Information For a 4.0 Earthquake on 08/17/1991 near Petrolia, CA

An earthquake of magnitude 4.0 and depth of 13.00 kilometers occurred 6.71 miles from Petrolia, CA in Humboldt County at 08:55 PM.

08/17/1991 - Earthquake Incident Location
Earthquake Details
Location: 6.71 miles from Petrolia, CA in Humboldt County, CA
Date: 08/17/1991
Time: 08:55 PM
Magnitude: 4.0 Mag
Depth: 13.00 km

Area Highlights

Natural Disasters Risk

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