Mount Rainier’s seismic sensors showed unusual activity for several days, prompting widespread attention online, but experts told KIRO 7 News the readings came from a malfunctioning instrument rather ...

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano since 2009. As of Thursday, July 10, 334 earthquakes had been identified at ...

A snowcapped backdrop to Seattle and Puget Sound, Mount Rainier is a slumbering giant that last erupted in the 1890s.

Washington state may not have to worry about hurricanes, but it is volcano country. The United States has 161 active volcanoes – all in the western U.S. – but only 18 are classified as a "very high ...

An earthquake swarm began at Mount Rainier on Tuesday (July 8), with the region hit by more than 300 small quakes, the most significant seismicity at the volcano since 2009, the US Geological Survey ...

Discover why Mount Rainier is considered the most dangerous volcano in the United States. This video explores its eruption history, massive glaciers, lahar risks, and the millions of people who could ...

SEATTLE — Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington's Mount Rainier but say there is no indication that the cluster of quakes is cause for concern.

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

Dozens of people have died, hundreds are missing and many more homes were destroyed after separate volcanic eruptions in Hawaii and Guatemala that made headlines worldwide in recent months. And ...