Magnitude 5.00 quake near Jackson, WY

Last updated: 2018-03-26 17:50:55 UTC

Global view of quake


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 Tuesday, January 6th, 2004 at 11:51 PM (PST) we recorded a quake (preliminary mb 5.00) located near Jackson, WY. The town of Jackson is on the edge of the Grand Teton National Park and is 56 miles south of Yellowstone.

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 are shown below. The epicentral distance (distance separating the epicenter and the closest station in the recording network) for Anza is 1223 km (11.00 degrees).

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

Global mecator event map

Latitude Longitude Origin time (UTC) Origin time (PDT) Depth (km) mb Author
43.5700 -110.4100 1/07/04 (007) 07:51 1/06/04 (006) 23:51 5 5.00* 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

Notice that we recorded a small local San Diego earthquake (arrival time indicated by the first red P flag) that preceeded,by about 30 seconds, the Wyoming mainshock (arrival time indicated by the second red P flag).

Anza Verts

View a larger image of the vertical component waveforms.

Visit the IRIS website, USGS website and The University of Utah Seismic Network website for additional links to seismic data for this event.

To search the internet for more information about this event, click on the button below:

Search for this event using

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: [Last updated: 2018-03-26 17:50:55 UTC]