Magnitude 5.2 - OFFSHORE NORTHERN CALIFORNIA

This webpage is being phased out and is no longer maintained. Please use the new Real-time Earthquake Map instead and update your bookmark. See Quick Tips & User Guide.

2012 July 21 06:04:21 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude5.2
Date-Time
Location40.412°N, 125.331°W
Depth6.1 km (3.8 miles)
RegionOFFSHORE NORTHERN CALIFORNIA
Distances
  • 89 km (55 miles) W (277°) from Petrolia, CA
  • 92 km (57 miles) W (259°) from Ferndale, CA
  • 102 km (63 miles) W (259°) from Fortuna, CA
  • 107 km (67 miles) WSW (247°) from Eureka, CA
  • 386 km (240 miles) NW (320°) from San Francisco City Hall, CA
Location Uncertaintyhorizontal +/- 2.5 km (1.6 miles); depth +/- 2.7 km (1.7 miles)
ParametersNph= 44, Dmin=85 km, Rmss=0.18 sec, Gp=252°,
M-type=regional moment magnitude (Mw), Version=C
Source
Event IDnc71819471
  • Did you feel it? Report shaking and damage at your location. You can also view a map displaying accumulated data from your report and others.

Additional Information