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

Seismicity has decreased” from 30 events per hour at the peak to a few per hour as of Saturday morning, the U.S. Geological Survey said Saturday.

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

The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009 ...

Can the earthquake swarm cause a volcanic eruption? The Cascades Volcano Observatory states that Mount Rainier is not "due" for an eruption and no signs point to an eruption at this time.

Can the earthquake swarm cause a volcanic eruption? The Cascades Volcano Observatory states that Mount Rainier is not "due" for an eruption and no signs point to an eruption at this time.

Mount Rainier is an active stratovolcano 45 miles southeast of Tacoma and 60 miles south-southeast of Seattle. Its last ...