Seismicity and focal mechanisms for the southern Great Basin of Nevada and California in 1991
For calendar year 1991, the southern Great Basin seismic network (SGBSN) recorded 980 earthquakes in the SGB, as compared to 1050 in 1990. Local magnitudes, M{sub L}, ranged from 0.0 for several earthquakes in the southern Nevada Test Site to 4.1 for a strike-slip earthquake in the Lower Pahranagat Lake SW quadrangle on March 10, 1991. No felt reports or damage reports were filed with the National Earthquake Information Center (NEIC) for Southern Great Basin (SGB) earthquakes of 1991, although public agencies were canvassed following three of the largest of them. Within a 10-km radius of the site of a potential national, high-level nuclear-waste repository near the center of Yucca Mountain, Nevada, no earthquakes were detected, although three earthquakes, with duration magnitudes between 0.8 and 1.1, were recorded in the Claim Canyon Cauldron segment south of Timber Mountain and 10+ km north of the potential repository site. This report examines the seismicity of the region in the vicinity of Yucca Mountain.
- Research Organization:
- US Geological Survey, Denver, CO (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AI08-92NV10874
- OSTI ID:
- 138775
- Report Number(s):
- USGS-OFR-92-340; ON: DE93009824; TRN: 93:007223
- Resource Relation:
- Other Information: PBD: 1993
- Country of Publication:
- United States
- Language:
- English
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