Magnitude 4.50 quake near Baker, CA

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 14 (+ 2) three component broadband seismograph stations centered near Anza, California (see map).

On Tuesday, October 29th, 2002 at 06:16 (PST) we recorded a quake (preliminary ml 4.50) located near the city of Baker.

If you felt the quake, the 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.

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 1.2 degrees (128 km).

This map shows the mainshock (red star) and any associated aftershocks (orange stars). Anza network stations are blue triangles.

Latitude	Longitude	Origin time (UTC)	Origin time (PST)	Depth	ml	Author
34.81	-116.27	10/29/02 (302) 14:16:53:000	06:16 (PST)	6.1km	4.50*	orbassoc

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

You may also view a plot showing:

Download data:css3.0 miniSEED data for Anza

Of local interest

We operate a broadband station on Mt. Soledad. At 06:16 (PST) station SOL recorded the P wave from this event. Here is a view of that event as picked by our analyst.

View a larger image showing the waveforms recorded at Mt. Soledad.

Visit the USGS website with additional links to seismic data for this event, or the TRINET website.

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/2002/302/a/index.php [Last updated: 2018-03-26 17:50:58 UTC]