About U.S. Volcanoes
![Mount St. Helens erupting on July 22, 1980](https://webarchive.library.unt.edu/web/20120927221813im_/http://volcanoes.usgs.gov/images/150/msh19800722.gif)
There are over 160 U.S. volcanoes that have erupted in the past 10,000 years. Listed below are many of our monitored volcanoes with links to additional information. Over the next few years, we will be updating our volcano pages to provide links to images, publications, hazard assessments, and monitoring data.
Alphabetical list of U.S. Volcanoes
- Agrigan - Mariana Islands, Mariana Islands
- Akutan - Alaska, Aleutian Islands
- Anatahan - Mariana Islands, Mariana Islands
- Aniakchak - Alaska, Alaska Peninsula
- Augustine - Alaska, Alaska (southwestern)
- Clear Lake - Western US, CA
- Crater Lake - Western US, OR
- Dutton - Alaska, Alaska Peninsula
- Fisher - Alaska, Aleutian Islands
- Fourpeaked - Alaska, Alaska Peninsula
- Gareloi - Alaska, Aleutian Islands
- Glacier Peak - Western US, WA
- Great Sitkin - Alaska, Aleutian Islands
- Griggs - Alaska, Alaska Peninsula
- Haleakala - Hawaii and Pacific Ocean, HI
- Hualalai - Hawaii and Pacific Ocean, HI
- Iliamna - Alaska, Alaska (southwestern)
- Inyo Craters - Western US, CA
- Isanotski - Alaska, Aleutian Islands
- Kanaga - Alaska, Aleutian Islands
- Katmai - Alaska, Alaska Peninsula
- Kilauea - Hawaii and Pacific Ocean, HI
- Korovin - Alaska, Aleutian Islands
- Lassen Volcanic Center - Western US, CA
- Loihi - Hawaii and Pacific Ocean, HI
- Long Valley Caldera - Western US, CA
- Mageik - Alaska, Alaska Peninsula
- Makushin - Alaska, Aleutian Islands
- Mammoth Mountain - Western US, CA
- Martin - Alaska, Alaska Peninsula
- Mauna Kea - Hawaii and Pacific Ocean, HI
- Mauna Loa - Hawaii and Pacific Ocean, HI
- Medicine Lake Volcano - Western US, CA
- Mono Lake Volcanic Field - Western US, CA
- Mount Adams - Western US, WA
- Mount Baker - Western US, WA
- Mount Hood - Western US, OR
- Mount Jefferson - Western US, OR
- Mount Rainier - Western US, WA
- Mount Shasta - Western US, CA
- Mount St. Helens - Western US, WA
- Newberry Volcano - Western US, OR
- North Sister Field - Western US, OR
- Novarupta - Alaska, Alaska Peninsula
- Okmok - Alaska, Aleutian Islands
- Pavlof - Alaska, Alaska Peninsula
- Redoubt - Alaska, Alaska (southwestern)
- Shishaldin - Alaska, Aleutian Islands
- Snowy Mountain - Alaska, Alaska Peninsula
- South Sister - Western US, OR
- Spurr - Alaska, Alaska (southwestern)
- Tanaga - Alaska, Aleutian Islands
- Trident - Alaska, Alaska Peninsula
- Ugashik-Peulik - Alaska, Alaska Peninsula
- Veniaminof - Alaska, Alaska Peninsula
- Westdahl - Alaska, Aleutian Islands
- Wrangell - Alaska, Alaska (eastern)
- Yellowstone - Western US, WY