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

1980-04-20 11:59:31 UTC

UTC time: Sunday, April 20, 1980 11:59 AM
Your time: 1980-04-20T11:59:31Z
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