Earth’s continents may look fixed on a globe, but they’ve been drifting, splitting and reforming over billions of years – and ...

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.

Volcanoes in the United States that have been active since spring woke up, brushed themselves off, and then went back to sleep. Two volcanoes, one in Alaska and one in Hawaii, are experiencing active ...

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

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.

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 ...

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 ...

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

Mount Rainier, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday.

May we learn from past tragedies – the magnitude 7.3 earthquake in Manila in 1968, which led to the collapse of the Ruby Tower in Binondo, killing 200 people. Phivolcs also said that more than 6,000 ...