4.0 magnitude earthquake 10 km from Blackhawk, California, United States

1980-01-25 14:03:27 UTC

UTC time: Friday, January 25, 1980 14:03 PM
Your time: 1980-01-25T14:03:27Z
Magnitude Type: ml
USGS page: M 4.0 - San Francisco Bay area, California
USGS status: Reviewed by a seismologist
Reports from the public: 0 people