List of volcanoes in the United States

 Map with all coordinates: OSM | WikiMap

This is a list of volcanoes in the United States that were active at least once during the Quaternary .

Alaska

image	Surname	Island / peninsula	Archipelago	Volcano type	Last eruption	Height [m]	Geographic coordinates
	Mount Adagdak	Adak Island	Andreanof Islands , Aleutian Islands	Stratovolcano	0.21 ± 0.05 Ma BP	610	51 ° 59 ′ 16 "  N , 176 ° 35 ′ 30"  W.
	Mount Akutan	Akutan Island	Fox Islands , Aleutian Islands	Stratovolcano	1992	1303	54 ° 08′04 ″  N , 165 ° 59′10 ″  W.
	Mount Amak	Amak Island	Fox Islands , Aleutian Islands	Stratovolcano	1796	488	55 ° 25 ′ 26 ″  N , 163 ° 08 ′ 57 ″  W.
	Mount Amukta	Amukta Island	Islands of Four Mountains , Aleutian Islands	Stratovolcano	1997	1066	52 ° 30'00 "  N , 171 ° 15'08"  W.
	Mount Aniakchak	Alaska Peninsula		Caldera	1931	1341	56 ° 53'00 "  N , 158 ° 10'00"  W.
	Mount St. Augustine	Augustine Island		Lava domes	2006	1252	59 ° 21 ′ 48 ″  N , 153 ° 26 ′ 00 ″  W.
	Behm Canal-Rudyerd Bay	Revillagigedo Island	Alexander Archipelago	Volcanic field	unknown	500	55 ° 19 ′ 00 ″  N , 131 ° 03 ′ 00 ″  W.
	Black Peak	Alaska Peninsula		Stratovolcano	1900 BC Chr. ± 150 years	1032	56 ° 33'09 "  N , 158 ° 47'05"  W.
		Bobrof Island	Andreanof Islands , Aleutian Islands	Stratovolcano	unknown	738	51 ° 54 ′ 36 "  N , 177 ° 26 ′ 18"  W.
		Bogoslof Island	Fox Islands , Aleutian Islands	Stratovolcano	1992	150	53 ° 56'00 "  N , 168 ° 02'00"  W.
		Buldir Island	Aleutian Islands	Stratovolcano	unknown	656	52 ° 21 '00 "  N , 175 ° 54' 38"  E
	Buzzard Creek			Tuff rings	approx. 1050 BC Chr.	830	64 ° 04 ′ 00 ″  N , 148 ° 25 ′ 00 ″  W.
	Capital Mountain			Shield volcano	0.9 Ma BP	2356	62 ° 25 ′ 26 ″  N , 144 ° 06 ′ 46 ″  W.
	Mount Carlisle	Carlisle Island	Islands of Four Mountains , Aleutian Islands	Stratovolcano	1828	1620	52 ° 53 ′ 38 ″  N , 170 ° 03 ′ 15 ″  W.
	Chagulak	Chagulak Island	Islands of Four Mountains , Aleutian Islands	Stratovolcano	unknown	1142	52 ° 34 ′ 36 ″  N , 171 ° 08 ′ 00 ″  W.
	Mount Chiginagak	Alaska Peninsula		Stratovolcano	1998	2221	57 ° 08'06 "  N , 156 ° 59'24"  W.
	Mount Churchill			Stratovolcano	800 AD ± 100 years	4766	61 ° 25'07 "  N , 141 ° 42'55"  W.
	Mount Cleveland	Chuginadak Island	Islands of Four Mountains , Aleutian Islands	Stratovolcano	2010	1730	52 ° 49 ′ 30 "  N , 169 ° 56 ′ 38"  W.
	Mount Dana	Alaska Peninsula		Stratovolcano	approx. 1890 BC Chr.	1354	55 ° 38 ′ 28 "  N , 161 ° 12 ′ 50"  W.
		Davidof Island	Council Islands , Aleutian Islands	Stratovolcano	unknown	328	51 ° 58'00 "  N , 178 ° 20'00"  E
	Mount Denison	Alaska Peninsula		Stratovolcano	unknown	2287	58 ° 25 ′ 04 "  N , 154 ° 26 ′ 57"  W.
	Double glacier volcano			Stratovolcano	unknown	1475	60 ° 42 ′ 58 ″  N , 152 ° 40 ′ 06 ″  W.
	Mount Douglas	Alaska Peninsula		Stratovolcano	unknown	2140	58 ° 51 ′ 19 ″  N , 153 ° 32 ′ 31 ″  W.
	Mount Drum			Stratovolcano	0.24 Ma BP	3661	62 ° 06 ′ 57 ″  N , 144 ° 38 ′ 24 ″  W.
	Duncan Canal			Volcanic field	unknown	15th	56 ° 30'00 "  N , 133 ° 06'00"  W.
	Mount Dutton	Alaska Peninsula		Stratovolcano	unknown	1506	55 ° 10'05 "  N , 162 ° 16'18"  W.
	Mount Edgecumbe	Kruzof Island	Alexander Archipelago	Stratovolcano	2220 BC Chr. ± 100 years	970	57 ° 03′00 ″  N , 135 ° 45′00 ″  W.
	Mount Emmons	Alaska Peninsula		Stratovolcano	unknown	1436	55 ° 20'26 "  N , 162 ° 04'43"  W.
	Fisher Caldera	Unimak Island	Fox Islands , Aleutian Islands	Caldera	1830	1112	54 ° 39′00 ″  N , 164 ° 26′00 ″  W.
	Fourpeaked Mountain	Alaska Peninsula		Stratovolcano	2006	2105	58 ° 46 ′ 12 "  N , 153 ° 40 ′ 20"  W.
	Frosty	Alaska Peninsula		Stratovolcanoes	unknown	2012	55 ° 04 ′ 54 "  N , 162 ° 48 ′ 50"  W.
		Gareloi Island	Andreanof Islands , Aleutian Islands	Stratovolcano	1989	1573	51 ° 47 '25 "  N , 178 ° 47' 38"  W.
	Mount Gordon			Cinder cone	unknown	2755	62 ° 08′00 ″  N , 143 ° 05′00 ″  W.
		Great Sitkin Island	Andreanof Islands , Aleutian Islands	Stratovolcano	1974	1740	52 ° 04 ′ 34 ″  N , 176 ° 07 ′ 48 ″  W.
	Mount Griggs	Alaska Peninsula		Stratovolcano	1790 BC Chr. ± 40 years	2317	58 ° 21 '14 "  N , 155 ° 05' 30"  W.
	Hayes			Stratovolcano	1200 AD ± 300 years	2788	61 ° 35 ′ 57 ″  N , 152 ° 25 ′ 05 ″  W.
		Herbert Island	Islands of Four Mountains , Aleutian Islands	Stratovolcano	unknown	1280	52 ° 44 ′ 32 "  N , 170 ° 06 ′ 38"  W.
	Mount Iliamna			Stratovolcano	1876	3053	60 ° 01 ′ 55 ″  N , 153 ° 05 ′ 25 ″  W.
	Imuruk Lake	Seward Peninsula		Volcanic field	approx. 300 AD	610	65 ° 36′00 ″  N , 163 ° 55′00 ″  W.
	Ingakslugwat Hills			Volcanic field	unknown	190	61 ° 26′00 ″  N , 164 ° 28′00 ″  W.
	Isanotski Peaks	Unimak Island	Fox Islands , Aleutian Islands	Stratovolcano	unknown	2446	54 ° 45 ′ 54 ″  N , 163 ° 43 ′ 21 ″  W.
	Mount Jarvis			Shield volcano	1.0 Ma BP	4091	62 ° 01 ′ 24 ″  N , 143 ° 37 ′ 12 ″  W.
		Kagamil Island	Islands of Four Mountains , Aleutian Islands	Stratovolcano	1929	893	52 ° 58 ′ 25 ″  N , 169 ° 43 ′ 00 ″  W.
	Mount Kaguyak	Alaska Peninsula		Stratovolcano	approx. 3850 BC Chr.	901	58 ° 36 ′ 30 ″  N , 154 ° 01 ′ 40 ″  W.
		Kanaga Island	Andreanof Islands , Aleutian Islands	Stratovolcano	1995	1307	51 ° 55 ′ 22 ″  N , 177 ° 10 ′ 04 ″  W.
		Kasatochi Island	Andreanof Islands , Aleutian Islands	Stratovolcano	2008	314	52 ° 10 ′ 39 ″  N , 175 ° 30 ′ 30 ″  W.
	Mount Katmai	Alaska Peninsula		Stratovolcano	1912	2047	58 ° 16 ′ 47 "  N , 154 ° 57 ′ 48"  W.
	Mount Kialagvik	Alaska Peninsula		Stratovolcano	unknown	1677	57 ° 12 '10 "  N , 156 ° 44' 43"  W.
		Kiska Island	Council Islands , Aleutian Islands	Stratovolcano	1990	1220	52 ° 06 ′ 10 ″  N , 177 ° 36 ′ 07 ″  E
	Kliuchef	Atka Island	Andreanof Islands , Aleutian Islands	Stratovolcano	1987	1451	52 ° 19 ′ 54 ″  N , 174 ° 08 ′ 12 ″  W.
		Koniuji Island	Andreanof Islands , Aleutian Islands	Stratovolcano	1150 BC Chr. ± 1000 Janre	273	52 ° 13′00 ″  N , 175 ° 08′00 ″  W.
	Kookooligit Mountains	Saint Lawrence Island		Shield volcano	unknown	673	63 ° 36′00 ″  N , 170 ° 26′00 ″  W.
	Korovin	Atka Island	Andreanof Islands , Aleutian Islands	Stratovolcano	2007	1533	52 ° 22 ′ 52 ″  N , 174 ° 09 ′ 15 ″  W.
	Mount Kukak	Alaska Peninsula		Stratovolcano	unknown	2043	58 ° 27 '10 "  N , 154 ° 21' 18"  W.
	Mount Kupreanof	Alaska Peninsula		Stratovolcano	1987	1895	56 ° 00 ′ 40 "  N , 159 ° 47 ′ 50"  W.
		Little Sitkin Island	Council Islands , Aleutian Islands	Stratovolcano	1830	1174	51 ° 57'00 "  N , 178 ° 32'35"  E
	Mount Mageik	Alaska Peninsula		Stratovolcano	500 BC Chr. ± 50 years	2165	58 ° 11 ′ 41 ″  N , 155 ° 15 ′ 10 ″  W.
	Makushin	Unalaska Island	Fox Islands , Aleutian Islands	Stratovolcano	1995	1800	53 ° 53 ′ 27 "  N , 166 ° 55 ′ 22"  W.
	Mount Martin	Alaska Peninsula		Stratovolcano	1953	1863	58 ° 10 ′ 20 "  N , 155 ° 21 ′ 40"  W.
	Mount Moffett	Adak Island	Andreanof Islands , Aleutian Islands	Stratovolcano	approx. 1600 BC Chr.	1196	51 ° 56 ′ 38 "  N , 176 ° 44 ′ 48"  W.
	Novarupta	Alaska Peninsula		Caldera	1912	841	58 ° 16'00 "  N , 155 ° 09'24"  W.
		Nunivak		Shield volcano	unknown	511	60 ° 01′00 ″  N , 166 ° 20′00 ″  W.
	Mount Okmok	Umnak	Fox Islands , Aleutian Islands	Shield volcano	2008	1073	53 ° 26′00 ″  N , 168 ° 08′00 ″  W.
	Mount Pavlof	Alaska Peninsula		Stratovolcano	2007	2519	55 ° 25'00 "  N , 161 ° 53'15"  W.
	Pavlof Sister	Alaska Peninsula		Stratovolcano	unknown	2142	55 ° 27 '10 "  N , 161 ° 50' 35"  W.
	Mount Peulik	Alaska Peninsula		Stratovolcano	1814	1474	57 ° 45'03 "  N , 156 ° 22'05"  W.
	Prindle			Cinder cone	200,000 BP ± 60,000 years	1250	63 ° 43 ′ 11 "  N , 141 ° 37 ′ 20"  W.
	Mount Recheshnoi	Umnak	Fox Islands , Aleutian Islands	Stratovolcano	unknown	1984	53 ° 09 ′ 24 ″  N , 168 ° 32 ′ 20 ″  W.
	Mount Redoubt			Stratovolcano	2009	3108	60 ° 29'07 "  N , 152 ° 44'31"  W.
	Round top	Unimak Island	Fox Islands , Aleutian Islands	Stratovolcano	7600 BC Chr. ± 500 years	1871	54 ° 48'00 "  N , 163 ° 35'20"  W.
	Mount Sanford			Shield volcano	unknown	4949	62 ° 13′00 ″  N , 144 ° 08′00 ″  W.
	Sarichef	Atka Island	Andreanof Islands , Aleutian Islands	Stratovolcano	unknown	1056	52 ° 19 ′ 12 ″  N , 174 ° 02 ′ 49 ″  W.
		Seguam Island	Andreanof Islands , Aleutian Islands	Stratovolcanoes	1993	1054	52 ° 18 ′ 55 "  N , 172 ° 30 ′ 35"  W.
		Segula Island	Council Islands , Aleutian Islands	Stratovolcano	unknown	1160	52 ° 00 ′ 55 ″  N , 178 ° 08 ′ 08 ″  E
		Semisopochnoi Island	Council Islands , Aleutian Islands	Stratovolcano	1987	1221	51 ° 56'00 "  N , 179 ° 35'00"  E
	Shishaldin	Unimak Island	Fox Islands , Aleutian Islands	Stratovolcano	2004	2857	54 ° 45 ′ 20 ″  N , 163 ° 58 ′ 00 ″  W.
	Snowy Mountain	Alaska Peninsula		Stratovolcanoes	1710 ± 200 years	2162	58 ° 20 ′ 08 "  N , 154 ° 40 ′ 55"  W.
	Mount Spurr			Stratovolcano	1992	3374	61 ° 17 ′ 58 "  N , 152 ° 15 ′ 04"  W.
		St. George Island	Pribilof Islands	Volcanic field	Pleistocene	289	56 ° 35′00 ″  N , 169 ° 38′00 ″  W.
	St. Michael	Stuart Island , St. Michael Island		Volcanic field	unknown	715	63 ° 27'00 "  N , 162 ° 07'00"  W.
		Saint Paul Island	Pribilof Islands	Shield volcano	1280 BC Chr. ± 40 years	203	57 ° 11'00 "  N , 170 ° 18'00"  W.
	Mount Steller	Alaska Peninsula		Stratovolcano	unknown	2272	58 ° 26′00 ″  N , 154 ° 24′00 ″  W.
	Takawangha	Tanaga Island	Andreanof Islands , Aleutian Islands	Stratovolcano	circa 1550	1449	51 ° 52 ′ 22 ″  N , 178 ° 00 ′ 20 ″  W.
	Tana	Chuginadak Island	Islands of Four Mountains , Aleutian Islands	Stratovolcanoes	unknown	1170	52 ° 50′00 ″  N , 169 ° 46′00 ″  W.
	Tanada Peak			Shield volcano	970,000 BP	2852	62 ° 18′07 ″  N , 143 ° 30 ′ 22 ″  W.
		Tanaga Island	Andreanof Islands , Aleutian Islands	Stratovolcanoes	1914	1806	51 ° 53'06 "  N , 178 ° 08'45"  W.
	Tlevak Strait-Suemez Island	Suemez Island	Alexander Archipelago	Volcanic field	unknown	50	55 ° 15′00 ″  N , 133 ° 18′00 ″  W.
	Trident	Alaska Peninsula		Stratovolcano	1974	1864	58 ° 14'08 "  N , 155 ° 06'00"  W.
	Ukinrek Maare	Alaska Peninsula		Maars	1977	91	57 ° 49 ′ 54 "  N , 156 ° 30 ′ 35"  W.
		Uliaga Island	Islands of Four Mountains , Aleutian Islands	Stratovolcano	unknown	888	53 ° 03 ′ 54 ″  N , 169 ° 46 ′ 00 ″  W.
	Mount Veniaminof	Alaska Peninsula		Stratovolcano	2008	2507	56 ° 10'00 "  N , 159 ° 23'00"  W.
	Mount Vsevidof	Umnak	Fox Islands , Aleutian Islands	Stratovolcano	1878	2149	53 ° 07 ′ 48 ″  N , 168 ° 41 ′ 35 ″  W.
	Mount Westdahl	Unimak Island	Fox Islands , Aleutian Islands	Shield volcano	1992	1654	54 ° 31'06 "  N , 164 ° 39'00"  W.
	Mount Wrangell			Shield volcano	2002	4317	62 ° 00 ′ 00 ″  N , 144 ° 01 ′ 00 ″  W.
	Yantarni	Alaska Peninsula		Stratovolcano	800 BC Chr. ± 500 years	1345	57 ° 01 ′ 07 ″  N , 157 ° 11 ′ 06 ″  W.
		Yunaska Island	Islands of Four Mountains , Aleutian Islands	Shield volcano	1937	550	52 ° 38 ′ 34 "  N , 170 ° 37 ′ 43"  W.

Arizona

image	Surname	county	Volcano type	Last eruption	Height [m]	Geographic coordinates
	Sunset Crater	Coconino	Cinder cone	1075 ± 25 years	2447	35 ° 22'00 "  N , 111 ° 30'00"  W.
	Uinkaret volcanic field	Mohave	Volcanic field	1100 ± 75 years	1555	36 ° 23′00 ″  N , 113 ° 08′00 ″  W.

Colorado

image	Surname	county	Volcano type	Last eruption	Height [m]	Geographic coordinates
	Dotsero	eagle	Maar	2200 BC Chr. ± 300 years	2230	39 ° 39 ′ 38 ″  N , 107 ° 02 ′ 06 ″  W.

Hawaii

image	Surname	island	Volcano type	Last eruption	Height [m]	Geographic coordinates
	Haleakalā	Maui	Shield volcano	circa 1750	3055	20 ° 42 ′ 30 ″  N , 156 ° 15 ′ 00 ″  W.
	Hualālai	Hawai'i or Big Island	Shield volcano	1801	2523	19 ° 41 ′ 30 ″  N , 155 ° 52 ′ 00 ″  W.
		Kahoʻolawe	Shield volcano	1.1 Ma BP	450	20 ° 34'00 "  N , 156 ° 34'00"  W.
		Kaua'i	Shield volcano	0.52 Ma BP	1598	22 ° 06′00 ″  N , 159 ° 30′00 ″  W.
	Kīlauea	Hawai'i or Big Island	Shield volcano	2010	1222	19 ° 25 ′ 16 ″  N , 155 ° 17 ′ 12 ″  W.
	Kohala	Hawai'i or Big Island	Shield volcano	0.12 Ma BP	1670	20 ° 04 ′ 48 ″  N , 155 ° 42 ′ 00 ″  W.
	Ko'olau	Oahu	Shield volcano	<0.04 Ma BP	941	21 ° 22 ′ 12 ″  N , 157 ° 48 ′ 00 ″  W.
		Lana'i	Shield volcano	1.24 Ma BP	123	20 ° 50′00 ″  N , 158 ° 55′00 ″  W.
	Lo'ihi		Seamount	1996	-975	18 ° 55′00 ″  N , 155 ° 16′00 ″  W.
	Mauna Kea	Hawai'i or Big Island	Shield volcano	2460 BC Chr. ± 100 years	4205	19 ° 49'00 "  N , 155 ° 28'00"  W.
	Mauna Loa	Hawai'i or Big Island	Shield volcano	1984	4170	19 ° 28 ′ 30 ″  N , 155 ° 36 ′ 30 ″  W.
		Ni'ihau	Shield volcano	0.35 ± 0.07 Ma BP	391	21 ° 54′00 ″  N , 160 ° 06′00 ″  W.
	Wailau (East Moloka'i)	Moloka'i	Shield volcano	0.34 Ma BP	1510	21 ° 10 ′ 12 ″  N , 156 ° 49 ′ 48 ″  W.
	West Maui	Maui	Shield volcano	0.3 Ma BP	1780	20 ° 55′00 ″  N , 156 ° 35′00 ″  W.

Idaho

image	Surname	county	Volcano type	Last eruption	Height [m]	Geographic coordinates
	Craters of the Moon		Volcanic field	130 BC Chr. ± 50 years	2005	43 ° 25 ′ 00 ″  N , 113 ° 30 ′ 00 ″  W.
	Hell's Half Acre	Bonneville , Bingham	Shield volcano	3250 BC Chr. ± 150 years	1631	43 ° 30'00 "  N , 112 ° 27'00"  W.
	Shoshone volcano	Lincoln	Shield volcano	8400 BC Chr. ± 300 years	1478	43 ° 11'00 "  N , 114 ° 21'00"  W.
	Wapi lava field		Shield volcano	approx. 300 BC Chr.	1604	42 ° 53′00 ″  N , 113 ° 13′00 ″  W.

California

image	Surname	county	Volcano type	Last eruption	Height [m]	Geographic coordinates
	Amboy Crater	San Bernardino	Cinder cone	about 10,000 BP	288	34 ° 33'00 "  N , 115 ° 46'48"  W.
	Brushy butte	Shasta	Shield volcano	unknown	1174	41 ° 10 ′ 40 "  N , 121 ° 26 ′ 36"  W.
	Clear Lake	Lake	Volcanic field	unknown	1439	38 ° 58′00 ″  N , 122 ° 46′00 ″  W.
	Coso volcanic field	Inyo	Lava domes	unknown	2400	36 ° 02'00 "  N , 117 ° 49'00"  W.
	Eagle Lake volcanic field	To let	Crevasse volcano	unknown	1652	40 ° 38 ′ 00 ″  N , 120 ° 50 ′ 00 ″  W.
	Golden Trout Creek	Tulare	Volcanic field	5550 BC Chr. ± 1000 years	2886	36 ° 21 ′ 30 ″  N , 118 ° 19 ′ 00 ″  W.
	Inyo Craters	Mono	Lava domes	1380 ± 50 years	2629	37 ° 41 ′ 30 ″  N , 119 ° 01 ′ 00 ″  W.
	Let Peak	Shasta	Stratovolcano	1917	3187	40 ° 29 ′ 30 ″  N , 121 ° 30 ′ 30 ″  W.
	Long Valley Caldera	Mono	Caldera	approx. 50,000 BP	3390	37 ° 42′00 ″  N , 118 ° 52′00 ″  W.
	Mammoth Mountain	Madera , mono	Lava domes	1260 ± 40 years	3369	37 ° 37 ′ 50 ″  N , 119 ° 01 ′ 54 ″  W.
	Medicine Lake Volcano	Siskiyou	Shield volcano	1080 ± 25 years	2412	41 ° 36 ′ 40 "  N , 121 ° 33 ′ 13"  W.
	Mono Craters	Mono	Lava domes	1350 ± 20 years	2796	37 ° 53′00 ″  N , 119 ° 00′00 ″  W.
	Mono Lake volcanic field	Mono	Cinder cone	1790 ± 75 years	2121	38 ° 00′00 ″  N , 119 ° 02′00 ″  W.
	Salton Buttes	Imperial	Lava domes	approx. 6450 BC Chr.		33 ° 12′00 ″  N , 115 ° 37′00 ″  W.
	Mount Shasta	Siskiyou	Stratovolcano	1786	4317	41 ° 24 ′ 32 "  N , 122 ° 11 ′ 36"  W.
	Tumble buttes	Shasta	Cinder cone	unknown	2191	40 ° 41'00 "  N , 121 ° 33'00"  W.
	Twin buttes	Shasta	Cinder cone	unknown	1631	40 ° 46 ′ 39 "  N , 121 ° 35 ′ 26"  W.
	Ubehebe Crater	Inyo	Maars	4050 BC Chr.	752	37 ° 01′00 ″  N , 117 ° 17′00 ″  W.

New Mexico

image	Surname	county	Volcano type	Last eruption	Height [m]	Geographic coordinates
	Carrizozo volcanic field	Lincoln	Volcanic field	3250 BC Chr. ± 500 years	1731	33 ° 47'00 "  N , 105 ° 56'00"  W.
	Mount Taylor	Cibola	Stratovolcano	1.5 Ma BP	3445	35 ° 14 ′ 19 ″  N , 107 ° 36 ′ 31 ″  W.
	Valles Caldera	Sandoval	Caldera	55 ± 5 ka BP	3430	35 ° 52′00 ″  N , 106 ° 34′00 ″  W.
	Zuni-Bandera	Cibola	Volcanic field	1170 BC Chr. ± 300 years	2550	34 ° 48′00 ″  N , 108 ° 00′00 ″  W.

Nevada

image	Surname	county	Volcano type	Last eruption	Height [m]	Geographic coordinates
	Buffalo Valley	Humboldt	Volcanic field	0.92 Ma BP	1750	40 ° 21′00 ″  N , 117 ° 18′00 ″  W.
	Clayton Valley	Esmeralda	Cinder cone	0.39 Ma BP	1490	37 ° 48 ′ 57 "  N , 117 ° 38 ′ 19"  W.
	Lunar Crater	Nye	Volcanic field	15 ka BP	2255	38 ° 15′00 ″  N , 116 ° 03′00 ″  W.
	Sheldon-Antelope	Washoe , Humboldt	Volcanic field	1.2 Ma BP	unknown	41 ° 48′00 ″  N , 119 ° 06′00 ″  W.
	Soda Lakes	Churchill	Maars	unknown	1251	39 ° 32′00 ″  N , 118 ° 52′00 ″  W.
	Steamboat Springs	Washoe	Volcanic field	1.14 Ma BP	1415	39 ° 22 ′ 30 ″  N , 119 ° 43 ′ 00 ″  W.
	Timber Mountain	Nye	Volcanic field	> 10 ka BP	1675	37 ° 06′00 ″  N , 116 ° 30′00 ″  W.

Oregon

image	Surname	county	Volcano type	Last eruption	Height [m]	Geographic coordinates
	Mount Bachelor	Deschutes	Stratovolcano	5800 BC Chr. ± 1000 years	2763	43 ° 58 ′ 46 ″  N , 121 ° 41 ′ 15 ″  W.
	Mount Bailey	Douglas	Shield volcano	unknown	2553	43 ° 09 ′ 19 ″  N , 122 ° 13 ′ 12 ″  W.
	Belknap Crater	Linn	Shield volcano	480	2095	44 ° 17'07 "  N , 121 ° 50'28"  W.
	Blue Lake Crater	Jefferson	Maar	680 AD ± 200 years	1230	44 ° 24 ′ 41 "  N , 121 ° 46 ′ 26"  W.
	Boring lava field	Multnomah , Clackamas	Volcanic field	> 300 ka BP	1238	45 ° 18′00 ″  N , 122 ° 30′00 ″  W.
	Broken top	Deschutes	Stratovolcano	> 100 ka BP	2797	44 ° 04 ′ 58 "  N , 121 ° 41 ′ 59"  W.
	Cinnamon Butte	Douglas	Cinder cone	unknown	1956	43 ° 14 ′ 28 ″  N , 122 ° 06 ′ 30 ″  W.
	Crater Lake (Mount Mazama)	Klamath	Caldera	approx. 2850 BC Chr.	2487	42 ° 56'00 "  N , 122 ° 07'00"  W.
	Davis Lake volcanic field	Deschutes , Klamath	Volcanic field	approx. 2790 BC Chr.	2163	43 ° 34′00 ″  N , 121 ° 49′00 ″  W.
	Devil's Garden	Lake	Volcanic field	unknown	1698	43 ° 30 '42 "  N , 120 ° 51' 41"  W.
	Diamond Craters	Harney	Volcanic field	unknown	1435	43 ° 06′00 ″  N , 118 ° 45′00 ″  W.
	Diamond Peak	Klamath , Lane	Shield volcano	> 11 ka BP	2665	43 ° 31 ′ 15 ″  N , 122 ° 08 ′ 59 ″  W.
	Four Craters Lava Field	Lake	Volcanic field	unknown	1501	43 ° 21 ′ 40 ″  N , 120 ° 40 ′ 10 ″  W.
	Mount Hood	Clackamas , Hood River	Stratovolcano	1866	3426	45 ° 22 '25 "  N , 121 ° 41' 41"  W.
	Mount Jefferson	Jefferson , Linn , Marion	Stratovolcano	approx. 950 AD	3199	44 ° 40 ′ 27 "  N , 121 ° 47 ′ 59"  W.
	Jordan Craters	Mishap	Volcanic field	approx. 1250 BC Chr.	1473	43 ° 08 ′ 50 "  N , 117 ° 27 ′ 35"  W.
	Mount McLoughlin	Jackson	Stratovolcano	unknown	2894	42 ° 26 ′ 40 "  N , 122 ° 18 ′ 56"  W.
	Newberry volcano	Deschutes	Shield volcano	690 AD ± 100 years	2434	43 ° 43 ′ 20 "  N , 121 ° 13 ′ 44"  W.
	North Sister ( Three Sisters )	Lane		440 AD ± 150 years	3074	44 ° 10'00 "  N , 121 ° 46'00"  W.
	Sand Mountain Volcanic Field		Cinder cone	70 AD ± 150 years	1664	44 ° 23′00 ″  N , 121 ° 56′00 ″  W.
	Mount Scott	Klamath		0.4 Ma BP	2721	42 ° 55 '22 "  N , 122 ° 00' 59"  W.
	South Sister ( Three Sisters )	Deschutes		approx. 50 BC Chr.	3157	44 ° 06 ′ 10 ″  N , 121 ° 46 ′ 06 ″  W.
	Squaw Ridge Lava Field	Lake	Volcanic field	unknown	1711	43 ° 28 ′ 20 ″  N , 120 ° 45 ′ 13 ″  W.
	Mount Thielsen	Douglas , Klamath	Shield volcano	290 ka BP	2799	43 ° 09 ′ 10 ″  N , 122 ° 04 ′ 00 ″  W.
	Three fingered jack	Jefferson , Linn	Shield volcano	Pleistocene	2391	44 ° 28 ′ 44 "  N , 121 ° 50 ′ 35"  W.
	Mount Washington	Deschutes , Linn	Shield volcano	approx. 670 AD	2376	44 ° 19 ′ 56 ″  N , 121 ° 50 ′ 19 ″  W.

Utah

image	Surname	county	Volcano type	Last eruption	Height [m]	Geographic coordinates
	Soon Knoll	Kane	Cinder cone	unknown	2135	37 ° 19 ′ 40 "  N , 112 ° 24 ′ 28"  W.
	Black Rock Desert volcanic field	Billion	Volcanic field	1290 ± 150 years	1800	38 ° 58′00 ″  N , 112 ° 30′00 ″  W.
	Markagunt plateau	Garfield , Iron , Kane	Volcanic field	before 1050	2840	37 ° 35′00 ″  N , 112 ° 40′00 ″  W.
	Santa Clara	Washington	Volcanic field	unknown	1465	37 ° 15 ′ 25 ″  N , 113 ° 37 ′ 30 ″  W.

Washington

image	Surname	county	Volcano type	Last eruption	Height [m]	Geographic coordinates
	Mount Adams	Yakima , Skamania	Stratovolcano	approx. 950 AD	3742	46 ° 12 ′ 20 "  N , 121 ° 29 ′ 23"  W.
	Mount Baker	Whatcom	Stratovolcano	1880	3285	48 ° 46 ′ 36 "  N , 121 ° 48 ′ 47"  W.
	Glacier Peak	Snohomish	Stratovolcano	1700 ± 100 years	3213	48 ° 06 ′ 42 "  N , 121 ° 06 ′ 46"  W.
	Goat Rocks	Lewis , Yakima	Volcanic field	Pleistocene	2494	46 ° 29 ′ 19 ″  N , 121 ° 24 ′ 21 ″  W.
	Indian Heaven	Skamania	Volcanic field	6250 BC Chr. ± 100 years	1806	45 ° 56′00 ″  N , 121 ° 49′00 ″  W.
	Mount Rainier	Pierce	Stratovolcano	1894	4392	46 ° 51 ′ 10 "  N , 121 ° 45 ′ 37"  W.
	Mount St. Helens	Skamania	Stratovolcano	2008	2549	46 ° 12′00 ″  N , 122 ° 11′00 ″  W.
	West Crater	Skamania	Volcanic field	approx. 5750 BC Chr.	1329	45 ° 53′00 ″  N , 122 ° 05′00 ″  W.

Wyoming

image	Surname	county	Volcano type	Last eruption	Height [m]	Geographic coordinates
	Yellowstone		Calderas	70,000 BP	2805	44 ° 26′00 ″  N , 110 ° 40′00 ″  W.

Outskirts of the United States

image	Surname	island	Archipelago or territory	Volcano type	Last eruption	Height [m]	Geographic coordinates
		Agrigan	Northern Mariana Islands	Stratovolcano	1917	965	18 ° 46'00 "  N , 145 ° 40'00"  E
	Ahyi		Northern Mariana Islands	Submarine volcano	2001	-137	20 ° 25 ′ 00 ″  N , 145 ° 02 ′ 00 ″  E
		Alamagan	Northern Mariana Islands	Stratovolcano	870 AD ± 100 years	744	17 ° 36'00 "  N , 145 ° 50'00"  E
		Anatahan	Northern Mariana Islands	Stratovolcano	2008	790	16 ° 21'00 "  N , 145 ° 40'00"  E
		Asuncion	Northern Mariana Islands	Stratovolcano	1906	857	19 ° 40 ′ 15 ″  N , 145 ° 24 ′ 20 ″  E
	East Diamante		Northern Mariana Islands	Submarine volcano	unknown	-127	15 ° 56'00 "  N , 145 ° 40'00"  E
	Esmeralda Bank		Northern Mariana Islands	Submarine volcano	unknown	-43	15 ° 00 ′ 00 ″  N , 145 ° 15 ′ 00 ″  E
		Farallon de Pajaros	Northern Mariana Islands	Stratovolcano	1967	360	20 ° 32 '17 "  N , 144 ° 53' 45"  E
	Forecast seamount		Guam , Mariana Islands	Submarine volcano	unknown	unknown	13 ° 24'00 "  N , 143 ° 55'00"  E
		Guguan	Northern Mariana Islands	Stratovolcano	1883 ± 1 year	287	17 ° 18 ′ 26 "  N , 145 ° 50 ′ 41"  E
	Maug Islands		Northern Mariana Islands	Stratovolcano	unknown	227	20 ° 01 ′ 00 ″  N , 145 ° 13 ′ 00 ″  E
	North Pagan	Pagan	Northern Mariana Islands	Stratovolcano	2006	570	18 ° 08′00 ″  N , 145 ° 48′00 ″  E
	Northwest Rota-1		Northern Mariana Islands	Submarine volcano	2009	-517	14 ° 36'04 "  N , 144 ° 46'31"  E
	Ofu-Olosega	Ofu , Olosega	Manua Islands , American Samoa	Shield volcanoes	1866	639	14 ° 10 ′ 30 ″  S , 169 ° 37 ′ 06 ″  W.
	Ruby (Seamount)		Northern Mariana Islands	Submarine volcano	1995	-230	15 ° 37'00 "  N , 145 ° 34'00"  E
		Sarigan	Northern Mariana Islands	Stratovolcano	unknown	538	16 ° 42 ′ 30 ″  N , 145 ° 47 ′ 00 ″  E
	Seamount X		Guam , Mariana Islands	Submarine volcano	unknown	-1230	13 ° 15'00 "  N , 144 ° 01'00"  E
	South Pagan	Pagan	Northern Mariana Islands	Stratovolcano	1864	548	18 ° 04 ′ 30 ″  N , 145 ° 43 ′ 30 ″  E
	Supply Reef		Northern Mariana Islands	Submarine volcano	1989	-8th	20 ° 08′00 ″  N , 145 ° 06′00 ″  E
		Dew	Manua Islands , American Samoa	Shield volcano	unknown	931	14 ° 14 ′ 00 ″  S , 169 ° 27 ′ 15 ″  W.
		Tutuila	American Samoa		unknown	653	14 ° 17 ′ 42 ″  S , 170 ° 42 ′ 00 ″  W.
	Vailulu'u		American Samoa	Seamount	2003 ± 2 years	-592	14 ° 12 ′ 54 ″  S , 169 ° 03 ′ 30 ″  W.
	Zealandia Bank		Northern Mariana Islands	Submarine volcano	unknown	0	16 ° 53'00 "  N , 145 ° 51'00"  E

See also

• List of volcanoes

Individual evidence

Main sources:

• L. Siebert, T. Simkin (2002): Volcanoes of the World: an Illustrated Catalog of Holocene Volcanoes and their Eruptions. Smithsonian Institution, Global Volcanism Program Digital Information Series, GVP-3. ( Web link )
• Volcanoes of USA - John Seach
• Alaska Volcano Observatory for the volcanoes of Alaska
• David R. Sherrod, John M. Sinton, Sarah E. Watkins, Kelly M. Brunt (2007): Geologic Map of the State of Hawaii. US Geological Survey Open-File Report 2007-1089, 83 p., 8 plates, scales 1: 100,000 and 1: 250,000, with GIS database
• California Volcanoes and Volcanics for the volcanoes of California
• Oregon Volcanoes and Volcanic Areas for the volcanoes of Oregon
• Nevada Volcanoes and Volcanics for Nevada's volcanoes

Such as:

1. ^ ^{A b c} Richter, DH, Rosenkrans, DS, and Steigerwald, MJ (1995): Guide to the volcanoes of the western Wrangell mountains, Alaska - Wrangell-St. Elias National Park and Preserve. US Geological Survey Bulletin B 2072 online version (PDF; 9.0 MB)
2. ↑ ^{a b c} Kohala - Hawaiʻi's Oldest Volcano . In: Hawaiian Volcano Observatory . United States Geological Survey . March 20, 1998. Retrieved January 19, 2011.