Database of potential sources for earthquakes larger than magnitude 6 in Northern California
Open-File Report
96-705
By: Working Group on Northern California Earthquake Potential
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Abstract
The Northern California Earthquake Potential (NCEP) working group, composed of many contributors and reviewers in industry, academia and government, has pooled its collective expertise and knowledge of regional tectonics to identify potential sources of large earthquakes in northern California. We have created a map and database of active faults, both surficial and buried, that forms the basis for the northern California portion of the national map of probabilistic seismic hazard. The database contains 62 potential sources, including fault segments and areally distributed zones. The working group has integrated constraints from broadly based plate tectonic and VLBI models with local geologic slip rates, geodetic strain rate, and microseismicity. Our earthquake source database derives from a scientific consensus that accounts for conflict in the diverse data. Our preliminary product, as described in this report brings to light many gaps in the data, including a need for better information on the proportion of deformation in fault systems that is aseismic.
Suggested Citation
Working Group on Northern California Earthquake Potential, 1996, Database of potential sources for earthquakes larger than magnitude 6 in Northern California: U.S. Geological Survey Open-File Report 96-705, 40 p.; Downloads Directory, https://doi.org/10.3133/ofr96705.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Database of potential sources for earthquakes larger than magnitude 6 in Northern California |
| Series title | Open-File Report |
| Series number | 96-705 |
| DOI | 10.3133/ofr96705 |
| Year Published | 1996 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Contributing office(s) | Earthquake Science Center, Menlo Park Science Center |
| Description | 40 p.; Downloads Directory |
| Country | United States |
| State | California |
| Other Geospatial | San Andreas Fault;San Gregorio Fault;Hayward Fault;Calaveras Fault |
| Online Only (Y/N) | Y |
| Additional Online Files (Y/N) | Y |