4.0 magnitude earthquake 39 km from Morton, Washington, United States

1980-05-13 08:59:55 UTC

UTC time: Tuesday, May 13, 1980 08:59 AM
Your time: 1980-05-13T08:59:55Z
Magnitude Type: mb
USGS page: M 4.0 - Mount St. Helens area, Washington
USGS status: Reviewed by a seismologist
Reports from the public: 0 people