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

The U.S. Geological Survey Cascades Volcano Observatory said the swarm began early Tuesday at the 14,410-foot volcano near ...

Mount Rainier on Tuesday experienced its largest seismic activity since 2009, with a swarm of small earthquakes detected.

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.

More than 300 tremors were recorded below Mount Rainier over the course of three days. Scientists say they were too weak for ...

Geologists are continuing to monitor Mount Rainier in Washington state days after the first earthquake swarm in more than 15 ...

The United States Geological Survey (USGS) has announced that an earthquake swarm has begun beneath Mount Rainier. According ...

Glacier loss on Mount Rainier accelerates, altering ecosystems and traditions. Tribal members report shrinking salmon runs and warming rivers Artists and climbers document visible glacier retreat ...

Harrison Laird, a commercial real estate broker who has summited Mount Rainier dozens of times, told The News Tribune he has already seen many changes in his 18 years of climbing the mountain.

Forests near Mount Rainier are safe for now, but Utah Senator Mike Lee’s plan to sell BLM lands threatens Washington’s scenic areas and outdoor tourism.