Unusual earthquake activity at Washington’s Mount Adams
Typically the active volcano has a single earthquake every 2 to 3 years but September has been the most active month since ...
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 ...