NEHRP Clearinghouse
displaying 91 - 100 results in total 178
Boore, D. M.; Gibbs, J. F.; Rodriguez, M.
Compendium of P- and S-Wave Velocities from Surface-to-Borehole Logging: Summary and Reanalysis of Previously Published Data and Analysis of Unpublished Data.
January 2003, 18 p.
Identifying Number(s): USGS/OFR-03-191
Keywords: ; California; Boreholes; P waves; S waves; Secondary waves; Primary waves; Data analysis; VelocityGertstenberger, M.; Wiemer, S.; Jones, L.
Real-Time Forecasts of Tomorrow's Earthquakes in California: A New Mapping Tool.
January 2004, 44 p.
Identifying Number(s): USGS/OFR-2004-1390
Keywords: Emergency response; Earthquake clustering; Seismic phenomena; California; Forecasting; Algorithm; Multi-model; United States Geological Survey (USGS); Hazard maps; Real time; Maps; EarthquakesEarthquake Probabilities in the San Francisco Bay Region: 2002-2031.
January 2003, 235 p.
Identifying Number(s): USGS/OFR-03-214
Keywords: Risk assessment; Probability; Emergency preparedness; Tectonics; Seismic events; California; Geologic faults; Methodology; San Francisco Bay (California); Damagement assessment; Ground motion; Geologic history; Urbanized areas; Disaster planning; Suburban areas; EarthquakesDetweiler, S. T.; Ellsworth, W.
Proceedings of the U.S.-Japan Natural Resources Meeting and Parkfield, California Fieldtrip (5th).
January 2005, 88 p.
Identifying Number(s): USGS/OFR-2005-1131
Keywords: Seismic events; California; Parkfield (California); Natural resources; Earthquake faults; United States; Field trips; Meetings; Earth motions; Japan; EarthquakesCatchings, R. D.; Goldman, M. R.; Steedman, C. E.; Gandhok, G.
Velocity Models, First-Arrival Travel Times, and Geometries of 1991 and 1993 USGS Land-Based Controlled-Source Seismic Investigations in the San Francisco Bay Area, California: In-Line Shots.
November 19, 2004, 36 p.
Identifying Number(s): USGS/OFR-2004-1423
Keywords: San Francisco Bay area; Seismic velocity; Seismic data; Travel time; Seismic waves; California; Tables (Data); In-line shots; Data collection; Geometries; TomographyEllen, S. D.; Wentworth, C. M.
Hillside Materials and Slopes of the San Francisco Bay Region.
January 1995, 223 p.
Identifying Number(s): USGS/PP-1357
Keywords: Hillside materials; Materials units; Weathering phases; California; Physical properties; Unit descriptions; San Francisco Bay region; Stratigraphic thickness; Slopes; CompositionKayen, R.; Thompson, E.; Minasian, D.; Carkin, B.
Shear-Wave Velocity of the Ground Near Sixty California Strong Motion Recording Sites by the Spectral Analysis of Surface Waves (SASW) Method and Harmonic-Wave Sources.
January 2005, 136 p.
Identifying Number(s): USGS/OFR-2005-1366
Keywords: Ultra-low; Surface waves; California; Frequency controlled; Shear-wave velocity; Active-source approachs; Harmonic wave sources; Spectral analysis of surface waves (SASW); Strong motion recording (SMR) sites; Dispersive natureFisher, M. A.; Normark, W. R.; Langenheim, V. E.; Calvert, A. J.; Sliter, R.
Marine Geology and Earthquake Hazards of the San Pedro Shelf Region, Southern California.
January 2005, 46 p.
Identifying Number(s): USGS/PP-1687
Keywords: Wilmington Graben; Marine geology; San Pedro Shelf Region; Offshore structures; Regional geology; Structural belt; California; Earthquake faults; Seismic-reflection data; Structural variation; Tectonic evolution; Hazards; Palos Verde Fault Zone; Regional structure; Geophysical data; EarthquakesPonce, D. A.
Principal Facts for Gravity Data Along the Hayward Fault and Vicinity, San Francisco Bay Area, Northern California.
January 2001, 32 p.
Identifying Number(s): USGS/OFR-01-124
Keywords: San Francisco Bay area; Isostatic gravity maps; Hayward Fault; Gravity; California; Sampling; Data collection; Topographic maps; Physical property data; Isostatic gravity anomalies; Rocks; EarthquakesGalehouse, J. S.
Data from Theodolite Measurements of Creep Rates on San Francisco Bay Region Faults, California: 1979-2001.
January 2002, 98 p.
Identifying Number(s): USGS/OFR-02-225
Keywords: California; Tables (Data); Earthquake faults; Hayward faults; Data collection; Aseismic slip; Loma Prieta earthquake; San Francisco Bay region; Creep rates; Theodolite; Measurements