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

1980-05-11 04:00:18 UTC

UTC time: Sunday, May 11, 1980 04:00 AM
Your time: 1980-05-11T04:00:18Z
Magnitude Type: mb
USGS page: M 4.7 - Mount St. Helens area, Washington
USGS status: Reviewed by a seismologist
Reports from the public: 0 people