Reports

Earthquakes, Active Faults, and Geothermal Areas in the Imperial Valley, California

Science  27 Jun 1975:
Vol. 188, Issue 4195, pp. 1306-1308
DOI: 10.1126/science.188.4195.1306

Abstract

A dense seismograph network in the Imperial Valley recorded a series of earthquake swarms along the Imperial and Brawley faults and a diffuse pattern of earthquakes along the San Jacinto fault. Two known geothermal areas are closely associated with these earthquake swarms. This seismicity pattern demonstrates that seismic slip is occurring along both the Imperial-Brawley and San Jacinto fault systems.

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