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Science

Science related to Mount Hood.

Geology and History

Geology and History

Hazards

Hazards

Volcano Monitoring

Volcano Monitoring

FAQs

Are there earthquakes associated with Mount Hood? Are there earthquakes associated with Mount Hood?

Mount Hood is one of the most seismically active volcanoes in the Washington and Oregon Cascades, and the most seismically active volcano in Oregon. In an average month 1-2 earthquakes are located within 5 km (3 miles) of the summit. Earthquakes large enough to be felt occur on Mount Hood every two years on average. Seismic monitoring, in effect since 1977, indicates a generalized concentration of...
Are there earthquakes associated with Mount Hood?

Are there earthquakes associated with Mount Hood?

Mount Hood is one of the most seismically active volcanoes in the Washington and Oregon Cascades, and the most seismically active volcano in Oregon. In an average month 1-2 earthquakes are located within 5 km (3 miles) of the summit. Earthquakes large enough to be felt occur on Mount Hood every two years on average. Seismic monitoring, in effect since 1977, indicates a generalized concentration of...
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