Unusual earthquake activity at Washington’s Mount Adams
Mount Adams rises above Trout Lake on Nov. 24, 2023, in Klickitat County. Mount Adams experienced the most earthquakes — six small magnitude — in one month during September since monitoring at ...
Typically the active volcano has a single earthquake every 2 to 3 years but September has been the most active month since ...
In September, six small earthquakes were detected at Mount Adams, according to the U.S. Geological Survey Cascades Volcano Observatory (CVO) and Pacific Northwest Seismic Network (PNSN).
Mount Adams, about 70 miles north of Portland, is one of the sleepiest active volcanoes in the Cascade Range. A small earthquake every few years is typical. But it’s shaken up expectations ...
“It’s not a very explosive volcano. It doesn’t produce a lot of ash,” said Weiss-Racine. Instead, geologic records suggest ...