Magnitude 4.0 - SAN FRANCISCO BAY AREA, 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This webpage is being phased out and is no longer maintained.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.

2008 September 06 04:00:15 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude4.0
Date-Time
Location37.866°N, 121.996°W
Depth16.2 km (10.1 miles)
RegionSAN FRANCISCO BAY AREA, CALIFORNIA
Distances10 km (5 miles) SW of Clayton, California
10 km (10 miles) SSE of Concord, California
25 km (15 miles) SW of Antioch, California
90 km (55 miles) SSW of SACRAMENTO, California
Location Uncertaintyhorizontal +/- 0.1 km (0.1 miles); depth +/- 0.2 km (0.1 miles)
ParametersNST=250, Nph=250, Dmin=1 km, Rmss=0.14 sec, Gp= 47°,
M-type=regional moment magnitude (Mw), Version=3
Source
Event IDnc51207740
  • 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