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Eruptions of Lassen Peak, California, 1914 to 1917

Fact Sheet 173-98

Produced in cooperation with the National Park Service, Lassen Association, and the U.S. Forest Service
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Abstract

On May 22, 1915, an explosive eruption at Lassen Peak, California, the southernmost active volcano in the Cascade Range, devastated nearby areas and rained volcanic ash as far away as 200 miles to the east. This explosion was the most powerful in a 1914–17 series of eruptions that were the last to occur in the Cascades before the 1980 eruption of Mount St. Helens, Washington. Recent work by scientists with the U.S. Geological Survey (USGS) in cooperation with the National Park Service is shedding new light on these eruptions.

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Eruptions of Lassen Peak, California, 1914 to 1917
Series title:
Fact Sheet
Series number:
173-98
Year Published:
1999
Language:
English
Publisher:
U.S. Geological Survey
Description:
2 p.
Number of Pages:
2
Time Range Start:
1914-01-01
Time Range End:
1917-12-31
Country:
United Staets
State:
California
Other Geospatial:
Lassen Peak
Online Only (Y/N):
N
Additional Online Files(Y/N):
N