More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano ...

Recent volcanic activity across the Pacific Ring of Fire has raised alarms among scientists and volcanologists, with several ...

Hundreds of small earthquakes have rattled Mount Rainier this week in the largest swarm of tremors in more than a decade.

Mount Rainier is an active stratovolcano 45 miles southeast of Tacoma and 60 miles south-southeast of Seattle. Its last ...

Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington's Mount Rainier but say there is ...

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake ...

The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009 ...

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

More than 300 tremors were recorded below Mount Rainier over the course of three days. Scientists say they were too weak for ...

Hundreds of small earthquakes were detected at Mount Rainier on Tuesday in the largest such swarm at the active stratovolcano ...

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

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