3.8 magnitude earthquake 11 km from Blackhawk, California, United States

1982-08-28 01:03:11 UTC

UTC time: Saturday, August 28, 1982 01:03 AM
Your time: 1982-08-28T01:03:11Z
Magnitude Type: ml
USGS page: M 3.8 - San Francisco Bay area, California
USGS status: Reviewed by a seismologist
Reports from the public: 0 people