Social media users are escalating the long-simmering battle between Washington and Oregon into an all-out roast session, ...

The snowcapped peak of Mount Rainier, which towers 4.3 kilometers (2.7 miles) above sea level in Washington state, has not produced a significant volcanic eruption in the past 1,000 years.

Researchers predict the most likely outcome of the unrest at Mt. Spurr is “one or more explosive events” that could last as ...

Mount Rainier, the massive stratovolcano in Washington state, has remained dormant for over 1,000 years, but experts caution that an eruption is inevitable. If it were to erupt, the consequences ...

Over the last 20 years, scientists have been upgrading and expanding lahar monitoring stations around this volcano, collectively known as The Mount Rainier Lahar Detection System. This system is ...

When the volcano does erupt ... “It takes time to build a bridge and we can’t do it if Mount Rainier starts getting unsettled. This needs to be part of the long-term plan of the City of ...

Majestic Mount Rainier is the highest peak in the Cascade Range and an active volcano with more glaciers than any other mountain in the United States. Just an hour's drive from Seattle, the park's ...

From this perch, travelers will have views of Mount Rainier and other volcanoes in the Cascade Range, such as Mount Adams. Sunrise is also the highest spot in the park that can be reached by vehicles.

They're also called composite volcanoes. Mount Rainier in Washington is a famous stratovolcano. Shield volcanoes are big, broad volcanoes made up of oozy lava flows that erupt from multiple vents.

A lahar (a destructive mudflow of volcanic ash, rock, water and ice that can flow down a volcano's slopes) from the volcano would give residents as little as 40 minutes to flee.

The tallest volcano in Europe, Italy's Mount Etna, and the world's most active volcano, Kilauea in Hawaii, erupting again.