Information For a 3.3 Earthquake on 08/18/1991 near Petrolia, CA

An earthquake of magnitude 3.3 and depth of 9.00 kilometers occurred 7.76 miles from Petrolia, CA in Humboldt County at 03:21 AM.

08/18/1991 - Earthquake Incident Location
Earthquake Details
Location: 7.76 miles from Petrolia, CA in Humboldt County, CA
Date: 08/18/1991
Time: 03:21 AM
Magnitude: 3.3 Mag
Depth: 9.00 km

Area Highlights

Natural Disasters Risk

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