All but two on the west coast - ring of fire!

Of the 161 young and active U.S. volcanoes listed in the report, 18 were designated a “very high threat,” and 39 were listed as posing a “high threat.” The remaining 104 volcanoes had threat levels that were either moderate, low, or very low. Here are the 18 most dangerous volcanoes in the United States, according to the new report:

1. Mount Kilauea, Hawaii
2. Mount St. Helens, Washington
3. Mount Rainier, Washington
4. Redoubt Volcano, Alaska
5. Mount Shasta, California
6. Mount Hood, Oregon
7. Three Sisters, Oregon
8. Akutan Island, Alaska
9. Makushin Volcano, Alaska
10. Mount Spurr, Alaska
11. Lassen volcanic center, California
12. Augustine Volcano, Alaska
13. Newberry Volcano, Oregon
14. Mount Baker, Washington
15. Glacier Peak, Washington
16. Mauna Loa, Hawaii
17. Crater Lake, Oregon
18. Long Valley Caldera, California

Lassen last erupted in 1915, the blink of an eye in geologic time.

As seen from Red Bluff