Since Feb. 18, Washington has seen seven earthquakes with a magnitude above 2.5, including the strongest earthquake to hit the state in five years, a magnitude 4.5 that struck Orcas Island early ...

An earthquake 'swarm' comprised of hundreds of miniature earthquakes hit Mt. Rainier and the Cascade mountain in July.

Just after the quake, NOAA's National Tsunami Warning Center issued Tsunami Warnings for the immediate Alaska coastline from ...

The quakes began just before 1:30 a.m. on Tuesday, according to the Geological Survey at the Cascade Volcano Observatory.

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

Mount Rainier is considered an active volcano and has not had a significant eruption in the past 500 years. However, it is ...

There was a 2.2 magnitude earthquake west of Asheville earlier this week.According to the U.S. Geological Survey, it's the fourth small quake felt in the… ...

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

The US Geological Survey recorded two small earthquakes in our state Tuesday, one in northwest Georgia and another in middle Georgia. But they were so small, if you weren’t close to the ...

ATLANTA — The US Geological Survey recorded two small earthquakes in our state Tuesday, one in northwest Georgia and another in middle Georgia. But they were so small, if you weren’t close to ...

Aftershocks from devastating earthquakes in the 1800s near the Missouri-Kentucky border and in Charleston, South Carolina, may still be occurring, a study found.