Active Volcanoes in the Continental United States
| Name | Location |
Elevation above Sea Level Continuous 48 states |
Last Activity |
Current Activity | Type Of Volcano |
| Bandera
Field Bandera Crater McCarty Flow
|
New Mexico |
150 feet and
|
3, 000 years to After 700 A.D. |
Dormant
|
Cinder
Cone
Basalt Flows |
| San Francisco Field San Francisco Mountain | Arizona |
12,633 |
Between about 1 and 0.4 million years ago | Dormant | Cinder Cone Strata |
| Clear Lake |
|
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| Crater Lake | |||||
| Craters of the Moon | |||||
| Coso | |||||
| Glacier Peak | Washington |
10,451 |
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| Long Valley Caldera | California |
11,122 feet |
Catastrophic Eruption About 730,000 years ago - 500 - 600 years ago | Thousands of small quakes with 5 daily tremors | Depression Caldera |
| Lassen Peak | California | May 1912 - 1917 with 12 months of 150 explosions | Active | Cinder Cone | |
| Medicine Lake | |||||
| Mount Adams | |||||
| Mount Baker | Washington |
10,778 Feet |
|
Heat emission increased markedly in crater area in 1975. Considered active | Cinder Cone Strata |
| Mount Hood | about 1,800 and 200 years ago |
Considered Active |
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| Mount Jefferson |
Considered Active |
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| Mount Rainier | Washington |
14, 400 feet |
about 600 years ago |
Considered Active |
|
| Mount St Helens | Washington |
1980 |
Considered Active |
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| Mount Shasta | California | Last three eruptions 750 years |
Considered Active |
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| Newberry Crater | |||||
| Yellowstone |
 |
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|
Hawaii |
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|
Alaska |
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