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

The United States Geological Survey (USGS) shows lava fountains shooting up high in the latest episode of an ongoing eruption ...

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

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

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

Alaska, in particular, experiences more large earthquakes than the rest of the US combined, and three-quarters of its population lives in areas vulnerable to major seismic activity. Authorities ...

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.

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

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

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

The quake was about 87 kilometres south of the US state, in the early afternoon - just after 12.30pm. The National Tsunami Warning Centre says tsunami impacts are possible for South Alaska and the ...

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