All volcanoes in the Cascade Range are showing normal activity levels, according to the United States Geological Survey on Friday.

The largest ever earthquake swarm has been recorded at Washington's Mount Rainier, with officials saying there is no cause ...

Scientists have recorded the "largest" earthquake swarm at Mount Rainier in Washington state since 2009, the U.S. Geological Survey reported. The swarm at the second-most seismically active ...

Small earthquakes have rocked the active volcano Mt. Rainier in the Cascade Mountain Range this month, sending shockwaves ...

MOUNT RAINIER NATIONAL PARK — An earthquake swarm at Mount Rainier that started on July 8 is considered one of the largest ...

The last large earthquake swarm at Mount Rainier occurred in 2009 and lasted for three days. The swarm resulted in more than 1,000 earthquakes and the largest was of a 2.3 magnitude, according to ...

Scientists are installing multiple temporary seismic monitoring stations to get a better understanding of the sharp increase ...

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.

PORTLAND, Ore. - An earthquake with a magnitude of 4.5 shook the Mount Hood area early Saturday but there were no reports of damage or injuries.

Scientists have recorded the "largest" earthquake swarm at Mount Rainier in Washington state since 2009, the U.S. Geological ...

MOUNT RAINIER, Wa. (WRBL)- The United States Geological Survey (USGS) has announced that an earthquake swarm has begun beneath Mount Rainier. Earthquake Swarm under Rainier on July 8th (WRBL) Accor… ...