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USGS Geology in the Parks

Joshua Tree National Park Geology: Seismograph network in the Joshua Tree region

Map showing eq.info
Click on image to view see more stations. Map from TRINET

A network of active faults cut across the Southern California and the Mojave desert region. In order to pinpoint earthquakes, government agencies and universities have established seismographs across the region.

See seismogram of Hector Mine earthquake

seismic network legend
Legend for map at right.
| U.S. Geological Survey Pasadena Office of Earthquake Information |
| Joshua Tree earthquake home | Joshua Tree National Park home |


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