UT researchers published a study in Science on June 26 that provided insight into the behavior of slow slip earthquakes, which release energy gradually and produce no detectable shaking.  Regular ...

Most of the U.S. volcanoes that have been making themselves known since spring woke up a bit, shook themselves off and then ...

Mount Rainier in Washington state has been rocked by more than 300 earthquakes the largest seismic swarm in nearly two decades. While officials insist there's no need for panic, experts are watching ...

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

Over 300 earthquakes have occurred at Mount Rainier in Washington State, Washington. This was the largest earthquake swarm ...

The series of earthquakes is the first major swarm of seismic events since 2009. Is it safe if you’re planning on visiting?

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

This is now the largest recorded earthquake swarm at Mount Rainier since seismic monitoring at the volcano began in 1982, the ...

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