Which volcanoes in the conterminous United States have erupted since the Nation was founded?
Excluding steam eruptions, these volcanoes have shown activity:
- Mount St. Helens, Washington - Eruptions and/or lava dome growth occurred in the late 1700s, 1800-1857, 1980-1986, and 2004-2008.
- Lassen Peak, California - A series of steam blasts began on May 30, 1914. An eruption occurred 12 months later on May 21, 1915. Minor activity continued through the middle of 1917.
- Mount Hood, Oregon - After being dormant for over 1,000 years, Mount Hood had an eruptive period beginning in 1781 that lasted for about a decade. In the mid-1800s, local residents reported minor explosive activity.
Related Content
Filter Total Items: 13
Geologic history of Mount Hood Volcano, Oregon: A field-trip guidebook
No abstract available.
Authors
W. E. Scott, C. A. Gardner, D. R. Sherrod, R. I. Tilling, M. A. Lanphere, R. M. Conrey
Related Content
Filter Total Items: 13
Geologic history of Mount Hood Volcano, Oregon: A field-trip guidebook
No abstract available.
Authors
W. E. Scott, C. A. Gardner, D. R. Sherrod, R. I. Tilling, M. A. Lanphere, R. M. Conrey