A cloud formation seen over Washington's Mount Rainier led to speculation on social media about the active volcano venting. Park experts assured that it was not.

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

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

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

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

Mount Rainier experienced a significant earthquake swarm, the largest since 2009, with hundreds of small quakes detected near ...

How’s the weather looking for your Friday? Get your latest Maine’s Total Weather video forecast from Meteorologist Roger ...

Swarms of 100 small Mt Rainier earthquakes were recorded recently. Read about this stratovolcano to discover 9 Amazing Facts, including its towering Mt Rainier elevation and its biodiversity.

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