Typically the active volcano has a single earthquake every 2 to 3 years but September has been the most active month since ...
“It’s not a very explosive volcano. It doesn’t produce a lot of ash,” said Weiss-Racine. Instead, geologic records suggest ...
The quakes are unusual for the volcano, where only one earthquake is typically recorded every two to three years.
W ashington’s Mount Adams has seen some pretty unusual activity as of late, the US Geological Survey (USGS) has announced.