Magnitude 5.29 quake near Calexico

Last updated: 2018-03-26 17:50:58 UTC

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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 Friday, February 22nd, 2002 at 11:32 (PST) 19:32:49 (UTC) we recorded a quake (preliminary ml 5.29) located near the town of Calexico.

If you felt the quake, USGS would like to know. Please add to the USGS "Did you feel it?" page.

View the most recent map of local events near San Diego or a slightly wider regional view of events recoded by ANZA, or a map of events recoded by ANZA from around the globe. We also have a bulletin of recent events recorded by the Anza network.

Initial source parameters for the recent event and aftershocks are shown below. The epicentral distance (distance separating the epicenter and the closest station in the recording network) for ANZA is 1.8 degrees (194 km). The distance from San Diego is approximately 194km.

This map shows the mainshock (red circle) and some of the aftershocks (orange circles). More than 18 significant aftershocks have been recorded in the first 6 hours after the mainshock. ANZA network stations are yellow triangles. The closest station to the event was MONP (Monument Peak).

Latitude	Longitude	Origin time (UTC)	Depth	ml	Author
32.6881	-115.1758	2/22/2002 (053) 19:32:49.274	0.9 km	5.29*	UCSD

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

You may also view a plot showing:

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/2002/053/a/index.php [Last updated: 2018-03-26 17:50:58 UTC]