NEHRP Clearinghouse
displaying 101 - 110 results in total 178
Ponce, D. A.; Buergmann, R.; Graymer, R. W.; Lienkaemper, J. J.; Moore, D. E.
Proceedings of the Hayward Fault Workshop. Held in Eastern San Francisco Bay Area, California on September 19-20, 2003.
January 2003, 76 p.
Identifying Number(s): USGS/OFR-03-485
Keywords: Geologic faults; Mapping; Geology; California; Geologic surveys; Hazardous seismic corridors; Seismology; Abstracts; Hayward fault; Meetings; San Francisco region; Earthquake hazards; Connections; Mitigation; GeomorphologyGutmacher, C. E.; Normark, W. R.; Ross, S. L.; Edwards, B. D.; Sliter, R.
Cruise Report for A1-00-SC Southern California Earthquake Hazards Project, Part A.
January 2000, 56 p.
Identifying Number(s): USGS/OFR-00-516
Keywords: California; Data collection; Sea water intrusion; Hazards; Faults (Geologic); Earthquakes; Geologic hazardsCatchings, R. D.; Gandhok, G.; Goldman, M. R.; Okaya, D.
Seismic Images and Fault Relations of the Santa Monica Thrust Fault, West Los Angeles, California.
January 2001, 38 p.
Identifying Number(s): USGS/OFR-01-111
Keywords: California; Imagery; Location; Data collection; Seismic surveys; Geometry; Santa Monica fault; Faults (Geologic)Gibbs, J. F.; Boore, D. M.; Tinsley, J. C.; Mueller, C. S.
Borehole P- and S-Wave Velocity at Thirteen Stations in Southern California.
January 2001, 126 p.
Identifying Number(s): USGS/OFR-01-506
Keywords: Poisson's Ratios; Waveforms; California; P waves; Boreholes; Seismic velocity data; Velocity profiles; S waves; Appendices; Wave travel time; Velocity; SeismographsHildenbrand, T. G.; Davidson, J. G.; Ponti, D. J.; Langenheim, V. E.
Implications for the Formation of the Hollywood Basin from Gravity Interpretations of the Northern Los Angeles Basin, California.
January 2001, 32 p.
Identifying Number(s): USGS/OFR-2001-394
Keywords: Density boundaries; Northern Los Angeles Basin; Geology; California; Shallow sources; Gravity data; Geologic history; Gravity surveys; Inversion models; Seismic surveys; Interpretive techniques; Gravitational effects; Holloywood Basin; EarthquakesFuis, G. S.; Murphy, J. M.; Okaya, D. A.; Clayton, R. W.; Davis, P. M.
Report for Borehole Explosion Data Acquired in the 1999 Los Angeles Region Seismic Experiment (LARSE II), Southern California: Part 1. Description of the Survey.
January 2001, 82 p.
Identifying Number(s): USGS/OFR-01-408
Keywords: Explosions; Shot points; California; Permitting; Seismic acquisition; Boreholes; Water levels; Sedimentary basins; Shot holes; Shot-size determination; Los Angeles Region Seismic Experiment (LARSE II); Surveys; Geologic setting; Seismic images; EarthquakesBorcherdt, R. D.; Fumal, T. E.
Shear-Wave Velocity Compilation for Northridge Strong-Motion Recording Sites.
March 7, 2002, 20 p.
Identifying Number(s): USGS/OFR-2002-107
Keywords: Evaluation; Geology; Seismic waves; California; Northridge (California); Geographical information systems; Boreholes; Data compilation; Ground motion; Measurement; Velocity; Maps; Building codes; EarthquakesGibbs, J. F.; Tinsley, J. C.; Boore, D. M.
Borehole Velocity Measurements at Five Sites That Recorded the Cape Mendocino, California Earthquake of 25 April, 1992.
January 2002, 58 p.
Identifying Number(s): USGS/OFR-02-203
Keywords: ; Travel time; Seismometers; California; Seismic waves; Data sources; Boreholes; Geological surveys; Ground motion; Acceleration; Velocity measurement; EarthquakesNormark, W. R.; Reid, J. A.; Sliter, R. W.; Holton, D.; Gutmacher, C. E.
Cruise Report for 01-99-SC Southern California Earthquake Hazards Project.
January 1999, 60 p.
Identifying Number(s): USGS-OFR-99-560
Keywords: ; Geologic faults; Deformation; California; Mitigation; Acoustic imaging; Hazards; USGS; Cruises; Offshore; Natural hazards; EarthquakesCatchings, R. D.; Goldman, M. R.; Gandhok, G.
Structure and Velocities of the Northeastern Santa Cruz Mountains and the Western Santa Clara Valley, California, from the SCSI-LR Seismic Survey.
January 2006, 82 p.
Identifying Number(s): USGS/OFR-2006-1014
Keywords: Geologic faults; California; Santa Cruz Mountains; San Francisco Bay; Geologic structures; Subsurface structures; Ground water; Alluvium deposits; Hazards; Water resources; Seismic surveys; Santa Clara Valley; Velocity; Valleys; Earthquakes