Geologists are continuing to monitor Mount Rainier in Washington state days after the first earthquake swarm in more than 15 ...

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

SEATTLE (AP) — Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington’s Mount Rainier ...

From unexplained phenomena to baffling disappearances, follow the clues while discovering our country’s treasured protected ...

More than 400 earthquakes rattled Washington's Mount Rainier over just 12 hours on Tuesday, sparking fears that the ...

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

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as needed." ...

Hundreds of earthquakes are detected at or near Mount Rainier each year, though typical swarms are smaller than what started ...

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