In concert with the report released Wednesday, DNR has produced an online interactive map that allows users to track the potential pathways of lahars from Mount Rainier. The online map and report ...

MOUNT RAINIER, Wash. — A swarm of small earthquakes was detected at Mount Rainier Tuesday morning, according to the U.S.

As Mount Rainier expands lahar monitor system, officials consider adding more sites. Five sites have already been approved inside the national park, ... You can view maps of both here.

In the wake of the Mount St. Helens eruption, the US Geological Survey set up an lahar detection system at Mount Rainier in 1998, which since 2017 has been upgraded and expanded.

Mount Rainier’s newly-approved lahar detection upgrades will have a quirk: A couple of stations planted right in the likely paths of mudslides. In other words, researchers will be putting their ...

OLYMPIA — A new report estimates that property losses from a massive mudflow at Mount Rainier could reach $6 billion in the Puyallup Valley. Major mudflows, known as lahars, can be caused by ...

OLYMPIA — A new report estimates that property losses from a massive mudflow at Mount Rainier could reach $6 billion in western Washington’s Puyallup Valley.

The activity began just before 1:30 a.m. on July 8, with hundreds of earthquakes recorded at depths ranging from over a mile ...

In the wake of the Mount St. Helens eruption, the U.S. Geological Survey set up an lahar detection system at Mount Rainier in 1998, which since 2017 has been upgraded and expanded.

The snowcapped peak of Mount Rainier, which towers 14,411 feet (2.7 miles) above sea level in Washington state, has not produced a significant volcanic eruption in the past 1,000 years.