Eruptions in the Cascade Range During the Past 4,000 Years

Mt. St. Helens crater and landslide in 1980

ERN Item Type: 

  • Curriculum Materials

Organization: 

United States Geological Survey (USGS)

Description: 

Volcanoes have been erupting in the Cascade Range for over 500,000 years. During the past 4,000 years eruptions have occurred at an average rate of about 2 per century. This chart shows 13 volcanoes on a map of Washington, Oregon, and northern California and time lines for each showing the ages of their eruptions.

Publication Year: 

2008

Grade Level: 

Tags: 

Earth Science Big Ideas: 

Is this tagged to NGSS by the organization?: 

No

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