The Southern California Seismographic Network

Abstract

The Southern California Seismographic Network (SCSN) is jointly operated by the Pasadena Office of the U. S. Geological Survey and the Seismological Laboratory of the California Institute of Technology. The SCSN has 224 remote sites (with 434 components) and gathers data from local, regional and teleseismic earthquakes. These data are used for earthquake hazards reduction as well as for basic scientific research. The earthquake hazards reduction effort has become more important as moderate-sized earthquakes continue to occur within densely populated areas in southern California. Although the USGS operates most of the remote stations in the SCSN, Caltech operates 24 short-period telemetered stations and 15 very broad-band TERRAscope stations. In 1994-1995 we plan to install four more TERRAscope stations. Caltech also maintains drum recorders and other equipment at the central site located in the Seismological Laboratory at Caltech.

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