volcanoes Volcanoes in the United States  

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There are more volcanoes in America and Canada than most people realize. If you count all types: dormant, active, inactive, and extinct, the list of volcanoes in the United States is actually pretty long. A volcano is a rip in the earth's crust typically found along the ridges where tectonic plates converge and diverge. Most volcanoes in North America are located along the west coast along the intersection of the Pacific plate and continental North American tectonic plate. Mount St. Helens (which famously erupted in 1980) and Mount Rainier are the most well-known North American volcanoes– both are active and located in Washington state, but there are many more active volcanoes up in Alaska and down in Hawaii.

No list of volcanoes in the U.S. would be complete without a mention of the Yellowstone Caldera, a supervolcano that is a popular location for doomsday theorists as it could effectively destroy the USA if it ever went off. Fortunately for North American residents, volcanoes can remain dormant for eons. The Yellowstone Caldera hasn't erupted for 640,000 years, which would qualify it to be added to the list of extinct volcanoes. 

What are the volcanoes in the United States? Take a look here and you'll see for yourself.

1
Kilauea is listed (or ranked) 1 on the list Volcanoes in the United States
Kilauea Hawaii, USA - Last Erupted in: 2010

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2
Mount Redoubt is listed (or ranked) 2 on the list Volcanoes in the United States
Mount Redoubt North America - Last Erupted in: 2009

3
Mount Okmok is listed (or ranked) 3 on the list Volcanoes in the United States
Mount Okmok Umnak, Alaska, USA - Last Erupted in: 2008

4
Mount Cleveland is listed (or ranked) 4 on the list Volcanoes in the United States
Mount Cleveland North America - Last Erupted in: 2008

5
Mount St. Helens is listed (or ranked) 5 on the list Volcanoes in the United States
Mount St. Helens Washington, USA - Last Erupted in: 2008

6
Kasatochi Island is listed (or ranked) 6 on the list Volcanoes in the United States
Kasatochi Island Aleutian Islands, Alaska, USA - Last Erupted in: 2008

7
Mount Pavlof is listed (or ranked) 7 on the list Volcanoes in the United States
Mount Pavlof North America - Last Erupted in: 2007

8
Lōʻihi Seamount is listed (or ranked) 8 on the list Volcanoes in the United States
Lōʻihi Seamount Hawaii, USA - Last Erupted in: 2007

9
Anatahan is listed (or ranked) 9 on the list Volcanoes in the United States
Anatahan Pacific Ocean - Last Erupted in: 2006

10
Mount Veniaminof is listed (or ranked) 10 on the list Volcanoes in the United States
Mount Veniaminof North America - Last Erupted in: 2006

11
Fourpeaked is listed (or ranked) 11 on the list Volcanoes in the United States
Fourpeaked Last Erupted in: 2006

12
Korovin Volcano is listed (or ranked) 12 on the list Volcanoes in the United States
Korovin Volcano Last Erupted in: 2006

13
Mount Augustine is listed (or ranked) 13 on the list Volcanoes in the United States
Mount Augustine Maryland, USA - Last Erupted in: 2005

14
Mount Shishaldin is listed (or ranked) 14 on the list Volcanoes in the United States
Mount Shishaldin North America - Last Erupted in: 2004

15
Northwest Rota-1 is listed (or ranked) 15 on the list Volcanoes in the United States
Northwest Rota-1 Last Erupted in: 2004

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16
Ahyi is listed (or ranked) 16 on the list Volcanoes in the United States
Ahyi Last Erupted in: 2001

17
Mount Wrangell is listed (or ranked) 17 on the list Volcanoes in the United States
Mount Wrangell North America - Last Erupted in: 1999

18
Mount Chiginagak is listed (or ranked) 18 on the list Volcanoes in the United States
Mount Chiginagak North America - Last Erupted in: 1998

19
Mount Amukta is listed (or ranked) 19 on the list Volcanoes in the United States
Mount Amukta Amukta, Alaska, USA - Last Erupted in: 1997

20
Gorda Ridge is listed (or ranked) 20 on the list Volcanoes in the United States
Gorda Ridge Last Erupted in: 1996

21
Mount Akutan is listed (or ranked) 21 on the list Volcanoes in the United States
Mount Akutan Akutan Island, Alaska, USA - Last Erupted in: 1996

22
Mount Makushin is listed (or ranked) 22 on the list Volcanoes in the United States
Mount Makushin Last Erupted in: 1995

23
Mount Kanaga is listed (or ranked) 23 on the list Volcanoes in the United States
Mount Kanaga Kanaga Island, Alaska, USA - Last Erupted in: 1995

24
Pagan is listed (or ranked) 24 on the list Volcanoes in the United States
Pagan Northern Mariana Islands - Last Erupted in: 1993

25
Mount Seguam is listed (or ranked) 25 on the list Volcanoes in the United States
Mount Seguam Seguam Island, Alaska, USA - Last Erupted in: 1993

26
Mount Spurr is listed (or ranked) 26 on the list Volcanoes in the United States
Mount Spurr North America - Last Erupted in: 1992

27
Bogoslof Island is listed (or ranked) 27 on the list Volcanoes in the United States
Bogoslof Island Aleutian Islands, Alaska, USA - Last Erupted in: 1992

28
Mount Westdahl is listed (or ranked) 28 on the list Volcanoes in the United States
Mount Westdahl Unimak Island, Alaska, USA - Last Erupted in: 1992

29
Mount Kiska is listed (or ranked) 29 on the list Volcanoes in the United States
Mount Kiska Last Erupted in: 1990

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30
Gareloi Volcano is listed (or ranked) 30 on the list Volcanoes in the United States
Gareloi Volcano Alaska, USA - Last Erupted in: 1989

31
Supply Reef is listed (or ranked) 31 on the list Volcanoes in the United States
Supply Reef Northern Mariana Islands - Last Erupted in: 1989

32
Mount Kupreanof is listed (or ranked) 32 on the list Volcanoes in the United States
Mount Kupreanof Alaska, USA - Last Erupted in: 1987

33
Mount Semisopochnoi is listed (or ranked) 33 on the list Volcanoes in the United States
Mount Semisopochnoi Last Erupted in: 1987

34
Mount Carlisle is listed (or ranked) 34 on the list Volcanoes in the United States
Mount Carlisle Carlisle Island - Last Erupted in: 1987

35
Mauna Loa is listed (or ranked) 35 on the list Volcanoes in the United States
Mauna Loa Hawaiian Islands, Kingdom of Hawaii - Last Erupted in: 1984

36
Ukinrek Maars is listed (or ranked) 36 on the list Volcanoes in the United States
Ukinrek Maars Becharof National Wildlife Refuge, Alaska, USA - Last Erupted in: 1977

37
Trident Volcano is listed (or ranked) 37 on the list Volcanoes in the United States
Trident Volcano Last Erupted in: 1975

38
Great Sitkin is listed (or ranked) 38 on the list Volcanoes in the United States
Great Sitkin Last Erupted in: 1974

39
Farallon de Pajaros is listed (or ranked) 39 on the list Volcanoes in the United States
Farallon de Pajaros Mariana Islands - Last Erupted in: 1967

40
Mount Vsevidof is listed (or ranked) 40 on the list Volcanoes in the United States
Mount Vsevidof North America - Last Erupted in: 1957

41
Mount Martin is listed (or ranked) 41 on the list Volcanoes in the United States
Mount Martin Katmai National Park and Preserve, Alaska, USA - Last Erupted in: 1953

42
Mount Yunaska is listed (or ranked) 42 on the list Volcanoes in the United States
Mount Yunaska Last Erupted in: 1937

43
Mount Aniakchak is listed (or ranked) 43 on the list Volcanoes in the United States
Mount Aniakchak Aniakchak National Monument and Preserve, Alaska, USA - Last Erupted in: 1931

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44
Mount Kagamil is listed (or ranked) 44 on the list Volcanoes in the United States
Mount Kagamil Last Erupted in: 1929

45
Lassen Peak is listed (or ranked) 45 on the list Volcanoes in the United States
Lassen Peak California, USA - Last Erupted in: 1917

46
Lassen Volcanic Center is listed (or ranked) 46 on the list Volcanoes in the United States
Lassen Volcanic Center Last Erupted in: 1917

47
Mount Tanaga is listed (or ranked) 47 on the list Volcanoes in the United States
Mount Tanaga Last Erupted in: 1914

48
Novarupta is listed (or ranked) 48 on the list Volcanoes in the United States
Novarupta Katmai National Park and Preserve, Alaska, USA - Last Erupted in: 1912

49
Mount Katmai is listed (or ranked) 49 on the list Volcanoes in the United States
Mount Katmai Katmai National Park and Preserve, Alaska, USA - Last Erupted in: 1912

50
Alamagan is listed (or ranked) 50 on the list Volcanoes in the United States
Alamagan Northern Mariana Islands - Last Erupted in: 1887