This article contains a list of volcanoes, which are active, dormant, or extinct in the United States and its territories.
Alaska Name Elevation Location Last eruption metersfeetCoordinates Mount Adagdak 645 2115 210,000 ± 5,000 years ago Mount Akutan 1303 4275 1996 Alagogshak 1675 5495 43,000 ± 8,000 years ago Amak Volcano 488 1601 1796 Mount Amukta 1066 3497 1997 Mount Aniakchak 1341 4400 1931 Mount Augustine 1252 4108 2005 Black Peak 1032 3385 1900 BCE ± 150 years Bogoslof Island 150 492 2017 Buldir Volcano 656 2152 Holocene Mount Bona 5005 16,421 847 Mount Blackburn 4996 16,390 3.4 million years agoBuzzard Creek 830 2723 1050 BC Capital Mountain 2356 7728 1.02 million years ago Mount Carlisle 1620 5315 1987Chagulak Island 1142 3747 Unknown Mount Chiginagak 2221 7287 1998 Mount Cleveland 1730 5676 2020 Mount Dana 1354 4442 1890 BC Davidof Volcano 328 1076 Probably Holocene Mount Denison 2318 7606 Probably Holocene Devils Desk 1954 6409 245,000 years ago Double Glacier Volcano 1239 4065 Pleistocene Mount Douglas 2140 7021 Probably Holocene Mount Dutton 1506 4941 Holocene Mount Edgecumbe 970 3132 2220 BC ± 100 years Mount Emmons 1436 4711 More than 10,000 years ago Espenberg 17,500 years BP Mount Fisher 1112 3648 1830 Fourpeaked 2105 6906 2006 Frosty Peak Volcano 1920 6299 Late Pleistocene or later Gareloi Volcano 1573 5161 1989 Mount Gilbert 818 2684 Unknown, fumaroles until 1948 Great Sitkin 1740 5709 2026 (ongoing non-stop) Mount Gordon 2755 9039 Holocene Mount Griggs 2317 7602 1790 BC ± 40 years Hayes Volcano 3034 9954 1200 ± 300 years Mount Herbert 1280 4199 Unknown Mount Iliamna 3053 10,016 1876 Imuruk Lake 610 2001 300 Ingakslugwat Hills 190 623 HoloceneIsanotski Peaks 2446 8025 UnknownKagamil Island 893 2930 1929 Mount Kaguyak 901 2956 1650 BC Mount Kanaga 1307 4288 2012 Kasatochi Island 314 1030 2008 Mount Katmai 2047 6716 1912 Kejulik Volcano 1517 4977 Unknown Mount Kialagvik 1575 5167 HoloceneKiska Volcano 1220 4003 1990Koniuji Island 273 896 1150 BC Korovin Volcano 1533 5029 2007 Mount Kukak 2043 6703 Holocene Mount Kupreanof 1895 6217 1987 Kookooligit Mountains 673 2208 Holocene Little Sitkin 1174 3852 1830 Mount Mageik 2165 7103 500 BC ± 50 years Mount Makushin 1800 5905 1996 Mount Martin 1863 6112 1953 Mount Moffett 1196 3924 1600 BC Novarupta 841 2759 1912 Nunivak Island 511 1676 300,000 years ago Mount Okmok 1073 3520 2008St. Michael volcanic field 715 2346 More recent than 500 BCMount Pavlof 2519 8264 2022Pavlof Sister 2142 7027 1786Pogromni 2002 6569 Late Pleistocene Pyre Peak 1054 3458 1993 Mount Recheschnoi 1984 6509 3,000 years ago Mount Redoubt 3108 10,197 2009 Roundtop Mountain 1871 6138 9,100-10,000 years ago Mount Sanford 4949 16,237 320,000 years agoMount Segula 1160 3806 A few hundred years agoSemisopochnoi Island 1221 4006 2023 Mount Sergief 560 1837 Pleistocene Mount Shishaldin 2857 9373 2023 Snowy Mountain 2162 7093 1710 ± 200 years Mount Spurr 3374 11,069 1992St. Michael volcanic field 715 2346 Within 3,000 years St. Paul Island 203 666 1280 BC ± 40 years Mount Steller 2272 7454 Probably HoloceneStepovak Bay 3 1555 5102 Probably Pleiocene Table Top-Wide Bay 792 2598 Holocene Mount Takawangha 1449 4754 Last few hundred yearsTana (volcano) 1170 3839 Mid-late Holocene Mount Tanaga 1806 5925 1914 Tlevak Strait-Suemez Island 50 164 Holocene/Post-glacial Trident Volcano 1864 6115 1975 Ugashik-Peulik 1474 4836 1814 Ukinrek maars 91 299 1977Uliaga Island 888 2913 Holocene Mount Veniaminof 2507 8225 2021 Mount Vsevidof 2149 7050 1957 Mount Westdahl 1654 5426 1992 Yantarni Volcano 1345 4413 800 BC ± 500 yearsYunaska Island 550 1804 1937Prindle Volcano - - PleistoceneMount Churchill 4766 15,632 700 ± 200 yearsMount Drum 3661 12,010 About 250,000 years agoMount Jarvis 4091 13,422 1 million years agoMount Wrangell 4317 14,163 1999
American Samoa Name Elevation Location Last eruption metersfeetCoordinatesMalumalu - - Last 8,000 yearsTaʻū 931 3054 30,000 years agoOfu-Olosega 639 2096 1866 unnamed submarine cone eruptionTutuila 653 2142 440 CEVailuluʻu -592 -1842 2003 west of unnamed submarine caldera and nafauna
Arizona Name Elevation Location Last eruption metersfeetCoordinates Arlington Cone - - - Black Bottom Crater - - -Colton Crater 2,246 7,368 1075 AD Sunset Crater and Unnamed Fissure vents Double Crater 2,426 7,959 Pleistocene Lenox Crater - - - Maroon Crater - - -Merriam Cone 2,077 6,813 150,000 years ago Mount Baldy 3,480 11,420 8-9 million years ago Mount Elden 2,834 9,299 250,000 years ago Red Mountain 2428 7965 740,000 years ago Roden Crater - - 400,000 years ago San Francisco Peaks 3851 12,633 92,000 years ago San Francisco volcanic field - - 1075 AD ± 25 years SP Crater 2141 7021 5,500 years ago Stewart Crater - - - Strawberry Crater 1,9896,526 Late Pleistocene Sunset Crater (San Francisco volcanic field) 2447 8026 1075 AD ± 25 years Uinkaret volcanic field - - 1100 AD ± 75 years Little Springs Pyroclastic Cone
California
Name Elevation Location Last eruption metersfeetCoordinatesAmboy Crater - 300 - 984 - 23 million years ago 79,000 ± 5,000 years ago Big Cave 1259 4131 38,000 ± 7,000 years ago Big Pine volcanic field 17,000 years ago Black Butte 1939 6362 9,500 years ago Brushy Butte 1174 3852 12,000 years ago Burney Mountain 2397 7863 280,000 ± 6,000 years ago Cima volcanic field 1509 6925 15,000 ± 5,000 years ago Cinder Cone and the Fantastic Lava Beds 2105 6907 1666 Inyo Craters 2629 8625 1380 CE ± 50 years Mount Konocti (Clear Lake Volcanic Field) 1312 4305 11,000 years ago Lassen Peak 3189 10,462 1917 Lassen Volcanic Center - - 1917 Long Valley Caldera 3390 11,122 50,000 years ago Malapai Hill 1304 4278 15.93 ± 0.08 million years ago Mammoth Mountain 3371 11,059 1260 AD ± 40 years Medicine Lake Volcano 2412 7913 1060 AD Mono Craters 2,796 9,173 1350 AD ± 20 years Pinnacles - - 23 million years ago Pipkin 770,000 ± 40,000 years ago Pisgah Crater 774 2,539 18,000 ± 5,000 years ago Red Cones 2,748 9,015 8,500 years ago Round Mountain (Clear Lake Volcanic Field) 696 2,294 10,000 years ago Round Top 538 1,764 10 Million Years Ago Mount Saint Helena 1,323 4,342 3.4 million years ago Mount Shasta 4,317 14,162 1250 Sutter Buttes 650 2,130 1.5 million years ago Tumble Buttes 2,191 7,188 10,000 – 15,000 years ago Twin Buttes 1631 5351 10,000 to 15,000 years ago Ubehebe Craters 752 2467 150 BC
Colorado Name Elevation Location Last eruption metersfeetCoordinates Dotsero 2,230 7,316 2200 BC ± 300 years La Garita Caldera 4,274 14,022 26.3 Ma Never Summer Mountains 3,946 12,945 24 to 29 million years ago Summer Coon - - 24 to 34 million years ago
Hawaii
Name Elevation Location Last eruption metersfeetCoordinates Diamond Head 232 761 400,000 to 500,000 years ago Haleakalā or East Maui Volcano 3055 10,023 1750 Hanauma Bay (Koko Head) 196 642 10,000 - 32,000 years ago Hualālai 2521 8270 1801 Kaʻau Crater 462 1,516 35000 or 76000 years ago. Kaʻena Point - - Pleistocene Epoch Kahoʻolawe 450 1475 1 million years ago Kauhakō Crater 150 490 230,000-300,000 years ago Kawaikini 1,598 5,243 4 million years ago Kīlauea 1247 4091 January 2026 (ongoing) Kohala 1670 5480 120,000 years ago Koko Guyot - - 50 million years ago Koko Crater 368 1207 10,000 years ago Koʻolau Range 941 3149 40,000 years ago Lānaʻi 1,026 3,366 1.2 million years ago Kamaʻehuakanaloa Seamount (Loihi) -975 -3199 1996 Māhukona - - About 470,000 years ago Mauna Kea 4208 13,796 2460 BC ± 100 years Mauna Loa 4169 13,679 2022Mount Waiʻaleʻale 1,544 5,066 -Puʻu Hawaiʻiloa 103 337 450,000 - 420,000Punchbowl Crater - - 400,000 to 500,000 years ago Ulupaʻu Crater 201 659 600,000 - 400,000 years agoWaiʻanae Range 1342 4,025 2.6 million years ago West Maui Volcano 1,764 5,788 320,000 years ago
Idaho
Name Elevation Location Last eruption metersfeetCoordinates Big Southern Butte 2298 7540 300,000 years ago Blue Creek - - - - Craters of the Moon 2005 6578 130 BC ± 50 years Yellowstone Plateau volcanic field 2805 9203 70,000 years ago (magmatic) / 1350 BC ± 200 years (hydrothermal) Juniper Buttes 1905 6250 - Menan Buttes 1713 5619 10,000 years ago Shoshone Volcano - - - - Split Butte - - - The Great Rift - - -
Illinois Name Elevation Location Last eruption metersfeetCoordinates Hicks Dome 203 666 400-345 million years ago
Louisiana
Name Elevation Location Last eruption metersfeetCoordinates Door Point Volcano -2200 -7200 - 74-90 million years ago
Michigan
Name Elevation Location Last eruption metersfeetCoordinates Porcupine Mountains Central-Volcano 595 1,958 1.093 billion years ago
Mississippi
Name Elevation Location Last eruption metersfeetCoordinates Jackson Volcano -880 (from surface) -2900 65 million years ago Midnight Volcano -1110 (from surface) -3641 66 million years ago
Missouri
Name Elevation Location Last eruption metersfeetCoordinates Taum Sauk Caldera 540 1772 1.485 billion years ago Montana
Name Elevation Location Last eruption metersfeetCoordinates Elkhorn Mountains 2869 9414 Late Cretaceous, 74 million years agoYellowstone Plateau Volcanic Field2805920370,000 years ago (magmatic) / 1350 BC ± 200 years (hydrothermal)
Nevada
Name Elevation Location Last eruption metersfeetCoordinates Cottonwood Caldera - - - 15.70 million years ago Crater Flat (Southwest Nevada Volcanic Field) - - 80,000 years ago Indian Peak-Caliente Caldera Complex - - 18 million years ago Jessup area - - Jurassic Lunar Crater volcanic field - - 38,100 ± 10,000 years agoMcDermitt Caldera 2078 6816 16.39 ± 0.02 million years ago Steamboat Springs 1415 4642 1.14 million years ago Soda Lakes 1251 4104 Holocene Virgin Valley Caldera - - - 16.38 million years ago Yucca Mountain 2044 6707 80,000 years ago
New Hampshire
Name Elevation Location Last eruption metersfeetCoordinates Pawtuckaway Mountains - - Cretaceous Ossipee Mountains - - Cretaceous
New Jersey
Name Elevation Location Last eruption metersfeetCoordinatesRutan Hill310 1,020 Ordovician
New Mexico
Name Elevation Location Last eruption metersfeetCoordinates Albuquerque volcanic field 1,840 6,030 70,000-170,000 years ago Capulin Volcano 2,494 8,182 58,000–52,000 years ago Carrizozo Malpais 1,731 5,679 3,250 BC ± 500 years ago Cerros del Rio 664 2,178 2.2 million years ago Jemez Mountains 3,525 - 60,000-50,000 years ago Jornada del Muerto Volcano 1,565 5,136 760,000 years ago Kilbourne Hole 1,555 4,240 80,000 years ago Mount Taylor 2,445 11,300 1,500,000 years ago Shiprock 2,188 7,177 27 million years ago Sierra Blanca 3,652 11,981 26 million years ago Valles Caldera 3,430 11,253 50,000 to 60,000 years ago Zuni-Bandera volcanic field 2,550 8,366 1,170 BC ± 300 years
North Carolina
Name Elevation Location Last eruption metersfeetCoordinates Hillsborough Caldera - - 630 million years agoMorrow Mountain 276 906 550 million years agoPond Mountain Volcanic Center 1517.904 4980 760 million years ago
Northern Mariana Islands
Name Elevation Location Last eruption metersfeetCoordinates Agrigan 965 3165 1917 Ahyi Seamount -137 -449 2025 (continuing) Alamagan 744 2441 1887 Anatahan 788 2592 2008 Asuncion Island 857 2810 1906 Daikoku Seamount -323 -1060 HoloceneEifuku -1535 -5036 HoloceneEast Diamante -127 -417 HoloceneEsmeralda Bank -43 -141 Holocene Farallon de Pajaros 360 1,180 1967 Forecast Seamount -1456 -4777 Holocene Fukujin Seamount -217 -712 1974 Guguan 287 942 1883 Kasuga Seamounts -598 -1962 1959 Maug Islands 227 745 PleistoceneNorthwest Rota-1 -517 -1696 2004 Pagan Island 570 1870 2021 Ruby Seamount -230 -755 2023 Sarigan 538 1765 Unknown Seamount X -1230 -4035 Holocene South Sarigan Seamount -184 -604 2010 Supply Reef -8 -26 1989 Zealandia Bank 0 0 Holocene
Oregon