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Joshua Tree National Park Geology

Seismograph network in the Joshua Tree region

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

spacer image 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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| USGS Geology in the Parks home | NPS Park Geology Tour home |

This site is a cooperative endeavor of the
US Geological Survey Western Region Earth Surface Processes Team
and the National Park Service.
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This page was last updated on 10/19/99
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