News

At around 14,410-feet Mount Rainier, a snowcapped volcano in the Cascade Range, towers above the Puget Lowlands.  

Interesting cloud formation at Mount Rainier's summit sparks interest in its geologic past and preparedness for future eruptions.

U.S. Geological Survey scientists studying Mount Rainier and its hazards for the past 70 years have long recognized that the greatest danger may not...

Expansion of the lahar detection system at Mount Rainier will improve the Cascades Volcano Observatory's overall volcano monitoring and lahar...

While most of the Cascade Range volcanoes are located in remote areas, volcanic processes like ashfall and lahars can put large populations at risk...

While the seismicity represents a temporary uptick in activity, Mount Rainier remains at normal, background levels of activity.

TACOMA, Wash. — Deputy Secretary of the Interior Katharine MacGregor, U.S. Geological Survey Director Jim Reilly, and Counselor to the Secretary...

New station expands scientists' capabilities to detect unrest and provide rapid notification of hazards to emergency officials and the public.

TACOMA, Wash. — What is a lahar and why are they a threat to those who live below Mount Rainier? Journalists are invited to learn about the  threat...

Public input will be accepted from October 5-30, 2020 on a proposal to expand the lahar detection system inside Mount Rainier National Park.