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Science 27 June 1975:
Vol. 188. no. 4195, pp. 1306 - 1308
DOI: 10.1126/science.188.4195.1306
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Articles

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

David P. Hill 1, Penelope Mowinckel 1, and Loren G. Peake 1

1 U.S. Geological Survey, Menlo Park, California 94025

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.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
A microearthquake study in the Salton Sea geothermal area, California.
B. GILPIN and T.-C. LEE (1978)
Bulletin of the Seismological Society of America 68, 441-450
   Abstract »    PDF »
The Borgarfjordur earthquakes of 1974 in West Iceland.
P. EINARSSON, F. W. KLEIN, and S. BJORNSSON (1977)
Bulletin of the Seismological Society of America 67, 187-208
   Abstract »    PDF »
Tectonic implications of the Brawley earthquake swarm, Imperial Valley, California, January 1975.
C. E. JOHNSON and D. M. HADLEY (1976)
Bulletin of the Seismological Society of America 66, 1133-1144
   Abstract »    PDF »
Surface faulting in Imperial Valley during the earthquake swarm of January-February, 1975.
R. V. SHARP (1976)
Bulletin of the Seismological Society of America 66, 1145-1154
   Abstract »    PDF »
Earthquake sounds generated by body-wave ground motion.
D. P. HILL, F. G. FISCHER, K. M. LAHR, and J. M. COAKLEY (1976)
Bulletin of the Seismological Society of America 66, 1159-1172
   Abstract »    PDF »


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