Magnitude 4.6 quake near Borrego Springs, CA

Last updated: 2014-10-13 21:29:10 UTC

The Anza group at the University of California, San Diego operates a broadband seismograph network consisting of 13 (+ 2) three component broadband seismograph stations centered near Anza Californa (see map).

On Wednesday, January 2nd, 2002 at approximately 04:11 (PST) we recorded a quake (preliminary ml 4.6) located near Borrego Springs, CA.If you felt the quake, the USGS would like to know. Add to the USGS "Did you feel it?" page.
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This earthquake (red star) was about 100 km (~62 miles) from San Diego. Many small aftershocks were recorded. This earthquake occurred in the middle of the ANZA seismic network (individual ANZA seismic stations are indicated with blue triangles). Initial source parameters are listed below.

Latitude Longitude Origin time Depth ml Author
33.3890 -116.4388 01/02/2002 12:11:28 (UTC) 18.63 4.53* UCSD:vladik

*note that the location and magnitude determined for this event are preliminary and are subject to change upon further review of seismic data.

Links to additional information about this event: SCEC, TRINET, TRINET focal mechanism.

Learn more about the Anza group (including who works here, other networks, nuclear tests in China/India/Pakistan).

Learn more about the ANZA network (includes more station information, research, etc).

URL: http://eqinfo.ucsd.edu/special_events/2002/002/a/index.php [Last updated: 2014-10-13 21:29:10 UTC]