List of volcanoes in the United States

A list of volcanoes in the United States and its territories.

Alaska
NameElevationLocationLast eruption
metersfeetCoordinates
Mount Adagdak645211551°59′16″N 176°35′30″W210,000 ± 5,000 years ago
Mount Akutan1303427554°8′4″N 165°59′10″W1996
Alagogshak1675549559°09′26″N 155°23′54″W43,000 ± 8,000 years ago
Amak Volcano488160155°25′26″N 163°8′57″W1796
Mount Amukta1066349752°30′0″N 171°15′8″W1997
Mount Aniakchak1341440056°53′0″N 158°10′0″W1931
Mount Augustine1252410859°21′48″N 153°26′0″W2005
Black Peak1032338556°33′11″N 158°47′12″W1900 BCE ± 150 years
Bogoslof Island15049253°56′0″N 168°2′0″W2017
Buldir Volcano656215252°21′0″N 175°54′38″WHolocene
Mount Bona500516,42161°23′6″N 141°45′3″W847
Mount Blackburn499616,39061°43′54″N 143°25′59″W3.4 million years ago
Buzzard Creek830272364°3′40″N 148°24′55″W1050 BC
Capital Mountain2356772862.43°N 144.10°W / 62.43; -144.10 (Capital)1.02 million years ago[1]
Mount Carlisle1620531552°53′38″N 170°3′15″W1987
Chagulak Island1142374752°34′36″N 171°8′0″WUnknown
Mount Chiginagak2221728757°8′6″N 156°59′24″W1998
Mount Cleveland1730567652°49′30″N 169°56′38″W2017[2]
Mount Dana1354444255°38′28″N 161°12′50″W1890 BC
Davidof Volcano328107651.9542°N 178.326°E / 51.9542; 178.326 (Davidof Volcano)Probably Holocene
Mount Denison2318760658°25′4″N 154°26′57″WProbably Holocene
Devils Desk1954640958.5°N 154.3°W / 58.5; -154.3 (Devils Desk)245,000 years ago
Double Glacier1239406560.68°N 152.62°W / 60.68; -152.62 (Double Glacier)Pleistocene
Mount Douglas2140702158°51′19″N 153°32′31″WProbably Holocene
Mount Dutton1506494155°10′5″N 162°16′18″WHolocene
Mount Edgecumbe970313257°3′0″N 135°45′0″W2220 BC ± 100 years
Mount Emmons1436471155°20′26″N 164°4′43″WMore than 10,000 years ago[3]
Espenberg66.35°N 164.33°W / 66.35; -164.33 (Espenberg)17,500 years BP
Mount Fisher1112364854°39′0″N 164°26′0″W1830
Fourpeaked2105690658°46′12″N 153°40′20″W2006
Frosty Peak Volcano1920629955.082°N 162.894°W / 55.082; -162.894 (Cold Bay Volcano)Late Pleistocene or later
Gareloi Volcano1573516151°47′25″N 178°47′38″W1989
Mount Gilbert818268454.2521°N 165.662°W / 54.2521; -165.662 (Mount Gilbert)Unknown, fumaroles until 1948[4]
Great Sitkin1740570952°4′34″N 176°7′48″W1974
Mount Gordon2755903962°8′0″N 143°5′0″WHolocene
Mount Griggs2317760258°21′14″N 155°5′30″W1790 BC ± 40 years
Hayes Volcano3034995461°38′25″N 152°24′41″W1200 ± 300 years
Mount Herbert1280419952°44′32″N 170°6′38″WUnknown
Mount Iliamna305310,01660°1′55″N 153°5′25″W1876
Imuruk Lake610200165°36′0″N 163°55′0″W300
Ingakslugwat Hills19062361°26′0″N 164°28′0″WHolocene
Isanotski Peaks2446802554°45′54″N 163°43′21″WUnknown
Kagamil Island893293052°58′25″N 169°43′0″W1929
Mount Kaguyak901295658°36′30″N 154°1′40″W1650 BC
Mount Kanaga1307428851°55′22″N 177°10′4″W1995
Kasatochi Island314103052°10′39″N 175°30′30″W2008
Mount Katmai2047671658°16′47″N 154°57′48″W1912
Mount Kialagvik1677550257°12′10″N 156°44′43″WHolocene[5]
Kiska Volcano1220400352.1031°N 177.6035°E / 52.1031; 177.6035 (Mount Kiska)1990
Koniuji Island27389652°13′0″N 175°8′0″W1150 BC
Korovin Volcano1533502952°22′54″N 174°9′57″W2006
Mount Kukak2043670358°27′10″N 154°21′18″WHolocene[6]
Mount Kupreanof1895621756°0′40″N 159°47′50″W1987
Kookooligit Mountains673220863°36′0″N 170°26′0″WHolocene
Little Sitkin1174385251°57′0″N 178°32′35″W1830
Mount Mageik2165710358°11′41″N 155°15′10″W500 BC ± 50 years
Mount Makushin1800590553°53′27″N 165°55′22″W1995
Mount Martin1863611258°10′20″N 155°21′40″W1953
Mount Moffett1196392451°56′38″N 176°44′48″W1600 BC
Novarupta841275958°16′0″N 155°9′24″W1912
Nunivak Island511167660°1′0″N 166°20′0″W300,000 years ago
Mount Okmok1073352053°26′0″N 168°8′0″W2008
St. Michael volcanic field715234663°27′0″N 162°7′0″WMore recent than 500 BC
Saint Paul Island20366657°11′0″N 170°18′0″W1280 BC ± 40 years
Mount Pavlof2519826455°25′0″N 161°53′15″W2016[7]
Pavlof Sister2142702755°27′10″N 161°50′35″W1786
Pogromni2002656954.57°N 164.85°W / 54.57; -164.85 (Pogromni)Late Pleistocene[8]
Pyre Peak1054345852°18′55″N 172°35′30″W1993
Mount Recheschnoi1984650953°9′24″N 168°32′20″W3,000 years ago
Mount Redoubt310810,19760°29′7″N 152°44′31″W2009
Roundtop Mountain1871613854°48′0″N 163°35′20″W9,100-10,000 years ago[9]
Mount Sanford494916,23762°13′0″N 144°8′0″W320,000 years ago
Mount Segula1160380652°0′55″N 178°8′8″WA few hundred years ago
Semisopochnoi Island1221400651°56′0″N 179°35′0″W1987
Mount Sergief560183752°2′0″N 174°56′0″WPleistocene[10]
Mount Shishaldin2857937354°45′20″N 163°58′0″W2004
Snowy Mountain2162709358°20′8″N 154°40′55″W1710 ± 200 years
Mount Spurr337411,06961°17′58″N 152°15′4″W1992
St. Michael volcanic field715234663°27′0″N 162°7′0″WWithin 3,000 years
St. Paul Island20366657°11′0″N 170°18′0″W1280 BC ± 40 years
Mount Steller2272745458°26′0″N 154°24′0″WProbably Holocene
Stepovak Bay 31555510255°56′0″N 160°0′0″WProbably Pleiocene
Table Top-Wide Bay792259853°58′5″N 166°40′38″WHolocene[11]
Mount Takawangha1449475451°52′22″N 178°0′20″WLast few hundred years[12]
Tana (Volcano)1170383952°49′48″N 169°16′12″WMid-late Holocene[13]
Mount Tanaga1806592551°53′6″N 178°8′45″W1914
Tlevak Strait-Suemez Island5016455°15′0″N 133°18′0″WHolocene/Post-glacial[14]
Trident Volcano1864611558°14′8″N 155°6′0″W1975
Ugashik-Peulik1474483657°45′3″N 156°22′5″W1814
Ukinrek Maars9129957°49′54″N 156°30′35″W1977
Uliaga Island888291353°3′54″N 169°46′0″WHolocene
Mount Veniaminof2507822556°10′0″N 159°23′0″W2006
Mount Vsevidof2149705053°7′48″N 168°41′35″W1957
Mount Westdahl1654542654°31′6″N 164°39′0″W1992
Yantarni Volcano1345441357°1′17″N 157°11′6″W800 BC ± 500 years
Yunaska Island550180452°38′34″N 170°37′43″W1937
Prindle Volcano--63.72°N 141.62°W / 63.72; -141.62 (Prindle Volcano)Pleistocene
Mount Churchill476615,63261.25°N 141.7°W / 61.25; -141.7 (Mount Churchill)700 ± 200 years
Mount Drum366112,01062.1°N 144.5°W / 62.1; -144.5 (Mount Drum)About 250,000 years ago[15]
Mount Jarvis409113,42262°1′4″N 143°37′2″W1 million years ago
Mount Wrangell431714,16362.00°N 144.02°W / 62.00; -144.02 (Mount Wrangell)1999

American Samoa
NameElevationLocationLast eruption
metersfeetCoordinates
MalumaluLast 8,000 years
Ta‘u-931305414.23°S 169.454°W / -14.23; -169.454 (Ta‘u-)30,000 years ago[16]
Ofu-Olosega639209614.175°S 169.618°W / -14.175; -169.618 (Ofu-Olosega)1866
Tutuila653214214.295°S 170.70°W / -14.295; -170.70 (Tutuila)Holocene[17]
Vailulu'u-592-184214.295°S 170.70°W / -14.295; -170.70 (Vailulu'u)2003

Arizona
NameElevationLocationLast eruption
metersfeetCoordinates
Arlington Cone - - 33°20'55.6"N 112°44'54.2"W -
Black Bottom Crater--35°23′54.02″N 111°23′42.55″W-
Colton Crater2,2467,36835°32′42″N 111°38′13.2″W-
Double Crater2,4267,95935°20′34.03″N 111°26′51.55″W-
Lenox Crater--35°21′35.999″N 111°31′47.62″W-
Maroon Crater--35°26′32.02″N 111°28′12.56″W-
Merriam Cone2,0776,81335°18′N 111°18′W150,000 years ago
Mount Baldy3,48011,42033°54′22″N 109°33′46″W8-9 million years ago
Mount Elden2,8349,29935°14′28″N 111°35′48″W250,000 years ago
Red Mountain24287965-740,000 years ago
Roden Crater--35°25′37.02″N 111°15′27.76″W400,000 years ago
San Francisco Peaks385112,63335°20′47″N 111°40′40″W92,000 years ago[18]
San Francisco volcanic field--35°21′51″N 111°30′11″W1075 AD ± 25 years
Sheba Sister Craters----
SP Crater2141702135°34′56″N 111°37′55″W71,000 years ago
Stewart Crater--35°21′39.6″N 111°24′14.4″W-
Strawberry Crater1,9896,52635°26′32.02″N 111°28′12.6″WLate Pleistocene
Sunset Crater (San Francisco volcanic field)2447802635°21′51″N 111°30′11″W1075 AD ± 25 years
Uinkaret volcanic field--36°13′7.93″N 113°4′38.74″W1100 AD ± 75 years

California
NameElevationLocationLast eruption
metersfeetCoordinates
Amboy Crater30098434°32′38″N 115°47′28″W79,000 ± 5,000 years ago
Big Cave1259413140.955°N 121.365°W / 40.955; -121.365 (Big Cave)38,000 ± 7,000 years ago
Big Pine volcanic field37°00′N 118°15′W17,000 years ago
Black Butte1939636241.367°N 121.348°W / 41.367; -121.348 (Black Butte)9,500 years ago
Brushy Butte1174385241.178°N 121.443°W / 41.178; -121.443 (Brushy Butte)12,000 years ago
Burney Mountain2397786340.81°N 121.63°W / 40.81; -121.63 (Burney Mountain)280,000 ± 6,000 years ago[19]
Cima volcanic field1509692535.25°N 115.75°W / 35.25; -115.75 (Cima Volcanic Field)15,000 ± 5,000 years ago
Cinder Cone and the Fantastic Lava Beds2105690740.55°N 121.32°W / 40.55; -121.321666
Inyo Craters2629862537.692°N 119.02°W / 37.692; -119.02 (Inyo Craters)1380 AD ± 50 years
Mount Konocti (Clear Lake Volcanic Field)1312430538.97°N 122.77°W / 38.97; -122.77 (California Coast Range)11,000 years ago
Lassen Peak318910,46240°29′17″N 121°30′18″W1917
Lassen Volcanic Center--40°29′30″N 121°30′30″W1917
Long Valley Caldera339011,12237.6°N 118.8°W / 37.6; -118.8 (Long Valley Caldera)50,000 years ago
Malapai Hill1304427833.9°N 116.0°W / 33.9; -116.0 (Malapi Hill)15.93 ± 0.08 million years ago
Mammoth Mountain337111,05937.63°N 119.03°W / 37.63; -119.03 (Mammoth Mountain)1260 AD ± 40 years
Medicine Lake Volcano2412791341.36°N 121.33°W / 41.36; -121.33 (Medicine Lake Volcano)1060 AD
Mono Craters2,7969,17337.88°N 119.00°W / 37.88; -119.00 (Mono Craters)1350 AD ± 20 years
Pinnacles--36.487°N 121.167°W / 36.487; -121.167 (Pinnacles)23 million years ago
Pipkin34°41′12″N 116°37′12″W770,000 ± 40,000 years ago
Pisgah Crater7742,53934°44′47″N 116°22′30″W18,000 ± 5,000 years ago
Red Cones2,7489,01537.85°N 122.19°W / 37.85; -122.19 (Red Cones)8,500 years ago
Round Top5381,76437.58°N 119.05°W / 37.58; -119.05 (Round Top)10 Million Years Ago[20]
Mount Saint Helena1,3234,34238.67°N 122.63°W / 38.67; -122.63 (Clear Lake Volcanic Field)3.4 million years ago
Mount Shasta4,31714,16241.409°N 122.193°W / 41.409; -122.193 (Mount Shasta)1786
Sutter Buttes6502,13039°12′20.61″N 121°49′12.9″W1.5 million years ago
Tumble Buttes2,1917,18840.68°N 121.55°W / 40.68; -121.55 (Tumble Buttes)10,000 – 15,000 years ago[21]
Twin Buttes1631535140.78°N 121.60°W / 40.78; -121.60 (Twin Buttes)10,000 to 15,000 years ago
Ubehebe Craters752246737.02°N 117.45°W / 37.02; -117.45 (Ubehebe Craters)150 BC

Colorado
NameElevationLocationLast eruption
metersfeetCoordinates
Dotsero2,2307,31639°39′40″N 107°03′22″W2200 BC ± 300 years
La Garita Caldera4,27414,02237°43′36″N 106°46′28″W26.3 Ma
Never Summer Mountains3,94612,94540°28′10″N 105°53′42″W24 to 29 million years ago
Summer Coon--37°46′51″N 106°22′09″W24 to 34 million years ago

Hawaii
Further information: Evolution of Hawaiian volcanoes and List of volcanoes in the Hawaiian – Emperor seamount chain
NameElevationLocationLast eruption
metersfeetCoordinates
Diamond Head23276121°15′35″N 157°48′42″W400,000 to 500,000 years ago
Haleakalā or East Maui Volcano305510,02320.71°N 156.25°W / 20.71; -156.25 (Haleakala)1750
Hanauma Bay (Koko Head)19664221°16′17″N 157°41′40″W10,000 - 32,000 years ago
Hualalai2521827019.69°N 155.87°W / 19.69; -155.87 (Hualalai)1801
Kaʻau Crater4621,51621°19′43″N 157°46′21″W-
Kaʻena Point--21°34′31″N 158°16′57″WPleistocene Epoch
Kahoolawe450147520.6°N 156.6°W / 20.6; -156.6 (Kahoolawe)1 million years ago
Kauhakō Crater15049021°11′16″N 156°57′58″W230,000-300,000 years ago
Kawaikini1,5985,24322°03′24″N 159°29′48″W4 million years ago
Kilauea1247409119.452°N 155.292°W / 19.452; -155.292 (Kilauea)2020(ongoing)
Kohala (mountain)1670548020°5′10″N 155°43′2″W120,000 years ago
Koko Guyot--35°15′N 171°35′E50 million years ago
Koko Crater368120721.261585°N 157.702949°W / 21.261585; -157.702949 (Koko Head)10,000 years ago
Koʻolau Range941314921.37°N 157.80°W / 21.37; -157.80 (Koolau)40,000 years ago
Lanai1,0263,36620°50′N 156°56′W1.2 million years ago
Loihi Seamount-975-319918.92°N 155.25°W / 18.92; -155.25 (Loihi Seamount)1996
Mahukona--20.1°N 156.1°W / 20.1; -156.1 (Mahukona)About 470,000 years ago
Mauna Kea420813,79619.8°N 155.5°W / 19.8; -155.5 (Mauna Kea)2460 BC ± 100 years
Mauna Loa416913,67919.5°N 155.6°W / 19.5; -155.6 (Mauna Loa)1984
Mount Waialeale1,5445,06622°04′26″N 159°29′55″W-
Puʻu Hawaiʻiloa10333721°26′53″N 157°45′24″W-
Punchbowl Crater--21°18′45″N 157°50′46″W400,000 to 500,000 years ago
Ulupaʻu Crater20165921°27′16″N 157°43′54″W-
Waianae Range13424,02521°30′25″N 158°08′34″W2.6 million years ago
West Maui Volcano1,7645,78820°53′37″N 156°35′22″W320,000 years ago

Idaho
NameElevationLocationLast eruption
metersfeetCoordinates
Big Southern Butte2298754043.24°N 113.01°W / 43.24; -113.01 (Big Southern Butte)300,000 years ago
Blue Creek----
Craters of the Moon2005657843.42°N 113.50°W / 43.42; -113.50 (Craters of the Moon)130 BC ± 50 years
Henry's Fork Caldera2805920344.33°N 111.33°W / 44.33; -111.331.3 million years ago
Island Park Caldera2805920344.33°N 111.33°W / 44.33; -111.33 (Island Park Caldera)2.1 million years ago
Juniper Buttes1905625044.20°N 111.53°W / 44.20; -111.53 (Juniper Buttes)-
Menan Buttes1713561943.60°N 111.5°W / 43.60; -111.5 (Menan Buttes)10,000 years ago
Split Butte--44.25°N 111.73°W / 44.25; -111.73-
The Great Rift----
Twin Peaks----

Illinois
NameElevationLocationLast eruption
metersfeetCoordinates
Hicks Dome[22]20366637.53°N 88.37°W / 37.53; -88.37400-345 million years ago

Louisiana
NameElevationLocationLast eruption
metersfeetCoordinates
Door Point Volcano-2200-7200-74-90 million years ago

Michigan
NameElevationLocationLast eruption
metersfeetCoordinates
Porcupine Mountains Central-Volcano5951,95846°46′52″N 89°40′51″W1.093 billion years ago[23]

Mississippi
NameElevationLocationLast eruption
metersfeetCoordinates
Jackson Volcano-880 (from surface)-290032°18′0″N 90°10′19″W65 million years ago
Midnight Volcano-1110 (from surface)-364133.04904°N 90.573494°W / 33.04904; -90.57349466 million years ago

Missouri
NameElevationLocationLast eruption
metersfeetCoordinates
Taum Sauk Caldera540177237.5288°N 90.7862°W / 37.5288; -90.7862 (Taum Sauk Caldera)1.485 billion years ago

Nevada
NameElevationLocationLast eruption
metersfeetCoordinates
Cottonwood Caldera---15.70 million years ago
Crater Flat (Southwest Nevada Volcanic Field)--36°47′N 116°34′W80,000 years ago
Indian Peak-Caliente Caldera Complex--38°00′00″N 114°00′00″W18 million years ago
Jessup area--39°56′N 118°52′WJurassic
Lunar Crater volcanic field--38°N 116°W38,100 ± 10,000 years ago
McDermitt Caldera2078681642°00′05″N 117°59′48″W16.39 ± 0.02 million years ago
Steamboat Springs1415464239.375°N 119.72°W / 39.375; -119.72 (Steamboat Springs)1.14 million years ago
Soda Lakes1251410439°53′N 119°27′WHolocene
Virgin Valley Caldera---16.38 million years ago
Yucca Mountain2044670736°56′N 116°29′W80,000 years ago

New Hampshire
NameElevationLocationLast eruption
metersfeetCoordinates
Pawtuckaway Mountains--43°06′39″N 71°11′11″WCretaceous
Ossipee Mountains--43°44′37″N 71°16′26″WCretaceous

New Jersey
NameElevationLocationLast eruption
metersfeetCoordinates
Rutan Hill3101,02041°14′43″N 74°40′35″WOrdovician

New Mexico
NameElevationLocationLast eruption
metersfeetCoordinates
Albuquerque volcanic field1,8406,03035°8′29″N 106°46′19″W70,000-170,000 years ago
Capulin Volcano2,4948,18236°47′20″N 103°57′42″W58,000–52,000 years ago
Carrizozo Malpais1,7315,67933°47′N 105°56′W3,250 BC ± 500 years ago
Cerros del Rio6642,17835°42′N 106°12′W2.2 million years ago
Jemez Mountains3,525-35°53′N 106°32′W60,000-50,000 years ago
Jornada del Muerto Volcano1,5655,13633°32′N 106°52′W760,000 years ago
Kilbourne Hole1,5554,24031°58′N 106°58′W80,000 years ago
Mount Taylor2,44511,30035°14′19″N 107°36′30″W1,500,000 years ago
Shiprock2,1887,17736°41′15″N 108°50′10″W27 million years ago
Sierra Blanca3,65211,98133°22′27″N 105°48′31″W26 million years ago
Valles Caldera3,43011,25335°52′N 106°34′W50,000 to 60,000 years ago
Zuni-Bandera volcanic field2,5508,36634°48′N 108°00′W1,170 BC ± 300 years

Northern Mariana Islands
Major volcanoes of the Mariana Islands
NameElevationLocationLast eruption
metersfeetCoordinates
Agrigan965316518.8°N 145.7°E / 18.8; 145.7 (Agrigan)-
Ahyi Seamount-137-44920.42°N 145.03°E / 20.42; 145.03 (Ahyi)2001
Alamagan744244117.60°N 145.83°E / 17.60; 145.83 (Dante Rodondi)1887
Anatahan788259216.35°N 145.67°E / 16.35; 145.67 (Veronica Rodondi)2006
Asuncion Island857281019.7°N 145.4°E / 19.7; 145.4 (Asuncion)-
East Diamante-127-41715.93°N 145.67°E / 15.93; 145.67 (East Diamante)Unknown
Esmeralda Bank-43-14115.00°N 145.25°E / 15.00; 145.25 (Ashley Rodondi)-
Farallon de Pajaros3601,18020.5°N 144.9°E / 20.5; 144.9 (Farallon de Pajaros)1967
Guguan28794217.32°N 145.83°E / 17.32; 145.83 (Guguan)1883
Maug Islands22774520.02°N 145.22°E / 20.02; 145.22 (Maug Islands)Pleistocene
Mount Tapochau474155415.19°N 145.74°E / 15.19; 145.74-
Northwest Rota-1-517-169614.601°N 144.775°E / 14.601; 144.775 (Northwest Rota-1)2004
Pagan Island570187018.10°N 145.76°E / 18.10; 145.76 (Pagan Island)1993
Mount Rodondi Island
Sarigan538176516.708°N 145.78°E / 16.708; 145.78 (Sarigan)-
Supply Reef-8-2620.13°N 145.10°E / 20.13; 145.10 (Supply Reef)1989

Oregon
NameElevationLocationLast eruption
metersfeetCoordinates
Mount Bachelor2,7639,06443°58′45.90″N 121°41′18.63″W5800 BC ± 750 years
Bald Mountain Caldera--43°25′N 121°25′W3.4 to 4.6 million years ago
Mount Bailey2,5518,36843°9′18.52″N 122°13′11.98″W11,000 to 100,000 years ago
Belknap Crater2,0956,87344°17′05.80″N 121°50′32.04″W480 AD
Black Butte1,9626,43644°23′59.0″N 121°38′07.7″WAbout 1,430,000 years ago
Blue Lake Crater1,2304,03544°24′40″N 121°46′26″W680 AD ± 200 years
Broken Top2,8009,18544°04′58″N 121°41′59″WAbout 100,000 years ago
Brown Mountain--42°22′N 122°16′W12,000 to 60,000 years ago
Cinnamon Butte1956641743°14′28″N 122°06′29″W4855 BC to 9,000 BC
Columbia River Basalt Group---6.0 million years ago
Crater Lake (Mount Mazama)2,4878,15942°56′N 122°07′W2850 BC
Crooked River caldera--44°18′N 120°54′W29.5 million years ago
Diamond Craters1,4504,75043°06′N 118°42′W5610 BC ± 470 years
Diamond Peak2,6658,74443°31′14.5″N 122°08′58.5″W11,000 to 100,000 years ago
Fort Rock1,7165,62843°22′27″N 121°04′08″W13,500 to 18,000 years ago
Gorda Ridge-3,000-9,84242°40′N 126°47′W1996
Gray Butte--44°30′N 121°18′W29.5 million years ago
Mount Hood3,42611,23745°22′24.65″N 121°41′45.31″W1866 [24]
Jackies Butte1,4184,65242°36′22″N 117°35′20″WHolocene
Mount Jefferson319910,49244°42′N 121°48′W950 AD
Jordan Craters1400460043°08′49″N 117°27′36″W1250 BC or later
Maiden Peak2,3807,81043°37′37″N 121°57′50″WPleistocene
McDermitt Caldera2,0786,816-16.39 ± 0.02 million years ago
Mahogany Mountain--43°14′06″N 117°15′21″W15.5 million years ago
Mount McLoughlin2,8949,49242°26′40.10″N 122°18′56.23″W20,000 to 30,000 years ago
Middle Sister3,06310,05044°09′N 121°47′W14,000 years ago
Newberry Caldera2,4347,98643°42′N 121°30′W690 AD ± 100 years
North Sister3,07510,09044°10′N 121°46′W46,000 years ago
Olallie Butte2,2007,21944°49′18.1″N 121°45′50.2″W11,000 years ago or earlier
Pelican Butte--42°31′N 122°04′W60,000 years ago or earlier
Rocky Butte--45°32′48″N 122°33′57″W30,000 to 90,000 years ago
Round Butte--44°30′N 121°00′W-
Saddle Butte1,700-43°00′N 117°48′W430,000 ± 90,000 years ago
South Sister3,15810,36044°06′N 121°46′W50 BC
Strawberry Volcanics--44°12′N 118°48′W12.5 to 16.2 million years ago
Mount Tabor-63645°30′46″N 122°35′33″W300,000 years ago or earlier
Mount Thielsen2,8009,18443°09′10.21″N 122°03′59.45″W290,000 years ago
Three Fingered Jack2,3907,84044°28′42″N 121°50′29″W40,000 to 80,000 years ago
Tower Mountain (Oregon)---22.0 million years ago
Mount Washington2,3767,79044°19′55″N 121°50′13″W700 AD
Wildcat Mountain Caldera---36.0 million years ago

South Dakota
NameElevationLocationLast eruption
metersfeetCoordinates
Tomahawk Volcano1,6685,47244°15′58″N 103°41′05″W-

Texas
NameElevationLocationLast eruption
metersfeetCoordinates
Pilot Knob16955430°09′43″N 97°42′22″W79 to 83 million years ago (late Cretaceous)
Inge Mountain12541029°10′52″N 99°45′58″WEocene or possibly Miocene

Utah
NameElevationLocationLast eruption
metersfeetCoordinates
Bald Knoll Volcanic Field2,1357,00537°19′41″N 112°24′29″W300,000 years ago or later
Black Rock Desert Volcanic Field1,8005,90438°58′12″N 112°30′00″W1290 AD ± 150 years
Fumarole Butte1,6095,27939°36′54″N 112°48′11″W900,000 years ago
Indian Peak-Caliente Caldera Complex--38°00′00″N 114°00′00″W18 million years ago
Marysvale Volcanic Field3,69412,13738°30′00″N 112°30′00″W19 million years ago
Markagunt Plateau Volcanic Field2,8409,31837°37′01″N 112°49′30″W1050 AD
Santa Clara Volcanic Field1,4654,80637°15′25″N 113°37′30″W32,000 years ago

Virginia
NameElevationLocationLast eruption
metersfeetCoordinates
Mole Hill577 1,89338°26′55″N 78°57′12″W47 million years ago (early Eocene)
Trimble Knob952 3,123 38°24′17″N 79°35′16″W35 million years ago (late Eocene)
Battle Mountain 354 1,162 38°39′26″N 78°3′36″W 74 million years ago

Washington
NameElevationLocationLast eruption
metersfeetCoordinates
Battle Ground Lake22975045°48′19″N 122°39′29″W105,000 years ago
Black Buttes2,857 9,373 48°46′09″N 121°51′10″W500,000 to 300,000 years ago
Mount Adams3,74312,28146°12′09″N 121°29′27″W500 BC ± 1000 years
Mount Baker3,28510,77848°46′38″N 121°48′48″W1880
Glacier Peak3,21310,54148°06′45″N 121°06′50″W1700 ± 100 years
Goat Rocks2,4948,18446°30′N 121°27′W500,000 years ago
Indian Heaven1,5135,92545°56′N 121°49′W~6250 BC
Lone Butte1457 4,78046°03′16″N 121°50′21″WEither 80,000 or 140,000 years ago ± 10,000 years
Marble Mountain-Trout Creek Hill volcanic zone1,378 4,52145°54′N 122°00′W~7700 years ago
Mount Rainier4,39214,41146°51′11″N 121°45′35″W1894
Mount St. Helens2,5508,36446°11′28″N 122°11′39″W2008
Mount Si1,2704,16747°30′27″N 121°44′24″W
Pinnacle Peak5491,80147°10′25″N 121°58′24″W
Silver Star Mountain1,3304,36445°44′51.8″N 122°14′20.5″WPluton formed 20 million years ago
Simcoe Mountains19546,41046°06′N 120°54′W631,000 ± 27,000 years ago
Trout Creek Hill8902,92045°50′11″N 121°59′41″W340,000 years ago
Tumtum Mountain6112,00445°56′03″N 122°20′13″W70,000 years ago
West Crater1,3294,36045°53′N 122°05′W5750 BC
White Chuck Cinder Cone1,8306,00248°03′N 121°10′WBetween 17,000 and 2,000 years ago

Wyoming
NameElevationLocationLast eruption
metersfeetCoordinates
Yellowstone Caldera2,8059,20344°26′N 110°40′W70,000 years ago (magmatic) / 1350 BC ± 200 years (hydrothermal)[25]

See also

References
  1. "Capital – Historic eruptions". www.avo.alaska.edu. Retrieved June 8, 2018.
  2. "Cleveland – Introduction".
  3. "USGS DDS-40, Volcanoes of the Alaska Peninsula and Aleutian Islands – Album". pubs.usgs.gov. Retrieved June 13, 2018.
  4. "gilbert – Introduction". avo.alaska.edu. Retrieved June 13, 2018.
  5. "Global Volcanism Program | Kialagvik". volcano.si.edu. Retrieved June 14, 2018.
  6. "Global Volcanism Program | Kukak". volcano.si.edu. Retrieved June 14, 2018.
  7. Berlinger, Joshua. "Pavlof Volcano in Alaska still erupting". CNN.
  8. "Westdahl Peak description and information". www.avo.alaska.edu. Retrieved June 17, 2018.
  9. "Roundtop – Historic eruptions". www.avo.alaska.edu. Retrieved June 17, 2018.
  10. "Global Volcanism Program | Sergief". volcano.si.edu. Retrieved June 17, 2018.
  11. "Wide Bay cone – Introduction". www.avo.alaska.edu. Retrieved June 17, 2018.
  12. Jicha, Brian; Coombs, Michelle; T. Calvert, Andrew; Singer, Brad (May 1, 2012). "Geology and 40Ar/39Ar geochronology of the medium- to high-K Tanaga volcanic cluster, western Aleutians". Geological Society of America Bulletin. 124 (5–6): 842–856. doi:10.1130/B30472.1.
  13. "Tana". www.volcanodiscovery.com. Retrieved June 17, 2018.
  14. "Global Volcanism Program | Tlevak Strait-Suemez Is". volcano.si.edu. Retrieved June 17, 2018.
  15. Richter, D. H.; Moll-Stalcup, E. J.; Miller, T. P.; Lanphere, M. A.; Dalrymple, G. B.; Smith, R. L. (March 1994). "Eruptive history and petrology of Mount Drum volcano, Wrangell Mountains, Alaska". Bulletin of Volcanology. 56 (1): 29–46. doi:10.1007/bf00279727. ISSN 0258-8900. S2CID 128820426.
  16. Harris, Ann G.; Tittle, Esther; Tittle, Sherwood D. (2004). Geology of National Parks. Kendall Hunt. ISBN 9780787299705.
  17. Izuka, Scot (1999). "Summary of Ground-Water Data for Tutuila and Aunuu, American Samoa, for October 1987 Through September 1997" (PDF). U.S. Geological Survey. Open-File Report 99-252: 2.
  18. "San Francisco Peaks Geology". www.snowbowl.ski. Retrieved August 15, 2018.
  19. Muffler, L.J. Patrick; Clynne, Michael A. (2015). "Geologic Field-Trip Guide to Lassen Volcanic National Park and Vicinity, California" (PDF). United States Geological Survey. p. 21. Retrieved July 8, 2018.
  20. McKINNEY, JOHN (March 25, 2001). "Exploring Volcanic Remnants in the Bay Area" – via LA Times.
  21. "Global Volcanism Program | Tumble Buttes". volcano.si.edu. Retrieved June 29, 2018.
  22. https://www.isgs.illinois.edu/outreach/geology-resources/formation-hicks-dome-southern-illinois
  23. "Latent Thermal Effects from Porcupine Volcanic Calderas Underlying the White Pine Straitform Copper Mineralization)". www.researchgate.net. Retrieved September 5, 2019.
  24. "Global Volcanism Program – Hood".
  25. "Yellowstone". Global Volcanism Program. Smithsonian Institution. Retrieved December 31, 2008.
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