Cascades Volcano Observatory
News
Short-lived burst of earthquakes occur at Mount Hood, March 1, 2021
Burst-like swarms commonly interpreted to be caused by movement of hydrothermal fluids (water).
Brief earthquake swarm detected beneath Mount Rainier
While the seismicity represents a temporary uptick in activity, Mount Rainier remains at normal, background levels of activity.
A Geophysicist's Perspective on Mount Hood Monitoring Stations and the Recent Earthquake Swarm
A CVO geophysicist discusses how the monitoring stations installed at Mount Hood in 2020 provide insight into the recent Mount Hood earthquake swarm.
Upcoming Series of Virtual Talks Focuses on Mount St. Helens and Volcano Monitoring
Beginning in February 2021, CVO staff will provide virtual webinars about Mount St. Helens' May 18, 1980 eruption and how the volcano has shaped the study of volcanoes and volcano monitoring, as part of the Whidbey Reads program.
January 17, 2021 Mount Hood Earthquake Swarm
An earthquake swarm at Mount Hood is ongoing. The earthquakes are associated with regional faulting and are not a sign of changes in volcanic activity.
New Scientist-in-Charge at USGS Cascades Volcano Observatory
The U.S. Geological Survey is pleased to announce the selection of Dr. Jon Major to serve as the new Scientist-in-Charge of the USGS Cascades Volcano Observatory.
Three new monitoring stations installed at Mount Hood
These stations enhance the existing monitoring network at this high-threat volcano and improve the ability of CVO scientists and their partners to detect and provide warning of any changes in earthquake activity or ground deformation that may signal an increase in volcanic activity and a subsequent danger to people and property.
Trump Administration Officials Tour New Mt. Rainier Lahar Detection Stations
TACOMA, Wash. — Deputy Secretary of the Interior Katharine MacGregor, U.S. Geological Survey Director Jim Reilly, and Counselor to the Secretary Margaret Everson, Exercising the Delegated Authority of the Director of the National Park Service, today visited Mount Rainier National Park to announce the successful permitting and ongoing installation of five new lahar monitoring stations.
Media Advisory: Exclusive Interview Opportunities with Interior Officials to Learn about New Mt. Rainier Lahar Detection Stations
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 potential posed by lahars from Mount Rainier to local communities and how new USGS lahar monitoring stations will integrate into emergency preparedness and response.
New station enhances Mount Rainier’s lahar detection network
New station expands scientists' capabilities to detect unrest and provide rapid notification of hazards to emergency officials and the public.
Opportunity for public comment on proposal to expand the lahar detection system within Mount Rainier National Park
Public input will be accepted from October 5-30, 2020 on a proposal to expand the lahar detection system inside Mount Rainier National Park.
Understanding Your Community’s Volcano Hazard Risk is One Way to Plan During National Preparedness Month
Disasters and emergencies can happen at any time, often without warning. Natural hazards threaten thousands of lives and cause billions of dollars in damage every year throughout the nation.