Information For a 3.9 Earthquake on 08/04/1984 near Petrolia, CA

An earthquake of magnitude 3.9 and depth of 5.00 kilometers occurred 43.35 miles from Petrolia, CA in Humboldt County at 03:00 AM.

08/04/1984 - Earthquake Incident Location
Earthquake Details
Location: 43.35 miles from Petrolia, CA in Humboldt County, CA
Date: 08/04/1984
Time: 03:00 AM
Magnitude: 3.9 Mag
Depth: 5.00 km
More Earthquake Incidents on 08/04/1984

Area Highlights

Natural Disasters Risk

  • Hail Risk Hail Risk is Very Low
  • Tornados Tornado Risk is Very Low