Location refinement of earthquakes in the southwestern Great Basin, 1931--1974, and seismotectonic characteristics of some of the important events
Technical Report
·
OSTI ID:60660
Seismological records for the period 1931--1974 were examined and analyzed by modern techniques, including velocity structure inversion and application of station-phase corrections. Epicenter confidence ellipses and fault plane solutions were determined for many events. In the past, epicenters of earthquakes in the southwestern Great Basin have been mislocated by as much as 100 kilometers, or even more in one case. Improved locations for foreshocks and aftershocks, with relative errors of about 5 to 10 kilometers and absolute errors of perhaps 15 to 25 kilometers, permit closer inspection of possible relationships or coupling between some major events in the Nevada portion of the Nevada-California seismic zone. 28 refs., 27 figs.
- Research Organization:
- Geological Survey, Denver, CO (United States)
- DOE Contract Number:
- AI08-78ET44802
- OSTI ID:
- 60660
- Report Number(s):
- USGS-OFR--88-560; ON: DE89006764
- Country of Publication:
- United States
- Language:
- English
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