Information For a 4.3 Earthquake on 08/18/1991 near Petrolia, CA

An earthquake of magnitude 4.3 and depth of 11.00 kilometers occurred 6.72 miles from Petrolia, CA in Humboldt County at 11:07 AM.

08/18/1991 - Earthquake Incident Location
Earthquake Details
Location: 6.72 miles from Petrolia, CA in Humboldt County, CA
Date: 08/18/1991
Time: 11:07 AM
Magnitude: 4.3 Mag
Depth: 11.00 km

Area Highlights

Natural Disasters Risk

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