More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano ...

SEATTLE (AP) — Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington’s Mount Rainier ...

Hundreds of earthquakes have been detected at Mount Rainier so far Tuesday morning in the largest such swarm at the active ...

He said the last Mount Rainier eruption was about 1,000 years ago. Unlike Mount St. Helens, Rainier is not known to be particularly explosive, according to the National Geographic article.