List of volcanoes in the United States explained

This article contains a list of volcanoes in the United States and its territories.

Alaska

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	645	2115	51.9878°N -176.5917°W	210,000 ± 5,000 years ago
	1303	4275	54.1344°N -165.9861°W	1996
	1675	5495	59.1572°N -155.3983°W	43,000 ± 8,000 years ago
	488	1601	55.4239°N -163.1492°W	1796
	1066	3497	52.5°N -171.2522°W	1997
	1341	4400	56.8833°N -158.1667°W	1931
	1252	4108	59.3633°N -153.4333°W	2005
	1032	3385	56.5531°N -158.7867°W	1900 BCE ± 150 years
	150	492	53.9333°N -168.0333°W	2017
	656	2152	52.35°N -175.9106°W	Holocene
	5005	16,421	61.385°N -141.7508°W	847
	4996	16,390	61.7317°N -143.4331°W	3.4 million years ago
Buzzard Creek	830	2723	64.0611°N -148.4153°W	1050 BC
	2356	7728	62.43°N -144.1°W	1.02 million years ago^[1]
	1620	5315	52.8939°N -170.0542°W	1987
Chagulak Island	1142	3747	52.5767°N -171.1333°W	Unknown
	2221	7287	57.135°N -156.99°W	1998
	1730	5676	52.825°N -169.9439°W	2020^[2]
	1354	4442	55.6411°N -161.2139°W	1890 BC
	328	1076		Probably Holocene
	2318	7606	58.4178°N -154.4492°W	Probably Holocene
	1954	6409	58.5°N -154.3°W	245,000 years ago
	1239	4065	60.68°N -152.62°W	Pleistocene
	2140	7021	58.8553°N -153.5419°W	Probably Holocene
	1506	4941	55.1681°N -162.2717°W	Holocene
	970	3132	57.05°N -135.75°W	2220 BC ± 100 years
	1436	4711	55.3406°N -164.0786°W	More than 10,000 years ago^[3]
			66.35°N -164.33°W	17,500 years BP
	1112	3648	54.65°N -164.4333°W	1830
	2105	6906	58.77°N -153.6722°W	2006
	1920	6299	55.082°N -162.894°W	Late Pleistocene or later
	1573	5161	51.7903°N -178.7939°W	1989
	818	2684	54.2521°N -165.662°W	Unknown, fumaroles until 1948^[4]
	1740	5709	52.0761°N -176.13°W	Ongoing
	2755	9039	62.1333°N -143.0833°W	Holocene
	2317	7602	58.3539°N -155.0917°W	1790 BC ± 40 years
	3034	9954	61.6403°N -152.4114°W	1200 ± 300 years
	1280	4199	52.7422°N -170.1106°W	Unknown
	3053	10,016	60.0319°N -153.0903°W	1876
	610	2001	65.6°N -163.9167°W	300
	190	623	61.4333°N -164.4667°W	Holocene
Isanotski Peaks	2446	8025	54.765°N -163.7225°W	Unknown
Kagamil Island	893	2930	52.9736°N -169.7167°W	1929
	901	2956	58.6083°N -154.0278°W	1650 BC
	1307	4288	51.9228°N -177.1678°W	2012
	314	1030	52.1775°N -175.5083°W	2008
	2047	6716	58.2797°N -154.9633°W	1912
	1517	4977	58.0258°N -155.6547°W	Unknown
	1575	5167	57.2028°N -156.7453°W	Holocene^[5]
Kiska Volcano	1220	4003		1990
Koniuji Island	273	896	52.2167°N -175.1333°W	1150 BC
	1533	5029	52.3817°N -174.1658°W	2007
	2043	6703	58.4528°N -154.355°W	Holocene^[6]
	1895	6217	56.0111°N -159.7972°W	1987
	673	2208	63.6°N -170.4333°W	Holocene
	1174	3852	51.95°N -178.5431°W	1830
	2165	7103	58.1947°N -155.2528°W	500 BC ± 50 years
	1800	5905	53.8908°N -165.9228°W	1995
	1863	6112	58.1722°N -155.3611°W	1953
	1196	3924	51.9439°N -176.7467°W	1600 BC
	841	2759	58.2667°N -155.1567°W	1912
	511	1676	60.0167°N -166.3333°W	300,000 years ago
	1073	3520	53.4333°N -168.1333°W	2008
St. Michael volcanic field	715	2346	63.45°N -162.1167°W	More recent than 500 BC
Saint Paul Island	203	666	57.1833°N -170.3°W	1280 BC ± 40 years
Mount Pavlof	2519	8264	55.4167°N -161.8875°W	2022
Pavlof Sister	2142	7027	55.4528°N -161.8431°W	1786
Pogromni	2002	6569	54.57°N -164.85°W	Late Pleistocene^[7]
	1054	3458	52.3153°N -172.5917°W	1993
	1984	6509	53.1567°N -168.5389°W	3,000 years ago
	3108	10,197	60.4853°N -152.7419°W	2009
	1871	6138	54.8°N -163.5889°W	9,100-10,000 years ago^[8]
	4949	16,237	62.2167°N -144.1333°W	320,000 years ago
Mount Segula	1160	3806	52.0153°N -178.1356°W	A few hundred years ago
Semisopochnoi Island	1221	4006	51.9333°N -179.5833°W	2023
	560	1837	52.0333°N -174.9333°W	Pleistocene^[9]
	2857	9373	54.7556°N -163.9667°W	Ongoing
	2162	7093	58.3356°N -154.6819°W	1710 ± 200 years
	3374	11,069	61.2994°N -152.2511°W	1992
St. Michael volcanic field	715	2346	63.45°N -162.1167°W	Within 3,000 years
	203	666	57.1833°N -170.3°W	1280 BC ± 40 years
	2272	7454	58.4333°N -154.4°W	Probably Holocene
Stepovak Bay 3	1555	5102	55.9333°N -160°W	Probably Pleiocene
Table Top-Wide Bay	792	2598	53.9681°N -166.6772°W	Holocene^[10]
	1449	4754	51.8728°N -178.0056°W	Last few hundred years^[11]
	1170	3839	52.83°N -169.27°W	Mid-late Holocene^[12]
	1806	5925	51.885°N -178.1458°W	1914
	50	164	55.25°N -133.3°W	Holocene/Post-glacial^[13]
	1864	6115	58.2356°N -155.1°W	1975
	1474	4836	57.7508°N -156.3681°W	1814
	91	299	57.8317°N -156.5097°W	1977
Uliaga Island	888	2913	53.065°N -169.7667°W	Holocene
	2507	8225	56.1667°N -159.3833°W	2021
	2149	7050	53.13°N -168.6931°W	1957
	1654	5426	54.5183°N -164.65°W	1992
	1345	4413	57.0214°N -157.185°W	800 BC ± 500 years
Yunaska Island	550	1804	52.6428°N -170.6286°W	1937
	-	-	63.72°N -141.62°W	Pleistocene
	4766	15,632	61.25°N -141.7°W	700 ± 200 years
	3661	12,010	62.1°N -144.5°W	About 250,000 years ago^[14]
	4091	13,422	62.0178°N -143.6172°W	1 million years ago
	4317	14,163	62°N -144.02°W	1999

American Samoa

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	-	-	-14.6079°N -169.7849°W	Last 8,000 years
	931	3054	-14.23°N -169.454°W	30,000 years ago^[15]
	639	2096	-14.175°N -169.618°W	1866 unnamed submarine cone eruption
	653	2142	-14.295°N -170.7°W	440 CE	440 CE^[16]
	-592	-1842	-14.295°N -170.7°W	2003 west of unnamed submarine caldera and nafauna

Arizona

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
Arlington Cone	-	-	33.3488°N -112.7484°W	-
	-	-	35.3983°N -111.3952°W	-
Colton Crater	2,246	7,368	35.545°N -111.637°W	1075 AD Sunset Crater and Unnamed Fissure vents
	2,426	7,959	35.3428°N -111.4477°W	Pleistocene
	-	-	35.36°N -111.5299°W	-
Maroon Crater	-	-	35.4422°N -111.4702°W	-
Merriam Cone	2,077	6,813	35.3°N -129°W	150,000 years ago
	3,480	11,420	33.9061°N -109.5628°W	8-9 million years ago
	2,834	9,299	35.2411°N -111.5967°W	250,000 years ago
	2428	7965	35.5231°N -111.8756°W	740,000 years ago
	-	-	35.427°N -111.2577°W	400,000 years ago
	3851	12,633	35.3464°N -111.6778°W	92,000 years ago^[17]
	-	-	35.3642°N -111.5031°W	1075 AD ± 25 years
	2141	7021	35.5822°N -111.6319°W	5,500 years ago
Stewart Crater	-	-	35.361°N -111.404°W	-
	1,989	6,526	35.4422°N -111.4702°W	Late Pleistocene
Sunset Crater (San Francisco volcanic field)	2447	8026	35.3642°N -111.5031°W	1075 AD ± 25 years
	-	-	36.2189°N -113.0774°W	1100 AD ± 75 years Little Springs Pyroclastic Cone

California

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
Amboy Crater	-300	-984	-34.5439°N -115.7911°W	23 million years ago 79,000 ± 5,000 years ago
	1259	4131	40.955°N -121.365°W	38,000 ± 7,000 years ago
			37°N -133°W	17,000 years ago
	1939	6362	41.363°N -122.348°W	9,500 years ago
	1174	3852	41.178°N -121.443°W	12,000 years ago
	2397	7863	40.81°N -121.63°W	280,000 ± 6,000 years ago^[18]
	1509	6925	35.25°N -115.75°W	15,000 ± 5,000 years ago
	2105	6907	40.55°N -121.32°W	1666
	2629	8625	37.692°N -119.02°W	1380 CE ± 50 years
Mount Konocti (Clear Lake Volcanic Field)	1312	4305	38.97°N -122.77°W	11,000 years ago
	3189	10,462	40.4881°N -121.505°W	1917
	-	-	40.4917°N -121.5083°W	1917
	3390	11,122	37.6°N -118.8°W	50,000 years ago
	1304	4278	33.9°N -116°W	15.93 ± 0.08 million years ago
	3371	11,059	37.63°N -119.03°W	1260 AD ± 40 years
	2412	7913	41.36°N -121.33°W	1060 AD
	2,796	9,173	37.88°N -119°W	1350 AD ± 20 years
	-	-	36.487°N -121.167°W	23 million years ago
			34.6867°N -116.62°W	770,000 ± 40,000 years ago
	774	2,539	34.7464°N -116.375°W	18,000 ± 5,000 years ago
	2,748	9,015	37.58°N -119.05°W	8,500 years ago
Round Mountain (Clear Lake Volcanic Field)	696		2,294	39.049°N -122.6362°W	10,000 years ago
	538	1,764	37.85°N -122.48°W	10 Million Years Ago^[19]
	1,323	4,342	38.67°N -122.63°W	3.4 million years ago
	4,317	14,162	41.409°N -122.193°W	1250
	650	2,130	39.2057°N -121.8203°W	1.5 million years ago
Tumble Buttes	2,191	7,188	40.68°N -121.55°W	10,000 – 15,000 years ago^[20]
	1631	5351	40.78°N -121.6°W	10,000 to 15,000 years ago
Ubehebe Craters	752	2467	37.02°N -117.45°W	150 BC

Colorado

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	2,230	7,316	39.661°N -107.056°W	2200 BC ± 300 years
	4,274	14,022	37.7267°N -106.7744°W	26.3 Ma
	3,946	12,945	40.4694°N -105.895°W	24 to 29 million years ago
Summer Coon	-	-	37.7808°N -106.3692°W	24 to 34 million years ago

Hawaii

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	232	761	21.2597°N -157.8117°W	400,000 to 500,000 years ago
Haleakalā or East Maui Volcano	3055	10,023	20.71°N -156.25°W	1750
	196	642		10,000 - 32,000 years ago
	2521	8270	19.69°N -155.87°W	1801
	462	1,516		35000 or 76000 years ago.
	-	-		Pleistocene Epoch
	450	1475	20.6°N -156.6°W	1 million years ago
	150	490	21.1878°N -156.9661°W	230,000-300,000 years ago
	1,598	5,243	22.0567°N -159.4967°W	4 million years ago
	1247	4091	19.452°N -155.292°W	2024
	1670	5480	20.0861°N -155.7172°W	120,000 years ago
	-	-	35.25°N 206°W	50 million years ago
	368	1207	21.2616°N -157.7029°W	10,000 years ago
	941	3149	21.37°N -157.8°W	40,000 years ago
	1,026	3,366	20.8333°N -212°W	1.2 million years ago
Kamaʻehuakanaloa Seamount (Loihi)	-975	-3199	18.92°N -155.25°W	1996
Māhukona	-	-	20.1°N -156.1°W	About 470,000 years ago
	4208	13,796	19.8°N -155.5°W	2460 BC ± 100 years
	4169	13,679	19.5°N -155.6°W	2022
Mount Waialeale	1,544	5,066	22.0739°N -159.4986°W	-
Puʻu Hawaiʻiloa	103	337	21.4481°N -157.7567°W	-
Punchbowl Crater	-	-	21.3125°N -157.8461°W	400,000 to 500,000 years ago
	201	659	21.4544°N -157.7317°W	-
Waianae Range	1342	4,025	21.5069°N -158.1428°W	2.6 million years ago
	1,764	5,788	20.8936°N -156.5894°W	320,000 years ago

Idaho

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	2298	7540	43.24°N -113.01°W	300,000 years ago
Blue Creek	-	-	-	-
	2005	6578	43.42°N -113.5°W	130 BC ± 50 years
	2805	9203	44.471°N -110.5019°W	70,000 years ago (magmatic) / 1350 BC ± 200 years (hydrothermal)^[21]
Juniper Buttes	1905	6250	44.2°N -111.53°W	-
	1713	5619	43.6°N -111.5°W	10,000 years ago
Shoshone Volcano	-	-	-	-
	-	-		-
	-	-		-

Mississippi

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	-880 (from surface)	-2900	32.3°N -90.1719°W	65 million years ago
	-1110 (from surface)	-3641		66 million years ago

Nevada

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
Cottonwood Caldera	-	-	-	15.70 million years ago
Crater Flat (Southwest Nevada Volcanic Field)	-	-	36.7833°N -150°W	80,000 years ago
Indian Peak-Caliente Caldera Complex	-	-	38°N -114°W	18 million years ago
	-	-	39.9333°N -170°W	Jurassic
	-	-	38°N -116°W	38,100 ± 10,000 years ago
McDermitt Caldera	2078	6816	42.0014°N -117.9967°W	16.39 ± 0.02 million years ago
	1415	4642	39.375°N -119.72°W	1.14 million years ago
	1251	4104	39.8833°N -146°W	Holocene
Virgin Valley Caldera	-	-	-	16.38 million years ago
	2044	6707	36.9333°N -145°W	80,000 years ago

New Hampshire

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	-	-	43.1108°N -71.1864°W	Cretaceous
	-	-	43.7436°N -71.2739°W	Cretaceous

New Mexico

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	1,840	6,030	35.1414°N -106.7719°W	70,000-170,000 years ago
	2,494	8,182	36.7889°N -103.9617°W	58,000–52,000 years ago
	1,731	5,679	33.78°N -105.93°W	3,250 BC ± 500 years ago
	664	2,178	35.7°N -106.2°W	2.2 million years ago
	3,525	-	35.88°N -106.53°W	60,000-50,000 years ago
	1,565	5,136	33.5333°N -158°W	760,000 years ago
	1,555	4,240	31.97°N -106.97°W	80,000 years ago
	2,445	11,300	35.2386°N -107.6083°W	1,500,000 years ago
	2,188	7,177	36.6875°N -108.8361°W	27 million years ago
	3,652	11,981	33.3742°N -105.8086°W	26 million years ago
	3,430	11,253	35.87°N -106.57°W	50,000 to 60,000 years ago
	2,550	8,366	34.8°N -108°W	1,170 BC ± 300 years

North Carolina

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	-	-	36.0733°N -78.9811°W	630 million years ago^[24]
	1517.904	4980	36.5748°N -81.653°W	760 million years ago^[25]

Northern Mariana Islands

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	965	3165	18.8°N 145.7°W	1917
	-137	-449	20.42°N 145.03°W	2023
	744	2441	17.6°N 145.83°W	1887
	788	2592	16.35°N 145.67°W	2008
	857	2810	19.7°N 145.4°W	1906
	-323	-1060	21.32°N 144.19°W	Holocene
Eifuku	-1535	-5036	21.485°N 144.043°W	Holocene
East Diamante	-127	-417	15.93°N 145.67°W	Holocene
Esmeralda Bank	-43	-141	15°N 145.25°W	Holocene
	360	1,180	20.5°N 144.9°W	1967
	-1456	-4777	13.4°N 143.92°W	Holocene
	-217	-712	21.93°N 143.47°W	1974
	287	942	17.32°N 145.83°W	1883
	-598	-1962	21.765°N 143.71°W	1959
	227	745	20.02°N 145.22°W	Pleistocene
Northwest Rota-1	-517	-1696	14.601°N 144.775°W	2004
	570	1870	18.1°N 145.76°W	2021
	-230	-755	15.62°N 145.57°W	2023
	538	1765	16.708°N 145.78°W	Unknown
	-1230	-4035	13.25°N 144.02°W	Holocene
	-184	-604	16.58°N 145.78°W	2010
	-8	-26	20.13°N 145.1°W	1989
	0	0	16.88°N 145.85°W	Holocene

Oregon

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	2,763	9,064	43.9794°N -121.6885°W	5800 BC ± 750 years
Bald Mountain Caldera	-	-	43.4167°N -146°W	3.4 to 4.6 million years ago
	2,551	8,368	43.1551°N -122.22°W	11,000 to 100,000 years ago
	2,095	6,873	44.2849°N -121.8422°W	480 AD
	1,962	6,436	44.3997°N -121.6355°W	About 1,430,000 years ago
	1,230	4,035	44.411°N -121.774°W	680 AD ± 200 years
	2,800	9,185	44.0828°N -121.6997°W	About 100,000 years ago
	-	-	42.36°N -122.27°W	12,000 to 60,000 years ago
	1956	6417	43.241°N -122.108°W	4855 BC to 9,000 BC
	-	-	-	6.0 million years ago
Crater Lake (Mount Mazama)	2,487	8,159	42.93°N -122.12°W	2850 BC
	-	-	44.3°N -120.9°W	29.5 million years ago
	1,450	4,750	43.1°N -118.7°W	5610 BC ± 470 years
	2,665	8,744	43.5207°N -122.1496°W	11,000 to 100,000 years ago
	1,716	5,628	43.3742°N -121.0689°W	13,500 to 18,000 years ago
	-	-	44.5°N -121.3°W	29.5 million years ago
	3,426	11,237	45.3735°N -121.6959°W	1866 ^[26]
	1,418	4,652	42.606°N -117.589°W	Holocene
	3199	10,492	44.7°N -121.8°W	950 AD
	1400	4600	43.147°N -117.46°W	1250 BC or later
	2,380	7,810	43.6269°N -121.9639°W	Pleistocene
	2,078	6,816	-	16.39 ± 0.02 million years ago
	-	-	43.235°N -117.2559°W	15.5 million years ago
	2,894	9,492	42.4445°N -122.3156°W	20,000 to 30,000 years ago
	3,063	10,050	44.15°N -168°W	14,000 years ago
	2,434	7,986	43.7°N -121.5°W	690 AD ± 100 years
	3,075	10,090	44.1667°N -167°W	46,000 years ago
	2,200	7,219	44.8217°N -121.7639°W	11,000 years ago or earlier
	-	-	42.51°N -122.06°W	60,000 years ago or earlier
	-	-	45.5467°N -122.5659°W	30,000 to 90,000 years ago
Round Butte	-	-	44.5°N -121°W	-
Saddle Butte	1,700	-	43°N -117.8°W	430,000 ± 90,000 years ago
	3,158	10,360	44.1°N -167°W	50 BC
Strawberry Volcanics	-	-	44.2°N -118.8°W	12.5 to 16.2 million years ago
	298	978	45.4381°N -122.7224°W	1 million years ago or earlier
	-	636	45.5129°N -122.5926°W	300,000 years ago or earlier
	2,800	9,184	43.1528°N -122.0665°W	290,000 years ago
	2,390	7,840	44.4783°N -121.8414°W	40,000 to 80,000 years ago
Tower Mountain (Oregon)	-	-	-	22.0 million years ago
	2,376	7,790	44.332°N -121.837°W	700 AD
Wildcat Mountain Caldera	-	-	-	36.0 million years ago

Texas

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	169	576	30.162°N -97.706°W	79 to 83 million years ago (late Cretaceous)
	125	410	29.181°N -99.766°W	Eocene or possibly Miocene

Utah

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	2,135	7,005	37.328°N -112.408°W	300,000 years ago or later
	1,800	5,904	38.97°N -112.5°W	1290 AD ± 150 years
	1,609	5,279	39.615°N -112.803°W	900,000 years ago
Indian Peak-Caliente Caldera Complex	-	-	38°N -114°W	18 million years ago
	3,694	12,137	38.5°N -112.5°W	19 million years ago
	2,840	9,318	37.617°N -112.825°W	1050 AD
	1,465	4,806	37.257°N -113.625°W	32,000 years ago

Virginia

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	577	1,893	38.4486°N -78.9533°W	47 million years ago (early Eocene)
	952	3,123	38.4047°N -79.5878°W	35 million years ago (late Eocene)
	1,750	5,730	36.6597°N -81.5444°W	760 million years ago (Tonian)
	354	1,162	38.6572°N -78.06°W	704 million years ago (Cryogenian)

Washington

Name	Elevation		Location	Last eruption
	meters	feet	Coordinates
	229	750	45.8053°N -122.6581°W	105,000 years ago
	2,857	9,373	48.7693°N -121.8526°W	500,000 to 300,000 years ago
	3,743	12,281	46.2025°N -121.4908°W	500 BC ± 1000 years
	3,285	10,778	48.7772°N -121.8133°W	1880
	3,213	10,541	48.1125°N -121.1139°W	1700 ± 100 years
	2,494	8,184	46.5°N -121.45°W	500,000 years ago
	1,513	5,925	45.93°N -121.82°W	~6250 BC
	1457	4,780	46.0544°N -121.8392°W	Either 80,000 or 140,000 years ago ± 10,000 years
	1,378	4,521	45.9°N -122°W	~7700 years ago
	4,392	14,411	46.8531°N -121.7597°W	1894
	2,550	8,364	46.1911°N -122.1942°W	2008
	1,270	4,167	47.5075°N -121.74°W	Cretaceous to Jurassic
	549	1,801	47.1736°N -121.9733°W
	1,330	4,364	45.7477°N -122.239°W	Pluton formed 20 million years ago
	1954	6,410	46.1°N -120.9°W	631,000 ± 27,000 years ago
	890	2,920	45.8365°N -121.9948°W	340,000 years ago
	611	2,004	45.9341°N -122.337°W	70,000 years ago
	1,329	4,360	45.88°N -122.08°W	5750 BC
	1,830	6,002	48.05°N -121.17°W	Between 17,000 and 2,000 years ago

See also

• Geothermal energy in the United States
• List of Cascade volcanoes
• List of large volume volcanic eruptions in the Basin and Range Province
  • List of volcanoes in Canada List of volcanoes in Mexico
• List of volcanoes in Russia
• List of volcanic craters in Alaska
• List of volcanic craters in Arizona
• List of lava flows in Arizona
• List of Yellowstone geothermal features
• National Volcano Early Warning and Monitoring System
• United States Geological Survey National Volcanic Threat Assessment

External links

• 2018 Update to the U.S. Geological Survey National Volcanic Threat Assessment - maps and ratings for each potentially active volcano

Notes and References

1. Web site: Capital – Historic eruptions. www.avo.alaska.edu. June 8, 2018.
2. Web site: Cleveland – Introduction. October 1, 2014. September 15, 2022. https://web.archive.org/web/20220915055427/https://avo.alaska.edu/volcanoes/volcinfo.php?volcname=Cleveland. dead.
3. Web site: USGS DDS-40, Volcanoes of the Alaska Peninsula and Aleutian Islands – Album. pubs.usgs.gov. June 13, 2018.
4. Web site: gilbert – Introduction. avo.alaska.edu. June 13, 2018.
5. Web site: Global Volcanism Program Kialagvik. volcano.si.edu. en. June 14, 2018.
6. Web site: Global Volcanism Program Kukak. volcano.si.edu. en. June 14, 2018.
7. Web site: Westdahl Peak description and information. www.avo.alaska.edu. June 17, 2018.
8. Web site: Roundtop – Historic eruptions. https://web.archive.org/web/20180617092937/https://www.avo.alaska.edu/volcanoes/activity.php?volcname=Roundtop&page=basic&eruptionid=3011. dead. June 17, 2018. www.avo.alaska.edu. June 17, 2018.
9. Web site: Global Volcanism Program Sergief. volcano.si.edu. en. June 17, 2018.
10. Web site: Wide Bay cone – Introduction. www.avo.alaska.edu. June 17, 2018.
11. Jicha . Brian . Coombs . Michelle . Michelle Coombs . 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 . 2012GSAB..124..842J . 10.1130/B30472.1.
12. Web site: Tana. www.volcanodiscovery.com. June 17, 2018.
13. Web site: Global Volcanism Program Tlevak Strait-Suemez Is.. volcano.si.edu. en. June 17, 2018.
14. 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. en. 56. 1. 29–46. 10.1007/bf00279727. 1994BVol...56...29R. 128820426. 0258-8900.
15. Book: Geology of National Parks. Harris. Ann G.. Tittle. Esther. Tittle. Sherwood D.. 2004. Kendall Hunt. 9780787299705. en.
16. Web site: Global Volcanism Program Tutuila . 2023-09-11 . Smithsonian Institution Global Volcanism Program . en.
17. Web site: San Francisco Peaks Geology. www.snowbowl.ski. en-US. August 15, 2018.
18. Web site: Geologic Field-Trip Guide to Lassen Volcanic National Park and Vicinity, California. Muffler. L.J. Patrick. Clynne. Michael A.. 2015. United States Geological Survey. 21. July 8, 2018.
19. Web site: Exploring Volcanic Remnants in the Bay Area. JOHN. McKINNEY. March 25, 2001. LA Times.
20. Web site: Global Volcanism Program Tumble Buttes. volcano.si.edu. en. 2018-06-29.
21. 325010 . Yellowstone. December 31, 2008.
22. Web site: Illinois State Geological Survey Formation of Hicks Dome in Southern Illinois | ISGS .
23. Web site: Latent Thermal Effects from Porcupine Volcanic Calderas Underlying the White Pine Straitform Copper Mineralization). www.researchgate.net. en. Sep 5, 2019.
24. https://files.nc.gov/ncdeq/Energy%20Mineral%20and%20Land%20Resources/Geological%20Survey/informationcirculars/Geologic_Adventure_along_the_Eno_River_IC35.pdf
25. https://sites.radford.edu/~fldsch/RUFieldschool/formationpages/Mt.%20Rogers%20Fm/MtRogers.html
26. Web site: Global Volcanism Program – Hood.