The US Geological Survey (USGS) has just installed some of the first sensors of their kind on the east side of the mountain.

Private properties, schools, fire departments and others play a key part in monitoring temblors in the Pacific Northwest.

After a record-breaking earthquake swarm near Mount Rainier, researchers around Mount Baker continue to plan and prepare for ...

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano since 2009. As of Thursday, July 10, 334 earthquakes had been identified at ...

Over 300 minor earthquakes have been detected under the surface of Mount Rainier since the morning of Tuesday, July 8. The swarm is the first of its kind since 2009, and, according to Pacific ...

A "swarm" of hundreds of small earthquakes are continuing to hit Mount Rainier this week. The U.S. Geological Survey Cascades Volcano Observatory and the Pacific Northwest Seismic Network said Tuesday ...

Mount Rainier, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday. A swarm of small earthquakes was detected under the mountain triggering ...

One of the most dangerous volcanoes in America was shaken by hundreds of earthquakes Tuesday morning. Mount Rainier, which the U.S. Geological Survey considers the second most dangerous volcano in the ...