A moderately strong, 5.6-magnitude earthquake struck in Guatemala on Tuesday, according to the United States Geological ...

Mount Rainier on Tuesday experienced its largest seismic activity since 2009, with a swarm of small earthquakes detected.

In a televised cabinet meeting, President Trump indicates he favors placing a 50 percent tariff on inbound copper after a ...

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

The Pacific Northwest Seismic Network recorded hundreds of small earthquakes at Mt. Rainier on Tuesday morning. The US ...

The United States Geological Survey (USGS) has announced that an earthquake swarm has begun beneath Mount Rainier. According ...