The collapse caldera worldwide database

A useful tool for studying and understanding caldera processes

Caldera List

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Name Subregion Age Diameter (km) Rock suite Plate tectonic setting
Acigol Turkey5.3 and 7.1 Ma40.00-30.00Calc-alkaline - TholeiiteContinental collision
AcoculcoMexico0.24-1.7 Ma18.00-18.00Calc-alkaline intermediateChilean-type subduction
AetnaUS-Colorado33.9-34.26 Ma15.00-10.00Calc-alkaline intermediateBasin and Range
AfdemRed Sea & Ethiopia?0.00-0.00Alkaline intermediateContinental rift
AgraGreece?4.30-3.90
Agua de PauAzores15.03-15.33 ka7.00-4.00Peralkaline_calc-alkalineHotspot near or over an ocean ridge
Aguas Calientes IChile-C and Argentina-C17-18 Ma19.00-14.00Calc-alkaline intermediateChilean-type subduction
Aguas Calientes IIChile-C and Argentina-C10.3 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
AiraRyuku Islands and Kyushu25-29 ka23.00-17.00Calc-alkaline intermediateChilean-type subduction
Akademia NaukKamtchatka30 ka5.00-3.00Chilean-type subduction
AkaigawaHokkaido-Japan?8.00-8.00Calc-alkaline mafic
AkanHokkaido-Japan30-340 ka24.00-13.00Calc-alkaline intermediateChilean-type subduction
Alcedo VolcanoGalapagos Islands?7.40-6.10PeralkalineHotspot near or over an ocean ridge
AlicudiItaly?1.50-1.50Calc-alkaline - TholeiiteContinental back-arc rifting
AlicudiItaly55 ka1.20-1.20Calc-alkaline - TholeiiteContinental back-arc rifting
AlicudiItaly28 ka 0.90-0.90Calc-alkaline - TholeiiteContinental back-arc rifting
Allison CreekUS-Nevada35.30 Ma22.00-20.00Calc-alkaline intermediate
AlutoRed Sea & Ethiopia?8.00-8.00Alkaline intermediateContinental rift
AmatitlanGuatemala240 ka16.00-14.00Calc-alkaline intermediateChilean-type subduction
AmazcalaMexico6.6-7.3 Ma14.00-11.00Calc-alkaline intermediate
AmbrymNew Hebrides1.52-2.04 ka12.00-12.00Calc-alkaline mafic-felsicIsland arc collision
AmealcoMexico4.7 Ma11.00-11.00Calc-alkaline intermediateContinental rift
AniakchakAlaska Pennynsula3.4 ka9.50-9.50Calc-alkaline intermediateChilean-type subduction
AobaNew Hebrides?6.00-6.00Calc-alkaline mafic-felsicIsland arc collision
Aoga ShimaIzu- Mariana Island?30.00-15.00Oceanic back-arc rifting
Apoyo INicaragua26.6-29.4 ka6.50-6.50Calc-alkaline intermediateChilean-type subduction
Apoyo INicaragua25-28 ka6.50-6.50Calc-alkaline intermediateChilean-type subduction
AsavyoRed Sea & Ethiopia?8.00-8.00Alkaline intermediateContinental rift
AskjaIceland-N5 ka10.00-9.00PeralkalineHotspot near or over an ocean ridge
Aso IRyuku Islands and Kyushu270 ka0.00-0.00Calc-alkaline maficChilean-type subduction
Aso IIRyuku Islands and Kyushu140 ka0.00-0.00Calc-alkaline maficChilean-type subduction
Aso IIIRyuku Islands and Kyushu120 ka0.00-0.00Calc-alkaline maficChilean-type subduction
Aso IV Ryuku Islands and Kyushu90+-4 ka25.00-18.00Calc-alkaline maficChilean-type subduction
AsonoRyuku Islands and KyushuPliocene10.00-7.00Calc-alkaline intermediateChilean-type subduction
AtaRyuku Islands and Kyushu> 40 ka25.00-15.00Calc-alkaline maficChilean-type subduction
AtitlanGuatemala84 ka20.00-17.00Calc-alkaline intermediateChilean-type subduction
AwasaRed Sea & Ethiopia< 1 Ma?40.00-30.00Continental rift
AyarzaGuatemala23-28.8 ka6.00-4.00Calc-alkaline intermediate
BachelorUS-Colorado27.5 Ma25.00-30.00Calc-alkaline intermediateBasin and Range
Badger Mountain caldera (High Rock caldera complex)US-Nevada16.34 Ma40.00-30.00Calc-alkaline intermediateBasin and Range
Bahia DarwinGalapagos Islands1.54-1.87 Ma0.00-0.00Hotspot near or over an ocean ridge
Banda ApiBanda Sea?7.00-7.00PeralkalineMariana-type subduction
BardarbungaIceland-NFebruary 2015 AD11.00-8.00PeralkalineHotspot near or over an ocean ridge
BarvaCosta Rica322 ka10.00-10.00Chilean-type subduction
BasaseachicMexico28 Ma0.00-0.00Chilean-type subduction
BaturLesser Sunda Island22.5-23.7 ka14.00-10.00Calc-alkaline intermediate
Bayonnaise Izu- Mariana IslandQuaternary10.00-10.00Calc-alkaline intermediateMariana-type subduction
Bear Trap CanyonUS-New Mexico24.4 Ma13.00-10.50Calc-alkaline intermediateBasin and Range
BeliankinKamtchatka?0.00-0.00Chilean-type subduction
Beyda_õTurkey12.15-13.1 Ma 12.50-5.50Continental collision
Big Cottonwood Canyon (Nevada. USA)US-Nevada39.7 Ma15.00-15.00Calc-alkaline intermediate
Big John US-Nevada23 Ma10.00-6.00Calc-alkaline intermediateBasin and Range
Big Ten PeakUS-Nevada25.70 Ma25.00-25.00Calc-alkaline - Tholeiite
BirientiRed Sea & Ethiopia(0.32-0.17 Ma) Quaternary11.00-11.00Alkaline intermediateContinental rift
BlacktailUS-Idaho6.5-6.62 Ma100.00-60.00Calc-alkaline intermediateHotspot
Blind MountainUS-Utah29.1 Ma2.00-2.50Calc-alkaline - Tholeiite
Blue CreekUS-Idaho5.6 Ma35.00-30.00Calc-alkaline intermediateHotspot
BodrumGreece10.6-11.2 Ma18.70-7.70
Bola?osMexico?110.00-25.00Calc-alkaline intermediateChilean-type subduction
BolsenaItaly300 ka19.00-16.00Alkaline intermediate-felsic
Bolshoy SemyachikKamtchatka0.442-0.606 Ma10.00-10.00Chilean-type subduction
BonanzaUS-Colorado33.12-36 Ma20.00-25.00Calc-alkaline intermediateBasin and Range
Bora-Bericcio (Bericha)Red Sea & Ethiopia?0.00-0.00Alkaline intermediateContinental rift
BorovitsaItaly32.5 Ma34.00-15.00
Bracciano (Sabatini Volcanic District)Italy?0.00-0.00Continental back-arc rifting
BuckhornTexas36.7-38 Ma24.00-18.00Alkaline intermediateChilean-type subduction
Bulusan35-40 ka11.00-11.00Calc-alkaline intermediateIsland arc collision
Bur ni GeureudongSumatra?30.00-30.00Calc-alkaline intermediate-felsic
Bursum US-New Mexico29-28 Ma40.00-30.00Calc-alkaline intermediateBasin and Range
Buyan-BratanLesser Sunda Island?11.00-7.00Chilean-type subduction
Ca?as Dulce (Rinc?n de la Vieja)Costa Rica1.43 ± 0.09 Ma12.00-10.00Calc-alkaline intermediateChilean-type subduction
CaetanoUS-Nevada33.8 Ma20.00-9.00Calc-alkaline intermediateBasin and Range
CalabozosChile-C and Argentina-C?26.00-14.00Calc-alkaline intermediateChilean-type subduction
CaldeiraAzores_1ka 2.00-2.50Peralkaline_calc-alkalineHotspot near or over an ocean ridge
Caldera E Fish Creek (Unnamed) by Shoshone RangeUS-Nevada33.76 Ma0.00-0.00Calc-alkaline intermediateBasin and Range
CanyonMexico45 Ma0.00-0.00Calc-alkalineChilean-type subduction
CardakTurkey9.31- 9.43 Ma25.00-20.00Calc-alkaline - TholeiiteContinental collision
Cathedral RidgeUS-Nevada18.57 Ma12.00-12.00Calc-alkaline intermediate
Cebolla CreekUS-Colorado26.9 Ma20.00-25.00Calc-alkaline intermediateBasin and Range
CeborucoMexico0.67-1.12 ka3.70-3.70Calc-alkaline intermediateContinental rift
Cerro AzulGalapagos Islands?4.30-3.20PeralkalineHotspot near or over an ocean ridge
Cerro Gal?nChile-C and Argentina-C2.08-2.2 Ma35.00-20.00Calc-alkaline intermediateChilean-type subduction
Cerro PanizosChile-C and Argentina-C6.7-6.79 Ma15.00-15.00Calc-alkaline intermediateChilean-type subduction
ChaCape Verde Islands?8.00-8.00Alkaline mafic-felsicHotspot
ChacanaEcuadorPleistocene50.00-30.00Calc-alkaline intermediateChilean-type subduction
ChalupasEcuador211 ka0.00-0.00Calc-alkaline intermediateChilean-type subduction
Chana (Arussi)Red Sea & Ethiopia?0.00-0.00Alkaline intermediateContinental rift
Chang PeakAntartica2.0Ð1.1 Ma0.00-0.00
Chinati Mountains Caldera Texas32-33 Ma30.00-20.00Calc-alkaline felsicChilean-type subduction
ChirpoiKurile Islands?8.00-8.00Calc-alkaline intermediateChilean-type subduction
ChupaderosMexico31.5 Ma0.00-0.00Chilean-type subduction
Cinco PicosAzores>>23 ka7.00-9.00Peralkaline_calc-alkalineHotspot near or over an ocean ridge
Cinque DentiItaly45-55 Ka6.00-6.00Peralkaline_calc-alkalineContinental rift
Claim CanyonUS-Utah13.2 Ma0.00-0.00Calc-alkaline intermediateBasin and Range
Clear Water Bay High Island (Nested Caldera Complex Hong Kong)Taiwan141 Ma0.00-0.00
Clover CreekUS-Utah23.04 Ma0.00-0.00Calc-alkaline intermediate
CoatepequeEl Salvador10 ka10.00-7.00Calc-alkaline intermediateChilean-type subduction
Cobre RidgeUS-Arizona170 Ma50.00-25.00Calc-alkaline intermediateChilean-type subduction
Cochetopa ParkUS-Colorado26.9 Ma20.00-25.00Calc-alkaline intermediateBasin and Range
Coli Albani (Alban Hills) IIItaly60 ka0.00-0.00Alkaline intermediateContinental back-arc rifting
Colli Albani (Alban Hills) IItaly350 ka10.00-10.00Alkaline mafic-felsicContinental back-arc rifting
ComancheMexico30 Ma0.00-0.00Chilean-type subduction
CoombadjhaAustraliaLate Permian (256 - 248.2 Ma)0.00-0.00Calc-alkaline intermediate
CopahueChile-C and Argentina-C0.6-0.4Ma10.00-10.00Calc-alkaline intermediate-felsicChilean-type subduction
Copper CanyonMexico30 Ma0.00-0.00Chilean-type subduction
CoranzuliChile-C and Argentina-C6.8 ± 0.15 Ma0.00-0.00Chilean-type subduction
CoranzuliChile-C and Argentina-C6.6 ± 0.15 Ma0.00-0.00Chilean-type subduction
CoranzuliChile-C and Argentina-C6.45 ± 0.15 Ma0.00-0.00Chilean-type subduction
CorbettiRed Sea & Ethiopia0.44-0.56 Ma15.00-12.00Peralkaline_calc-alkalineContinental rift
Cordillera NevadaChile-C and Argentina-C100-200 ka9.00-9.00Calc-alkaline intermediateChilean-type subduction
CorutoBolivia and Chile-N6 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
Cottonwood Creek caldera (High Rock caldera complex)US-Nevada15.70 Ma28.00-24.00Calc-alkaline intermediateBasin and Range
Crater LakeUS-Oregon7.7 ka10.00-8.00Calc-alkaline intermediateChilean-type subduction
CreedeUS-Colorado26.87-26.9 Ma25.00-20.00Calc-alkaline intermediateBasin and Range
Crooked RiverUS-Oregon32-28 Ma41.00-27.00Hotspot
Crystal PeakUS-Utah35.26 M0.00-0.00Calc-alkaline intermediate
CuicochaEcuador3 ka3.20-3.20Chilean-type subduction
Dabbahu (Moina)Red Sea & Ethiopia?0.00-0.00Alkaline mafic-felsicContinental rift
DaisenHonshu-Japan44-47 ka0.00-0.00Calc-alkaline intermediate
DaisetsuHokkaido-Japan?30.00-20.00Calc-alkaline intermediateChilean-type subduction
DakatauaPapua/New Guinea-New Zealand1.15 ka13.00-10.00Calc-alkaline intermediateMariana-type subduction
Dalnaya PloskayaKamtchatka?5.60-5.60Chilean-type subduction
Dano (Banten)Sumatra?15.00-7.00Calc-alkaline intermediate
Darwin VolcanoGalapagos Islands?5.60-5.50PeralkalineHotspot near or over an ocean ridge
Deception IslandAntartica4-11.2 ka7.00-7.00Calc-alkaline felsicContinental back-arc rifting
DelamarUS-Utah18.51 Ma20.00-20.00Calc-alkaline intermediate
Dennison ForkAlaska-E and SE?0.00-0.00Calc-alkaline intermediateContinental back-arc rifting
Deriba Africa-N4 ka5.00-5.00Alkaline intermediate-felsic
Derinkuyu complex IGreece8.5 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
Derinkuyu complex IIGreece7.8 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
Derinkuyu complex IIIGreece3.9-4.7 Ma31.00-31.00Calc-alkaline intermediateChilean-type subduction
Derinkuyu complex IVGreece?0.00-0.00Calc-alkaline intermediateChilean-type subduction
DiamanteChile-C and Argentina-C462-478 ka20.00-15.00Calc-alkaline intermediateChilean-type subduction
Donguiny?Mexico5.0 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
DorobuHonshu-Japan5.59-1.79 ka13.00-6.00Calc-alkaline intermediateChilean-type subduction
DugunaRed Sea & Ethiopia?10.00-10.00Alkaline intermediateContinental rift
DushkaBulgaria30-32 Ma4.00-4.00
E. Molokai (Molokai)Hawaiian Islands> 1 Ma7.00-3.00Alkaline mafic-felsic
Eagle MountainsTexas37-36 Ma10.00-10.00Calc-alkaline felsicChilean-type subduction
Eastern Sawur complexWestern ChinaLate-Paleozoic9.00-4.00Island arc collision
El MorroChile-C and Argentina-C2.6 and 1.3 Ma0.00-0.00Chilean-type subduction
El SaltoMexico24 Ma0.00-0.00Chilean-type subduction
Elevenmile CanyonUS-Utah24-25 Ma20.00-20.00Calc-alkaline maficContinental rift
EmbagaiAfrica-E?0.00-0.00Calc-alkaline-alkaline or alkali-calcicContinental rift
Emi KoussiAfrica-N1.3-1.34 Ma14.00-14.00Peralkaline_calc-alkaline
Emmons LakeAlaska Pennynsula87-105 ka19.00-10.00Calc-alkaline intermediateChilean-type subduction
EmoryUS-New Mexico33 Ma55.00-25.00Calc-alkaline intermediateBasin and Range
EmuruangogolakAfrica-E38-27 Ka5.00-3.50Peralkaline_calc-alkalineContinental rift
ErebusAntartica11-26 ka6.00-6.00Alkaline intermediate
Erta AleRed Sea & Ethiopia?1.60-0.70Calc-alkaline-alkaline or alkali-calcicContinental rift
FantaleRed Sea & Ethiopia?4.00-3.00Peralkaline_calc-alkalineContinental rift
Fernandina VolcanoGalapagos Islands1968 AD6.50-4.00PeralkalineHotspot near or over an ocean ridge
First calderaTexas42 Ma1.50-1.00Alkaline intermediateChilean-type subduction
Fish CreekUS-Nevada28.201 Ma0.00-0.00Basin and Range
FisherAleutian Islands9.1-9.4 ka16.00-8.00Calc-alkaline intermediateChilean-type subduction
FrailesBolivia and Chile-N8 Ma3.00-3.00Chilean-type subduction
FurnasAzores12-13.28 ka7.00-6.00Peralkaline_calc-alkalineHotspot near or over an ocean ridge
GadamsaRed Sea & Ethiopia176-224 ka10.00-8.00Peralkaline_calc-alkalineContinental rift
GademotaRed Sea & Ethiopia0.2-0.3 Ma20.00-20.00Alkaline intermediateContinental rift
Gakkel Ridge Artic Ocean1.1 Ma0.00-0.00Ocean ridge
Gallego clusterMexico37.9 Ma25.00-25.00Chilean-type subduction
GallosueloPapua/New Guinea-New Zealand?13.00-10.50Calc-alkaline mafic
Gaua IslandNew Hebrides?8.00-8.00Island arc collision
GedongaurianSumatra?20.00-10.00
Geger HalangJava?5.50-4.00Calc-alkaline intermediateChilean-type subduction
GeminiCanada2735 Ma0.00-0.00Calc-alkaline intermediate
Giant CalderaArtic Ocean1.09 Ma80.00-40.00Ocean ridge
Gila Cliff DwellingsUS-New Mexico30-29 Ma20.00-20.00Calc-alkaline intermediateBasin and Range
GlencoeUK?0.00-0.00Calc-alkaline intermediate
Goblin KnobsUS-Nevada25.71 Ma27.00-27.00Calc-alkaline intermediate
GolovninKurile Islands37.5-43.5 ka7.00-6.00Calc-alkaline intermediateChilean-type subduction
Gorely KhrebetKamtchatka33-41 ka13.00-10.00Calc-alkaline intermediateChilean-type subduction
GrimsvotnIceland-S?0.00-0.00PeralkalineHotspot near or over an ocean ridge
Grizzly PeakUS-Colorado34 Ma17.00-15.00Calc-alkaline intermediateBasin and Range
GroppoRed Sea & Ethiopia?0.00-0.00Alkaline intermediateContinental rift
Guacha IBolivia and Chile-N5.65-6 Ma25.00-15.00Calc-alkaline intermediateChilean-type subduction
Guacha II Bolivia and Chile-N3.49 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
Guacha IIIBolivia and Chile-N1.70 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
Guachipel?nCosta Rica1.31-2.06 Ma15.00-15.00Calc-alkaline intermediateChilean-type subduction
Guayabo Costa Rica?11.00-11.00Calc-alkaline intermediate-felsicChilean-type subduction
Guilherme MonizAzores21-23 ka4.50-2.75Peralkaline_calc-alkalineHotspot near or over an ocean ridge
Hachijo Jima (HJ) Izu- Mariana Island?30.00-15.00Oceanic back-arc rifting
HafnarfjallIceland-W4.6 Ma7.50-5.00Hotspot near or over an ocean ridge
HakkodaHonshu-Japan2.1 Ma8.00-8.00Calc-alkaline intermediate-felsic
Hakone IHonshu-Japan190-290 ka12.00-8.00Calc-alkaline intermediateChilean-type subduction
Hakone IIHonshu-Japan65-45 ka7.00-5.00Calc-alkaline maficChilean-type subduction
Haleakala (East Maui)Hawaiian Islands?12.00-4.00
HamptonAntartica11.7Ð8.6 Ma6.00-6.00
Hanging Rock caldera (High Rock caldera complex)US-Nevada16 Ma30.00-25.00Calc-alkaline intermediate
HanneganUS-Washington3.72 Ma8.00-3.00Calc-alkaline intermediateChilean-type subduction
Hatchodaira Izu- Mariana Island2.5 ka1.50-1.50Triple plate junction
Haunted CanyonUS-ArizonaTertiary0.00-0.00Calc-alkaline intermediate
Heise caldera cycleUS-Idaho3.96 Ma0.00-0.00Calc-alkaline intermediateHotspot
Heise caldera cycleUS-Idaho5.51 Ma0.00-0.00Calc-alkaline intermediateHotspot
Heise caldera cycleUS-Idaho5.57 Ma0.00-0.00Hotspot
Heise caldera cycleUS-Idaho6.27 Ma 0.00-0.00Calc-alkaline intermediateHotspot
Henrys Fork (Yellowstone II)US-Idaho1.3 Ma19.00-16.00Calc-alkaline intermediateHotspot
Hidden Caldera (Unnamed)??Sumatra?10.00-10.00Chilean-type subduction
Hijiori. GassanHonshu-Japan8.705-14.995 ka2.50-2.50Calc-alkaline intermediateChilean-type subduction
HiwadaHonshu-Japan2.9 Ma18.50-8.50
Hiwada (Aizu Caldera Cluster)Honshu-Japan2.9 Ma0.00-0.00Calc-alkaline mafic
Hot CreekUS-Nevada29.97 Ma21.00-21.00Calc-alkaline intermediate
HuichapanMexico4.2 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
HulubeluSumatra?0.00-0.00Calc-alkaline mafic
Hunter MineCanada2728-2734 Ma0.00-0.00Calc-alkaline intermediateIsland arc collision
HutapanjangSumatra?18.00-10.00Calc-alkaline intermediateChilean-type subduction
IchinskyKamtchatka11.635-19.475 ka0.00-0.00Chilean-type subduction
IjenJava50 ka20.00-20.00Calc-alkaline intermediateChilean-type subduction
IkedaRyuku Islands and Kyushu32.56-41.44 ka5.00-4.00Calc-alkaline intermediate-felsicChilean-type subduction
Il PianoItaly100 ka2.50-2.50Oceanic back-arc rifting
IlopangoEl SalvadorA.D. 26011.00-8.00Calc-alkaline intermediateChilean-type subduction
In southern Monitor ValleyUS-Nevada27.14 Ma12.00-12.00Calc-alkaline intermediate
IncapilloChile-C and Argentina-C0.47-0.56 Ma6.00-5.00Calc-alkaline intermediateChilean-type subduction
Indian PeakUS-Utah30.06 Ma40.00-40.00Calc-alkaline - Tholeiite
InfiernitoTexas37 Ma6.60-5.00Calc-alkaline felsicChilean-type subduction
IriyamazawaHonshu-Japan7.1 Ma0.00-0.00Calc-alkaline mafic
Irosin41 cal ka BP11.00-11.00Mariana-type subduction
Ischia IItaly130 ka0.00-0.00
Ischia IIItaly75 ka0.00-0.00
Ischia IIIItaly53 ka10.00-7.00Alkaline intermediateContinental back-arc rifting
IshizukiRyuku Islands and KyushuTertiary (60.5 -1.8 Ma)8.00-7.00Calc-alkaline intermediateChilean-type subduction
Island Park (Yellowstone I)US-Wyoming2 Ma80.00-50.00Calc-alkaline intermediateHotspot
Iwo-JimaIzu- Mariana Island>2.6 ka9.00-9.00Mariana-type subduction
Izu-OshimaIzu- Mariana Island0.3-0.8 ka4.00-4.00Calc-alkaline mafic-felsicTriple plate junction
Job CanyonUS-Utah29-28 Ma0.00-0.00Calc-alkaline maficContinental rift
JokoUnknown subregion of Japan?0.00-0.00
JonoirisawaHonshu-Japan5.6 Ma12.50-4.50Calc-alkaline mafic
KaguyakAlaska Pennynsula5.6-6 ka3.00-2.50Calc-alkaline intermediateChilean-type subduction
KahoolaweHawaiian Islands> 1Ma5.00-4.00Alkaline mafic-felsic
Kakeya ISouthwest JapanEarly Miocene (23.8 - 16.4 Ma)11.00-11.00Calc-alkaline maficChilean-type subduction
Kakeya IISouthwest Japan?11.00-11.00Calc-alkaline intermediate-felsicChilean-type subduction
KakorinyaAfrica-E92-58 Ka3.75-3.00Peralkaline_calc-alkalineContinental rift
KakutoRyuku Islands and Kyushu96.8-123.2 ka15.00-10.00Calc-alkaline intermediateChilean-type subduction
KanatonAleutian Islands?5.50-5.50Calc-alkaline intermediateMariana-type subduction
Kane Spring WashUS-Utah14 Ma19.00-13.00TholeiiteContinental rift
Kapenga INew Zealand710-720 ka0.00-0.00Continental back-arc rifting
Kapenga IINew Zealand310-350 ka0.00-0.00Calc-alkaline intermediateContinental back-arc rifting
Kapenga IIINew Zealand275 ka0.00-0.00Continental back-arc rifting
Kari KariBolivia and Chile-N20 Ma36.00-18.00Chilean-type subduction
KarkarPapua/New Guinea-New Zealand9.75-10.65 ka5.50-5.50Peralkaline_alkalineIsland arc collision
KarthalaAfrica-E?4.00-3.00
KarymshinaKamtchatka1.2-1.87 Ma32.00-17.00Chilean-type subduction
KarymskyKamtchatka8.4-7.4 ka5.00-5.00Calc-alkaline intermediateChilean-type subduction
KatlaIceland-S?14.00-11.00PeralkalineHotspot near or over an ocean ridge
KatmaiAlaska PennynsulaA.D. 19124.00-3.00Calc-alkaline intermediateChilean-type subduction
KawichUS-Nevada22.93 Ma33.00-33.00Calc-alkaline intermediate
KetoiKurile IslandsPre-glacial5.00-5.00Calc-alkaline intermediateChilean-type subduction
KhangarKamtchatka0.397-0.411 Ma16.00-12.00Chilean-type subduction
Khangar IIKamtchatka39 ka6.00-6.00Chilean-type subduction
Khangar IIIKamtchatka6.9 ka3.00-3.50Chilean-type subduction
KhodutkaKamtchatka?0.00-0.00Chilean-type subduction
Kid CalderaAfrica-N813-619 Ma0.00-0.00
KikaiRyuku Islands and Kyushu6.3 ka20.00-17.00Calc-alkaline intermediateChilean-type subduction
KilaueaHawaiian Islands1.5 ka5.00-3.10Alkaline mafic-felsicHotspot
Kilgore US-Idaho4.3-4.52 Ma80.00-60.00Calc-alkaline intermediateHotspot
Kiln CanyonUS-Nevada27.13 Ma21.00-21.00Calc-alkaline intermediate
KixmillerUS-Utah30.00 Ma16.00-16.00Calc-alkaline intermediate
KnebelUnknown subregion of Alaska?0.00-0.00Calc-alkaline intermediate
Kone (Kone Embayment)Red Sea & Ethiopia?2.10-1.40Alkaline intermediateContinental rift
Kone (Main Collapse Area)Red Sea & Ethiopia(0.32-0.17 Ma) Quaternary6.00-5.00Alkaline intermediateContinental rift
Koolau (Oahu)Hawaiian Islands> 1.8 Ma16.00-13.00Alkaline mafic-felsic
Kõrka-Phrigian CalderaTurkey~19 Ma Rhyolite-1 18.5 to 19.0 Ma Rhyolite-2 18.58-18.83 Ma24.00-15.00Continental collision
Korneva RiverKamtchatka1.24-1.26 Ma0.00-0.00Chilean-type subduction
KorogluTurkey?18.00-13.00Calc-alkaline intermediateContinental collision
KraflaIceland-N<70 ka10.00-8.00PeralkalineHotspot near or over an ocean ridge
Krakatoa IA.D. 4168.00-8.00Calc-alkaline intermediateChilean-type subduction
Krakatoa IIA. D. 18838.00-8.00Calc-alkaline intermediateChilean-type subduction
KrasheninnikovKamtchatka37.5-42.5 ka11.00-9.00Calc-alkaline intermediateChilean-type subduction
Ksudach (KS1)Kamtchatka1.8 ka0.00-0.00Calc-alkaline intermediateChilean-type subduction
Ksudach (KS2)Kamtchatka6300-6000 BP0.00-0.00Chilean-type subduction
Ksudach (KS4)Kamtchatka8.8 ka0.00-0.00Chilean-type subduction
KulshanUS-Washington1.15 Ma8.00-4.50Calc-alkaline intermediateChilean-type subduction
Kumano IHonshu-JapanMiocene26.00-23.00Chilean-type subduction
Kumano IIHonshu-JapanMiocene21.00-15.00Chilean-type subduction
Kurile LakeKamtchatka7.6-8.4 ka7.00-12.00Calc-alkaline intermediateChilean-type subduction
KutcharoHokkaido-Japan32-40 ka26.00-20.00Calc-alkaline maficChilean-type subduction
KuttaraHokkaido-Japan36.2-44.8 ka0.00-0.00Calc-alkaline mafic
KuwaeNew Hebrides1452 A.D12.00-6.00Calc-alkaline intermediateIsland arc collision
KuzyuRyuku Islands and KyushuPliocene10.00-8.00Calc-alkaline intermediate-felsicChilean-type subduction
KverkfjollIceland-S?7.50-5.50PeralkalineHotspot near or over an ocean ridge
La FossaItaly80 ka to 15 ka4.00-4.00Oceanic back-arc rifting
La GaritaUS-Colorado27.8-28.02 Ma100.00-35.00Calc-alkaline intermediateBasin and Range
La PacanaBolivia and Chile-N4 Ma60.00-35.00Calc-alkaline intermediateChilean-type subduction
La PeligrosaChile-C and Argentina-C?0.00-0.00
La PeligrosaChile-C and Argentina-C153-188 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
La VecchiaItaly114 ka6.00-6.00Peralkaline_calc-alkalineContinental rift
Laguna0.9-2.3 Ma0.00-0.00Island arc collision
Laguna del MauleChile-C and Argentina-CPost-glacial10.00-10.00Calc-alkaline intermediateChilean-type subduction
Lake CityUS-Colorado23 Ma18.00-15.00Calc-alkaline intermediateBasin and Range
Lantau (Nested Caldera Complex Hong Kong)Taiwan148-146 Ma0.00-0.00Calc-alkaline intermediate
Las Canadas IIICanary Islands150 ka7.00-4.00Alkaline intermediateHotspot
Las LajasNicaragua?7.00-7.00Calc-alkaline mafic-felsicChilean-type subduction
Las VarasMexico33.3 Ma0.00-0.00Chilean-type subduction
LateraItaly0.27-0.16 Ma9.00-7.00Alkaline intermediateContinental back-arc rifting
Little Sitkin caldera one and twoAleutian Islands?5.00-5.00Calc-alkaline intermediateMariana-type subduction
Lobobuta. BadjawaLesser Sunda Island?7.50-7.50
Lolobau IslandPapua/New Guinea-New Zealand10.56-13.44 ka5.50-5.50Calc-alkaline intermediateMariana-type subduction
Long Harbour (Nested Caldera Complex Hong Kong)Taiwan143 Ma0.00-0.00
Long Island . Lake WisdowPapua/New Guinea-New Zealand16 ka12.50-10.00Calc-alkaline intermediateIsland arc collision
Long ValleyUS-California700-780 ka32.00-17.00Calc-alkaline intermediateBasin and Range
LongonotAfrica-E>8.16-13.56 ka1.80-1.80Peralkaline_calc-alkalineContinental rift
Los AzufresMexicoLate Miocene-Early Pliocene (11. 2 -3.6 Ma)0.00-0.00Calc-alkaline intermediateChilean-type subduction
Los HumerosMexico0.405-0.515 Ma21.00-15.00Calc-alkaline intermediateChilean-type subduction
Los PotrerosMexico120-60 Ka9.00-9.00Chilean-type subduction
Lost LakeUS-Colorado28.5 Ma10.00-10.00Calc-alkaline intermediateBasin and Range
LuingoChile-C and Argentina-C12.1-13.5 Ma19.00-13.00Calc-alkaline intermediateChilean-type subduction
Lunar LakeUS-Utah26-27 Ma0.00-0.00Calc-alkaline intermediate
Lvinaya PastKamtchatka12.3-13 ka9.00-7.00Calc-alkaline intermediateChilean-type subduction
MacusaniChile-C and Argentina-C8 Ma0.00-0.00Calc-alkaline intermediate
Mahogany MountainUS-Oregon15.5 Ma20.00-15.00Basin and Range
Main Eastern calderaTexas42 Ma1.50-1.50Alkaline intermediateChilean-type subduction
Main Western calderaTexas42 Ma1.50-1.00Alkaline intermediateChilean-type subduction
MajalcaMexico30 Ma0.00-0.00Calc-alkalineChilean-type subduction
MallahleRed Sea & Ethiopia?5.00-5.00Alkaline intermediateContinental rift
MalpasoMexico?0.00-0.00Calc-alkaline intermediateChilean-type subduction
Maly SemiachikKamtchatka10 ka7.00-6.00Calc-alkaline intermediateChilean-type subduction
Mangakino INew Zealand1 Ma20.00-20.00Continental back-arc rifting
Mangakino IINew Zealand1.01 Ma20.00-20.00Continental back-arc rifting
Mangakino IIINew Zealand1.01 Ma20.00-20.00Continental back-arc rifting
Mangakino IVNew Zealand1.18 Ma20.00-20.00Continental back-arc rifting
Mangakino VNew Zealand1.4 Ma20.00-20.00Continental back-arc rifting
ManinjauSumatra49-55 ka22.00-11.00Calc-alkaline intermediateChilean-type subduction
ManzanitaMexico30 Ma0.00-0.00Chilean-type subduction
MarchenaGalapagos Islands?6.00-4.00PeralkalineHotspot near or over an ocean ridge
Marshall CreekUS-Colorado33.9 Ma20.00-15.00Calc-alkaline intermediateBasin and Range
MasayaNicaragua1.550-1.60 Ma11.50-6.00Calc-alkaline mafic-felsicChilean-type subduction
MashuHokkaido-Japan10-7 ka7.50-5.50Calc-alkaline intermediate-felsicChilean-type subduction
Mauna LoaHawaiian Islands> 590 ka4.50-2.70Alkaline mafic-felsicHotspot
Mc Dermitt caldera complexUS-Nevada15.7 Ma45.00-35.00Tholeiite
McDermitt complexUS-Nevada15.7Ð16.1 Ma45.00-30.00
Medicine LakeUS-California0.21 Ma (?)7.00-12.00Calc-alkaline intermediate-felsicBasin and Range
MedvezhiiKurile IslandsPre-glacial8.00-8.00Calc-alkaline intermediateChilean-type subduction
MendeleevKurile Islands?6.00-6.00Calc-alkaline intermediateChilean-type subduction
MenengaiAfrica-E29 ka12.00-8.00Peralkaline_calc-alkalineContinental rift
MenengaiAfrica-E10 ka12.80-7.80Peralkaline_calc-alkalineContinental rift
MenesEgypt?8.00-8.00
MesotoposGreece?6.50-5.00
Middle ForkAlaska-E and SE70.0- 71.1 Ma20.00-10.00Calc-alkaline intermediate
MiravallesCosta Rica500 ka20.00-15.00Calc-alkaline intermediateChilean-type subduction
MisemaCanada2706-2696 Ma80.00-40.00Calc-alkaline intermediateIsland arc collision
MiyakejimaIzu- Mariana IslandA.D. 20001.60-1.60Triple plate junction
MogollonUS-New Mexico34 Ma?15.00-15.00Calc-alkaline intermediateBasin and Range
Mohawk RiverUS-Oregon32 Ma0.00-0.00Hotspot
Monotony ValleyUS-Nevada27.57 Ma78.00-78.00Calc-alkaline intermediate
Monroe PeakUS-Nevada23 Ma26.00-17.00Calc-alkaline intermediateBasin and Range
MontefiasconeItaly220Ð280 ka3.00-3.00Continental back-arc rifting
Mount AndrusAntartica14.7Ð10.0 Ma0.00-0.00
Mount BelknapUS-Oregon19 Ma17.00-13.00Calc-alkaline intermediateBasin and Range
Mount Berlin Berlin CraterAntartica< 30 ka1.20-1.20
Mount Berlin Merrem PeakAntartica2.7Ð0.1 Ma0.00-0.00
Mount CummingAntartica10.4Ð9.7 Ma0.00-0.00
Mount FrakesAntartica4.2Ð1.8 Ma2.30-2.30
Mount HopeUS-Colorado29 Ma15.00-15.00Calc-alkaline intermediateBasin and Range
Mount KosciuskoAntartica8.7-10.3 Ma0.00-0.00
Mount Moulton WestAntartica3.9Ð1.0 Ma4.70-4.70
Mount PrincetonUS-Colorado36.9 Ma30.00-15.00Calc-alkaline intermediateBasin and Range
Mount SidleyAntartica5.7Ð4.25 Ma4.00-4.00
Mount SipleAntartica2.0Ð0.0 Ma0.00-0.00
Mount SteereAntartica8.6Ð5.7 Ma0.00-0.00
MT. HudsonChile-S and Argentina-SPre-glacial9.00-9.00Calc-alkaline intermediateChilean-type subduction
Mt. WilsonUS-Utah28.96 Ma9.00-9.00Calc-alkaline intermediate
Mt. WithingtonUS-New Mexico27.4 Ma23.00-17.00Calc-alkaline intermediateBasin and Range
Mule CreekUS-New Mexico25-28.8 Ma10.00-10.00Calc-alkaline intermediateBasin and Range
MurgaBulgaria?10.00-7.00
MyojinshoIzu- Mariana Island?7.00-6.00Oceanic back-arc rifting
MyokoHonshu-Japan> 2ka0.00-0.00Calc-alkaline intermediate-felsic
NabroRed Sea & Ethiopia?8.00-8.00Alkaline intermediateContinental rift
NaheGermanyLower Permian (256 - 290 Ma)14.00-14.00Calc-alkaline mafic-intermediate
Nari CalderaKorea12 ka2.80-2.80Oceanic back-arc rifting
NariokaHonshu-Japan<1.5Ma10.50-5.50
Narioka (Aizu Caldera Cluster)Honshu-Japan1.1 Ma10.00-4.00Calc-alkaline mafic
NarugoHonshu-Japan837 A.C.7.00-5.50Calc-alkaline intermediateChilean-type subduction
Natibca. 70ka7.50-4.50Calc-alkaline mafic
Negra Muerta IChile-C and Argentina-C9 Ma0.00-0.00Calc-alkaline maficChilean-type subduction
Negra Muerta IIChile-C and Argentina-C7.6 Ma12.00-7.00Calc-alkaline intermediateChilean-type subduction
Nemo PeakKurile IslandsInter-glacial11.00-11.00Calc-alkaline intermediateChilean-type subduction
NemrutTurkey0.49-0.5 Ma8.50-7.00Alkaline maficContinental collision
Nevados de ChillanChile-C and Argentina-C?7.00-4.50Calc-alkaline intermediateChilean-type subduction
Nevsehir-Acig?l complex IGreece8.6-11.2 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
Nevsehir-Acig?l complex IIGreece7.2-8.0 Ma17.00-11.00Calc-alkaline intermediateChilean-type subduction
New SenatorCanada2076-2696 Ma35.00-14.00Calc-alkaline intermediateIsland arc collision
NewberryUS-OregonPleistocene (0.3-0.5 Ma)8.00-6.00Calc-alkaline mafic-intermediateBasin and Range
NgorongoroAfrica-E2.14 Ma16.00-16.00Calc-alkaline-alkaline or alkali-calcicContinental rift
NgoziAfrica-E9.68-12.32 ka3.00-3.00Calc-alkaline-alkaline or alkali-calcicContinental rift
NgurdotoAfrica-E?0.00-0.00Continental rift
NigorikawaHokkaido-Japan12 ka3.00-3.00Calc-alkaline maficChilean-type subduction
NindiriNicaragua?1.50-1.50Calc-alkaline mafic-felsicChilean-type subduction
NisyrosGreece110-24 Ka3.80-3.80Calc-alkaline intermediateContinental back-arc rifting
Nogal CanyonUS-New Mexico28.4 Ma17.00-12.00Calc-alkaline intermediateBasin and Range
NorandaCanada2700+-2 Ma20.00-15.00PeralkalineIsland arc collision
NormetalCanada2728 Ma0.00-0.00Calc-alkaline intermediateIsland arc collision
North Aoga Shima Caldera-NASCIzu- Mariana Island?30.00-15.00Oceanic back-arc rifting
North Bayonnaise Caldera-NBCIzu- Mariana Island?30.00-15.00Oceanic back-arc rifting
North PaganIzu- Mariana Island?6.00-5.00Calc-alkaline mafic-felsicMariana-type subduction
North PassUS-Colorado32.2 Ma17.00-15.00Calc-alkaline intermediateBasin and Range
NorthumberlandUS-Utah33 Ma0.00-0.00Calc-alkaline intermediate
NosichanKamtchatka3.9-4.14 Ma8.00-8.00Chilean-type subduction
NovaruptaAlaska PennynsulaA.D. 19123.00-2.00Calc-alkaline intermediateChilean-type subduction
NuevoMexico<33 Ma0.00-0.00Chilean-type subduction
NumazawaHonshu-Japan4.6 ka3.00-2.00Calc-alkaline intermediate
Nyamuragira Red Sea & Ethiopia?2.20-2.00Continental rift
Oasis ValleyUS-Utah?0.00-0.00Calc-alkaline felsicChilean-type subduction
OdnobokyKamtchatka0.0694 Ma6.00-4.00Chilean-type subduction
OhakuriNew Zealand0.24 Ma8.00-7.00Continental back-arc rifting
Okataina INew Zealand~557 ka0.00-0.00Calc-alkaline intermediateContinental back-arc rifting
Okataina IINew Zealand0.27-0.322 Ma0.00-0.00Calc-alkaline intermediateContinental back-arc rifting
Okataina IINew Zealand60-64 ka28.00-16.00Calc-alkaline intermediateContinental back-arc rifting
Okataina IIINew Zealand~33 ka0.00-0.00Calc-alkaline intermediateContinental back-arc rifting
OkmokAleutian Islands7.17-12 ka10.00-10.00Calc-alkaline intermediateChilean-type subduction
Old Masaya Nicaragua2.5 Ma0.00-0.00Calc-alkaline mafic-felsicChilean-type subduction
OlmotiAfrica-E?0.00-0.00Calc-alkaline-alkaline or alkali-calcicContinental rift
On-TakeHonshu-Japan70-90 ka5.00-4.00Calc-alkaline intermediateChilean-type subduction
OnikobeHonshu-Japan2.3 Ma10.00-10.00Calc-alkaline intermediateChilean-type subduction
OnoHonshu-Japan<1.5 Ma3.00-1.50
OpalaKamtchatka22 ka12.00-10.00Calc-alkaline intermediate-felsicChilean-type subduction
OpIVKamtchatka~40 ka15.00-13.00Chilean-type subduction
Ora CalderaItaly277Ð274 Ma42.00-40.00Calc-alkaline intermediate
OrafajokullIceland-S<700 ka5.00-4.00PeralkalineHotspot near or over an ocean ridge
OrganUS-New Mexico33-36.441 Ma16.00-16.00Calc-alkaline intermediateBasin and Range
Organ Mountains (3 collapse episodes)US-New Mexico36.215 ± 0.016 Ma0.00-0.00Calc-alkaline intermediate
Organ Mountains (3 collapse episodes)US-New Mexico36.259 ± 0.016 Ma0.00-0.00Calc-alkaline intermediate
OskjuvatnIceland-NA.D. 18754.50-4.50PeralkalineHotspot near or over an ocean ridge
OxayaChile-C and Argentina-C20 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
OymaRed Sea & Ethiopia?5.00-5.00Alkaline intermediateContinental rift
PairiqueChile-C and Argentina-C11.5 Ma8.00-8.00Calc-alkaline intermediateChilean-type subduction
Paisano PassTexas36 Ma5.00-5.00Calc-alkaline felsicChilean-type subduction
PakaAfrica-E11.375-17.735 ka1.50-1.50Calc-alkaline-alkaline or alkali-calcicContinental rift
Palawai (Lanai)Hawaiian Islands> 1 Ma6.00-5.00Alkaline mafic-felsic
PastoriasMexico33Ð35 Ma0.00-0.00Chilean-type subduction
Pastos GrandesBolivia and Chile-N8 Ma37.00-25.00Chilean-type subduction
Pastos GrandesChile-C and Argentina-C5.45 Ma 2.89 Ma60.00-35.00Calc-alkaline - TholeiiteChilean-type subduction
PauzhetkaKamtchatka0.443 Ma27.00-18.00Calc-alkaline intermediateChilean-type subduction
Pay?n Matr?Chile-C and Argentina-CQuaternary (oldest pre-caldera lava 700 ka)8.00-8.00Chilean-type subduction
Phlegrean Fields IItaly36 ka15.00-12.00Alkaline maficContinental back-arc rifting
Phlegrean Fields IIItaly12 ka0.00-0.00Alkaline intermediateContinental back-arc rifting
Phlegrean Fields IIIItaly4.3 ka15.00-12.00Alkaline intermediateContinental back-arc rifting
PicotaniChile-C and Argentina-C18 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
Pinatubo1991 AD2.50-2.50Island arc collision
Pine CanyonTexas33 Ma7.00-6.00TholeiiteChilean-type subduction
Piton de la FournaiseIndian O-W2 ka0.20-0.20Alkaline mafic-felsicHotspot near or over an ocean ridge
Piton de la Fournaise IIIndian O-WA.D. 20071.40-1.00Alkaline mafic-felsicHotspot near or over an ocean ridge
PlatoroUS-Colorado28.6 Ma22.00-18.00Calc-alkaline intermediate-felsicBasin and Range
Pleasant CalderaCanada365 Ma34.00-13.00
PoasCosta Rica<40 ka10.00-7.00Calc-alkaline mafic-felsicChilean-type subduction
Poco CanyonUS-Utah24-25 Ma0.00-0.00Calc-alkaline intermediateContinental rift
Poco leokLesser Sunda Island?6.75-6.00
PolovinkaKamtchatka0.432 Ma11.00-11.00Chilean-type subduction
Popocat?petl volcano (caldera-forming eruption)Mexico17 ka0.00-0.00Chilean-type subduction
PorcoChile-C and Argentina-C12 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
PrahuJava19.445-19.93 ka6.50-6.50Peralkaline_alkalineChilean-type subduction
PrizrakKamtchatka?0.00-0.00
PululahuaEcuador2.305-2.65 ka5.00-5.00Chilean-type subduction
QualibouWest Indies41-43 ka7.00-5.00Mariana-type subduction
QuestaUS-New Mexico25.1 Ma15.00-14.00Calc-alkalineBasin and Range
Quinn Canyon RangeUS-Nevada25-27 Ma24.00-24.00Calc-alkaline intermediate
Rabaul IPapua/New Guinea-New Zealand3.5 ka10.00-4.00Calc-alkaline mafic-intermediateTransform boundary
Rabaul IIPapua/New Guinea-New Zealand1.4 ka10.00-4.00Calc-alkaline mafic-intermediateTransform boundary
RamadasChile-C and Argentina-C8.75 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
Ramat Yotam Israel548 Ma0.00-0.00Calc-alkaline intermediate
RanauSumatra0.4-0.7 Ma20.00-16.00Calc-alkaline intermediateChilean-type subduction
RasshuaKurile IslandsPre-glacial6.00-6.00Chilean-type subduction
Rat CreekUS-Colorado26.91 Ma12.00-9.00Calc-alkaline intermediateBasin and Range
Red Hills US-Nevada19 Ma12.00-12.00Calc-alkaline intermediateBasin and Range
ReporoaNew Zealand245-235 ka13.00-11.00Calc-alkaline intermediate-felsicContinental back-arc rifting
Rincon de la ViejaCosta Rica?15.00-20.00Calc-alkaline intermediateChilean-type subduction
RoccamonfinaItaly362-408 ka7.00-5.00Alkaline intermediate
Rooster Comb CalderaUS-Oregon15.8 Ma25.00-20.00Basin and Range
RotoruaNew Zealand140-225 ka20.00-16.00Calc-alkaline intermediateContinental back-arc rifting
Rum IUKTertiary. 60.5 Ma0.00-0.00Calc-alkaline intermediate
Rum IIUK?0.00-0.00Calc-alkaline intermediate
Sa?ic? depocentreChile-C and Argentina-CLower Jurassic150.00-50.00Calc-alkaline - TholeiiteChilean-type subduction
Sacrofano-Baccano (Sabatini Volcanic District)Italy?0.00-0.00Continental back-arc rifting
Sai Kung (Nested Caldera Complex Hong Kong)Taiwan143 Ma0.00-0.00
SakugiUnknown subregion of Japan?0.00-0.00
SambeHonshu-Japan16 ka8.00-6.00Calc-alkaline intermediate
San CarlosMexico30 Ma32.00-25.00Calc-alkaline felsicBasin and Range
San JuanUS-Colorado28.3-28.5 Ma24.00-22.00Calc-alkaline intermediateBasin and Range
San JuanitoMexico36.5 Ma0.00-0.00Chilean-type subduction
San LuisUS-Colorado27 Ma18.00-18.00Calc-alkaline intermediateBasin and Range
San MarcosMexico46-43 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
Santa Barbara IAzores1-2 ka2.50-2.00Peralkaline_calc-alkalineHotspot near or over an ocean ridge
Santa Barbara IIAzores< 1-2 ka2.00-2.00Peralkaline_calc-alkalineHotspot near or over an ocean ridge
Santa Maria VolcanoGuatemala?0.00-0.00Chilean-type subduction
SantanaMexico29-28 Ma32.00-25.00Calc-alkaline felsicBasin and Range
SantiagoNicaragua1858-1959 d.C0.60-0.60Calc-alkaline mafic-felsicChilean-type subduction
Santo DomingoMexico31.5 Ma0.00-0.00Chilean-type subduction
Santorini IGreece184 ka0.00-0.00Continental back-arc rifting
Santorini II (Skaros Caldera)Greece172 Ka0.00-0.00Continental back-arc rifting
Santorini III (Skaros Caldera)Greece70 ka0.00-0.00Continental back-arc rifting
Santorini IVGreece21.8 Ka0.00-0.00Calc-alkaline to ShoshoniteContinental back-arc rifting
Santorini V (Minoan Eruption)Greece3.6 ka10.00-7.00Calc-alkaline intermediateContinental back-arc rifting
Sawmill-MagdalenaUS-New Mexico28.8 Ma0.00-0.00Basin and Range
Scottish HebridesUKTertiary (60.5 -1.8 Ma)0.00-0.00
Second calderaTexas42 Ma0.00-0.00Alkaline intermediateChilean-type subduction
Segara AnakLesser Sunda Island?5.00-5.00Calc-alkaline intermediate
SelbaieCanada2728 Ma0.00-0.00Calc-alkaline intermediate
SemisopochnoiAleutian Islands8.8-11.2 ka8.00-8.00Calc-alkaline intermediateMariana-type subduction
Sete CidadesAzores22-26 ka5.00-5.00Peralkaline_calc-alkalineHotspot near or over an ocean ridge
ShallaRed Sea & Ethiopia0.21-0.27 Ma17.00-17.00Alkaline intermediateContinental rift
Shikotsu IHokkaido-Japan32 ka17.00-15.00Calc-alkaline intermediateChilean-type subduction
Shikotsu IIHokkaido-Japan30 ka15.00-13.00Calc-alkaline intermediateChilean-type subduction
ShishimutaRyuku Islands and Kyushu1 Ma8.00-8.00Calc-alkaline maficChilean-type subduction
Sierra NegraGalapagos Islands?9.30-7.40PeralkalineHotspot near or over an ocean ridge
Sierra QuemadaTexas34 Ma6.00-6.00Alkaline intermediateChilean-type subduction
SigriGreece?14.00-10.00
SilaliAfrica-E52-74 ka7.50-5.00Peralkaline_calc-alkalineContinental rift
Silent CanyonUS-Utah13.7-12.9 Ma20.00-16.00TholeiiteContinental rift
Silver Creek US-Nevada18.78 Ma0.00-0.00Calc-alkaline intermediate
SilvertonUS-Colorado27.5 Ma20.00-20.00Calc-alkaline intermediateBasin and Range
SingkarakSumatra?21.00-8.00
SiwiNew Hebrides<20 ka9.00-4.00
Sixtymile ButteAlaska-E and SE92.1 Ma0.00-0.00Calc-alkaline intermediateContinental back-arc rifting
SkalohorionGreece?4.10-3.10
SnowdonUKOrdovician (439 - 500 Ma)11.00-14.00Calc-alkaline intermediate
SocorroUS-New Mexico32.1 Ma24.00-24.00Calc-alkaline intermediateBasin and Range
SoledadBolivia and Chile-N54 ka22.00-14.00Calc-alkaline intermediateChilean-type subduction
SollipulliChile-C and Argentina-C2.76-3.16 ka4.00-4.00Calc-alkaline intermediate-felsicChilean-type subduction
Somma-Vesuvius IItaly18 ka5.00-5.00Alkaline intermediateContinental back-arc rifting
Somma-Vesuvius IIItaly8 ka5.00-5.00Alkaline intermediateContinental back-arc rifting
Somma-Vesuvius IIIItaly3.4 ka5.00-5.00Alkaline intermediate-felsicContinental back-arc rifting
Somma-Vesuvius IVItaly79 AD5.00-5.00Alkaline intermediateContinental back-arc rifting
South RiverUS-Colorado27.38 Ma20.00-20.00Calc-alkaline intermediateBasin and Range
South SumisuIzu- Mariana Island?0.00-0.00Oceanic back-arc rifting
St. Andrew Strait. TulumanPapua/New Guinea-New Zealand?16.00-16.00Hotspot
Stena-SobolinyKamtchatka1.13 Ma20.00-10.00Chilean-type subduction
Stiavnica volcanoÐplutonic complexUnknown subregion of Alaska~13.1Ð12.7 Ma50.00-50.00Calc-alkaline - TholeiiteOceanic back-arc rifting
StipsiGreece?9.50-9.00
Stol Mt.Kamtchatka3.71 Ma0.00-0.00Chilean-type subduction
StrelÕtsovkaSoutheastern Russia142-170 Ma0.00-0.00
SturgeonCanada2733-2736 Ma0.00-0.00Calc-alkaline intermediate
SukariaLesser Sunda Island?0.00-0.00
SumisujimaIzu- Mariana Island30-60 ka8.00-9.00Oceanic back-arc rifting
SummitvilleUS-Colorado29.5 Ma12.00-8.00Calc-alkaline intermediateBasin and Range
SunagoharaHonshu-Japan<1.5Ma5.00-4.00
Sunda Java> 40 ka0.00-0.00Calc-alkaline intermediateChilean-type subduction
SuswaAfrica-E0.24 Ma12.00-8.00Peralkaline_calc-alkalineContinental rift
SuwohSumatra?13.00-8.00Calc-alkaline intermediateChilean-type subduction
Taal5.9-6.78 ka20.00-15.00Calc-alkaline intermediateIsland arc collision
TakagawaHonshu-Japan6.4 Ma18.00-9.50Calc-alkaline mafic
TakaheAntartica< 200 ka8.00-8.00
TamboraLesser Sunda IslandA.D. 18156.00-6.00Calc-alkaline intermediateChilean-type subduction
TanagaAleutian Islands?11.00-11.00Calc-alkaline intermediateMariana-type subduction
Tao-RusyrKurile Islands7.04 ka7.50-7.50Calc-alkaline intermediateChilean-type subduction
Tarso TierokoAfrica-N?8.00-8.00Peralkaline_calc-alkalineHotspot
Tarso ToonAfrica-N?12.00-12.00Peralkaline_calc-alkalineHotspot
Tarso Toussid? calderaAfrica-N?16.00-13.00
Tarso VoonAfrica-N?15.00-12.00Peralkaline_calc-alkalineHotspot
Tarso YegaAfrica-N?22.00-22.00Hotspot
Tateyama (Midagahara)Honshu-Japan66-84 ka0.00-0.00Calc-alkaline mafic
TatioChile-C and Argentina-C0.7 Ma 0.00-0.00Calc-alkaline intermediateChilean-type subduction
Taupo INew Zealand26.5 ka28.00-16.00Calc-alkaline intermediateContinental back-arc rifting
Taupo IINew Zealand1.8 ka0.00-0.00Calc-alkaline intermediateContinental back-arc rifting
TavuaFiji5 Ma7.00-5.50Alkaline mafic-felsic
TazawaHonshu-Japan?6.00-6.00Calc-alkaline intermediate
TekletunupKamtchatka5.54-5.86 Ma5.00-6.00Chilean-type subduction
Telegraph DrawUS-Utah18.57 Ma22.00-22.00Calc-alkaline intermediate
Tengger. NgadisariJava152 ka16.00-16.00Calc-alkaline intermediate-felsicChilean-type subduction
TepliceGermanyVariscan40.00-20.00Tholeiite
The BarrierAfrica-E80.96-103.04 ka6.00-5.00Peralkaline_calc-alkalineContinental rift
The Gouge EyeUS-Utah36.02 Ma0.00-0.00Calc-alkaline intermediate
Three Creeks US-Nevada27 Ma10.00-6.00Calc-alkaline intermediateBasin and Range
Three Fingers US-Oregon15.4 Ma16.00-13.00
Thule IslandAntartica?6.50-6.50
Tien-ChiKamtchatka0.8-0.9 ka5.00-5.00Calc-alkaline intermediateContinental back-arc rifting
TilzapotlaMexico34-35 Ma33.00-24.00Calc-alkaline intermediateChilean-type subduction
Timber MountainUS-Utah11.6 Ma30.00-25.00Calc-alkaline felsicContinental rift
Toba (Porsea caldera)Sumatra_840ka0.00-0.00Calc-alkaline intermediateChilean-type subduction
Toba IISumatra_501 ka0.00-0.00Calc-alkaline intermediateChilean-type subduction
Toba IIISumatra74 ka100.00-30.00Calc-alkaline intermediateChilean-type subduction
TofuaTongapost 1.000 years BP. AD 1030?5.00-5.00Calc-alkaline intermediateMariana-type subduction
Tokachi GrabenHokkaido-Japan?0.00-0.00Chilean-type subduction
TolbachickKamtchatka1976 AD0.00-0.00Chilean-type subduction
ToledoUS-New Mexico1.45-1.609 Ma0.00-0.00Calc-alkaline intermediateContinental rift
TomochicMexico32-40 Ma20.00-20.00Calc-alkaline intermediateChilean-type subduction
Tondano2.0. 1.3. and 0.1 Ma30.00-20.00Calc-alkaline intermediateMariana-type subduction
Toney MountainAntartica1.0Ð0.5 Ma3.00-2.00
TonohetsuriHonshu-Japan1.3 Ma0.00-0.00
Tonohetsuri (Aizu Caldera Cluster)Honshu-Japan1.3 Ma17.00-14.00Calc-alkaline mafic
TorfajokullIceland-S?18.00-13.00PeralkalineHotspot near or over an ocean ridge
TorishimaIzu- Mariana Island?0.00-0.00Oceanic back-arc rifting
ToussideAfrica-N?6.00-6.00Peralkaline_calc-alkalineHotspot
Towada I (Okuse)Honshu-Japan55 ka11.00-11.00Calc-alkaline intermediateChilean-type subduction
Towada II (Ofudo)Honshu-Japan30 ka11.00-11.00Calc-alkaline intermediateChilean-type subduction
Towada III (Hachinohe)Honshu-Japan9.68-17 ka11.00-11.00Calc-alkaline intermediateChilean-type subduction
Towada IVHonshu-Japan5.4 ka3.50-3.00Calc-alkaline intermediateChilean-type subduction
Tower MountainUS-Oregon32 Ma14.00-14.00Hotspot
ToyaHokkaido-Japan90-110 ka10.00-10.00Calc-alkaline intermediateChilean-type subduction
TulacingoMexico2.7-3 Ma32.00-32.00Calc-alkaline intermediateChilean-type subduction
Turkey CreekUS-Colorado26.9 Ma20.00-20.00Calc-alkaline felsicBasin and Range
Twin PeaksUS-Idaho45 Ma20.00-14.00Calc-alkaline intermediate
UgashikAlaska Pennynsula32-44.8 ka6.00-5.00Calc-alkaline intermediateChilean-type subduction
UksichanKamtchatka3.51-3.61 Ma12.00-13.00Calc-alkaline mafic-intermediateChilean-type subduction
Umboi (Talo)Papua/New Guinea-New Zealand?13.00-13.00
UnanaKamtchatka?0.00-0.00Chilean-type subduction
UncompahgreUS-Colorado28.5 Ma23.00-20.00Calc-alkaline intermediateBasin and Range
UnderdownUS-Nevada24.95 Ma14.00-14.00Calc-alkaline intermediate
UnnamedMexico30 Ma0.00-0.00Calc-alkalineChilean-type subduction
UnnamedWest Indies30 ka10.00-10.00Mariana-type subduction
UratmanKurile Islands?7.50-7.50Calc-alkaline intermediate-felsic
UsuHokkaido-Japan?0.00-0.00Calc-alkaline intermediateChilean-type subduction
Ute CreekUS-Colorado28.6-29 Ma29.00-29.00Calc-alkaline intermediateBasin and Range
UwaigusaHonshu-Japan4.1 Ma10.00-8.50
Uwaigusa (Aizu Caldera Cluster)Honshu-Japan4.1 Ma0.00-0.00Calc-alkaline mafic
Uzon-GeyzernayaKamtchatka?8.00-7.00Calc-alkaline intermediateChilean-type subduction
VallesUS-New Mexico1.12 Ma22.00-16.00Calc-alkaline intermediateContinental rift
Van Horn MountainsTexas<37 Ma4.00-4.00Calc-alkaline intermediateChilean-type subduction
Vandever MountainUS-CaliforniaLower Triassic (248.2 - 242.7 Ma)6.00-6.00Calc-alkaline intermediateChilean-type subduction
VatoussaGreece?7.20-5.50
VeniaminofAlaska Pennynsula2.97-5.29 ka10.00-10.00Calc-alkaline intermediateChilean-type subduction
VepeItaly?5.50-3.00Alkaline intermediate-felsic
Vetrovoy IsthmusKamtchatka20 ka? Oldest deposits < 45 ka6.00-0.00Chilean-type subduction
VicoItaly144-157 ka9.00-8.00Alkaline intermediate-felsicMariana-type subduction
Vicu?a PampaChile-C and Argentina-C25 Ma16.50-12.00Calc-alkaline intermediateChilean-type subduction
ViIlarrica IChile-S and Argentina-S100-170 ka0.00-0.00Calc-alkaline intermediate-felsicChilean-type subduction
ViIlarrica IIChile-S and Argentina-S13.99- 13.91 ka0.00-0.00Calc-alkaline intermediate-felsicChilean-type subduction
Vilama IBolivia and Chile-N10 Ma0.00-0.00Calc-alkaline maficChilean-type subduction
Vilama IIBolivia and Chile-N8.4-8.5 Ma37.50-16.50Calc-alkaline maficChilean-type subduction
VillarricaChile-C and Argentina-C13.8-14.1 ka9.00-6.00Calc-alkaline intermediate-felsicChilean-type subduction
Virgin Valley caldera (High Rock caldera complex)US-Nevada16.38 Ma34.00-24.00Calc-alkaline intermediateBasin and Range
WaescheAntartica1.0Ð0.1. 0.5 Ma1.60-1.25
Waihi BasinNew Zealand?25.00-10.00
WakamikoRyuku Islands and Kyushu>25 ka6.50-5.50Chilean-type subduction
West ForkAlaska-E and SE93.6 Ma0.00-0.00Calc-alkaline intermediateContinental back-arc rifting
Whakamaru INew Zealand325 ka45.00-27.00Calc-alkaline intermediateContinental back-arc rifting
Whakamaru IINew Zealand335 ka0.00-0.00Calc-alkaline intermediateContinental back-arc rifting
WhellwrightChile-C and Argentina-C9 Ma0.00-0.00Calc-alkaline intermediateChilean-type subduction
White RockUS-Utah29.20 Ma40.00-40.00Calc-alkaline - Tholeiite
Wildcat MountainUS-Oregon40 Ma16.00-11.00Hotspot
Williams RidgeUS-Nevada31.57 Ma46.00-46.00Calc-alkaline intermediate
WitoriPapua/New Guinea-New Zealand2.6 ka7.50-5.50Calc-alkaline intermediateMariana-type subduction
Wolf VolcanoGalapagos Islands?6.40-5.10PeralkalineHotspot near or over an ocean ridge
WrangellAlaska-E and SE1.72 ka6.00-4.00Calc-alkaline intermediateChilean-type subduction
XelaGuatemala84 ka and 12 Ma20.00-15.00Chilean-type subduction
YamakawaRyuku Islands and KyushuPleistocene2.00-1.80Calc-alkaline intermediate-felsic
YamanlarTurkeyMiocene 17.58 to 14.94 Ma. No age of caldera collapse8.50-5.50Continental collision
Yellowstone IIIUS-Wyoming0.528-0.672 Ma85.00-45.00Calc-alkaline intermediateHotspot
Yim Tin Tsai-Shing Mun (Nested Caldera Complex Hong Kong)Taiwan164-160 Ma0.00-0.00Calc-alkaline intermediate
ZavaritskyKurile Islands17.6-22.4 ka10.00-10.00Calc-alkaline intermediateChilean-type subduction
Zheleznodorozhny PlateauKamtchatka1.28-1.3 Ma0.00-0.00Chilean-type subduction
ZiminaKamtchatka?0.00-0.00Chilean-type subduction