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

1980-03-29 20:55:52 UTC

UTC time: Saturday, March 29, 1980 20:55 PM
Your time: 1980-03-29T20:55:52Z
Magnitude Type: ml
USGS page: M 4.0 - Mount St. Helens area, Washington
USGS status: Reviewed by a seismologist
Reports from the public: 0 people