4.1 magnitude earthquake 38 km from Amboy, Washington, United States

1980-03-29 23:20:40 UTC

UTC time: Saturday, March 29, 1980 23:20 PM
Your time: 1980-03-29T23:20:40Z
Magnitude Type: mb
USGS page: M 4.1 - Mount St. Helens area, Washington
USGS status: Reviewed by a seismologist
Reports from the public: 0 people