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

1980-03-20 23:47:43 UTC

UTC time: Thursday, March 20, 1980 23:47 PM
Your time: 1980-03-20T23:47:43Z
Magnitude Type: ml
USGS page: M 4.1 - Mount St. Helens area, Washington
USGS status: Reviewed by a seismologist
Reports from the public: 0 people