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

Following the tremor, the US Tsunami Warning System issued a tsunami warning for parts of coastal Alaska. Authorities have ...

These 10 U.S. states experience the highest number of earthquakes, shaking their ground quietly yet consistently, reminding ...

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

A recent 7.3 magnitude earthquake off Alaska's Aleutian Peninsula triggered tsunami warnings, stirring memories of the 1958 Lituya Bay megatsunami. Wh ...

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

WASHINGTON, USA — A "swarm" of small earthquakes near the summit of Mount Rainier Tuesday is no cause for concern, according ...

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

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.

An earthquake measuring 6.7 struck eastern Indonesia, but authorities reported no tsunami threat. The quake's epicenter was ...

A 6.7-magnitude earthquake struck Indonesia on Monday’s (July 14), according to the US Geological Survey (USGS). The USGS ...

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