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

One of the most famous mountains in Washington, Mount Rainier, has been rumbling over the last day due to the amplified ...

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

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

The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only volcano in the range.

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

In the new study, a team from Cornell University and the USGS studied six volcanoes of various size and dormancy status within the Cascade Range in the northwestern United States—Lassen Peak ...

It is one of the highest peaks in the Cascade Range. The mount holds a history of volcanic eruption every 600-800 years in the last 10,000 years. The most recent eruption took place in the year 1786.