Lava in Hawaii, seismic shaking in Alaska and underwater rumblings near Oregon. Scientists say it’s not the end of the world, ...

The National Tsunami Warning Center has warned that the quake, which occurred at 12:55 p.m. local time, could generate ...

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

A powerful undersea earthquake struck off the southern coast of Alaska on Wednesday, setting off a tsunami advisory and ...

One of the most famous mountains in Washington, Mount Rainier, has been rumbling over the last day due to the amplified ...

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

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

The Alaska-Aleutian subduction zone ranks among the world's most seismically active regions, having generated more magnitude 8 and above earthquakes in the past century than any other area on the ...

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.

A 6.2 magnitude earthquake struck off Panama's Pacific coast on Monday, approximately 130 miles south of Punta Burica. The ...