Magnitude 6.7 quake near Cantwell, AK

Last updated: 2018-03-26 17:50:58 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, California (see map).

On Wednesday, October 23rd, 2002 at 04:27:18 (PDT) we recorded a quake (preliminary Mw 6.7) located near the town of Cantwell, Alaska.

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 35.9 degrees (3400 km).

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

Global mecator event map
Latitude Longitude Origin time (UTC) Origin time (PDT) Depth ml Author
63.62 -148.04 10/23/02 (296) 11:27:18 04:27 (PDT) 10 6.7* QED

* 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 (not yet available)

Of local interest

We operate a broadband station on Mt. Soledad. At approx 04:34 (PDT) station SOL recorded this event. Here is a view of that event as picked by our analyst.

3 component seismometer recordings at Soledad

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 visit the Alaska Earthquake Information Center to see a comprehensive review of the event complete with aerial photographs and topographic maps.

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).

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