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

While considered an active volcano, Mount Rainier hasn’t erupted in at least a century, possibly much longer. The U.S ...

Hundreds of small earthquakes have rattled Mount Rainier this week in the largest swarm of tremors in more than a decade.

Mount Rainier is considered an active volcano and has not had a significant eruption in the past 500 years. However, it is potentially the most dangerous volcano in the Cascade Range due to its height ...

A "swarm" of earthquakes began at Mount Rainier in Washington in the early morning hours on Tuesday with hundreds of quakes detected so far, making it the largest such event at the volcano since 2009.

The last significant earthquake at Mount Rainier occurred in 2009, and rumbled on for three days. More than 1,000 seismic events were recorded with the most substantial registering a 2.3 magnitude.

Mount Rainier experienced its largest earthquake swarm since 2009 on Tuesday. USGS reported hundreds of small quakes under the surface near the stratovolcano's summit . The agency said there was ...

Hundreds of small earthquakes were detected at Mount Rainier on Tuesday in the largest such swarm at the active stratovolcano since 2009, according to the U.S. Geological Survey.

Mt. Rainier will experience about nine quakes in a typical month. The last big quake swarm was in 2009 and measured over 1,000 quakes over three days, peaking at magnitude 2.3.

Now that that’s out of the way, the Cascades Volcano Observatory with the U.S. Geological Survey said Tuesday morning that a “swarm of earthquakes” had been detected at Mount Rainier ...