Several of Mount Rainier’s glaciers are already gone, experts say, and others aren’t far behind. The News Tribune asked what ...

The United States Geological Survey said Wednesday that fears of an imminent Mount Rainier eruption were unsubstantiated. Reports on social media said steam was “venting” from the volcano, but ...

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.

Glaciers of Mount Rainier overlaid on a base map LIDAR image showing topography. United States Geological Survey Pelto, who has spent four decades studying glaciers, said glaciers are losing mass ...

Mount Saint Helens, Mount Adams, Mount Baker, and Glacier Peak are four of the active volcanoes in Washington state. The fifth, located less than 70 miles from Seattle, is Mount Rainier.

A video of Mount Rainier shows a lenticular cloud hovering over it on Sept. 7, 2022. People on social media initially thought it was a sign of volcanic activity. Screengrab from Kristin Clark’s ...