Magnitude 6.7 quake near Kanazawa, Honshu, Japan

Last updated: 2018-03-26 (84) 17:50:57 UTC

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The Anza group at the University of California San Diego operates a broadband seismograph network consisting of 17 three component broadband seismograph stations centered near Anza, California (see map).

On Saturday March 24 2007 at 4:41 PM (PST) we recorded an earthquake (preliminary Mw 6.7) located near Kanazawa.

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

View the most recent map of local events near San Diego or a slightly wider regional view of events recorded by ANZA, or a map of events recorded by ANZA from around the globe.

Initial source parameters for this tremor are indicated below. The epicentral distance (i.e. the distance separating the epicenter and the closest station in the recording network) for Anza is 9026 km (81.17 degrees).

This map shows the mainshock as a red star. Associated aftershocks are orange stars. Anza network stations are yellow triangles. Gray lines are major rivers.

Event Map

Global mecator event map

Event Parameters

Latitude	Longitude	Origin time (UTC)	Origin time (PST)	Depth (km)	Mw	Author
37.2750	136.6030	03/25/07 (084) 00:41.57	03/24/07 (083) 4:41 PM	5	6.7	QED

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

This earthquake occurred within 2 minutes of a magnitude 7.2 earthquake near the Vanuatu Islands in the Pacific Ocean. Consequently, the waveforms recorded at Anza stations consist of both events, obscuring each individual event. In addition, a large aftershock from the Vanuatu region appears as a third P arrival. Please bear this in mind when studying the plots below.

You may also view a plot showing

Of local interest:

We operate a broadband station on Mt. Soledad. At 16:54 (PST) station SOL recorded the P wave from this event. Here is a view of that event as picked by our analyst. A red P indicates a P wave arrival, a red S indicates an S wave arrival.

3 component seismometer recordings at Soledad

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

Visit the IRIS website with additional links to seismic data for this event.

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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).