Information For a 4.9 Earthquake on 09/10/1984 near Petrolia, CA

An earthquake of magnitude 4.9 and depth of 10.00 kilometers occurred 137.39 miles from Petrolia, CA in Humboldt County at 11:52 PM.

09/10/1984 - Earthquake Incident Location
Earthquake Details
Location: 137.39 miles from Petrolia, CA in Humboldt County, CA
Date: 09/10/1984
Time: 11:52 PM
Magnitude: 4.9 Mag
Depth: 10.00 km

Area Highlights

Natural Disasters Risk

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