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Published November 1, 1979 | Published
Report Open

Establishment of a Southern California geophysical data and analysis center


We are in the stage in earthquake prediction research where it is necessary to provide the scientific community with immediate access to a wide variety of geophysical data. The Palmdale uplift and other geodetic and seismic-velocity data have focused attention on Southern California. Progress in the field of earthquake prediction can be substantially accelerated if widely separated researchers have simple and immediate access to a broad spectrum of remotely sensed data. Not only would this stimulate advances in the field of earthquake prediction, but also instrumental redundancy at various research institutions could be substantially reduced. This would in turn allow a more effective allocation of available funds to the core problems of earthquake prediction. The tantalizing but limited success of studies based on limited sets of data further suggests that a unified data acquisition and storage system could have a profound effect upon the course and direction of earthquake prediction research. Indeed, future progress may well depend on the cross-analysis of several different types of instrumental data. To this end the program to design a data acquisition and exchange network capable of keeping pace with the rapidly expanding needs of the field of earthquake prediction in the years to come was proposed in 1977 and funded early in 1978. Out of this program came two significant data acquisitions systems. They are CEDAR (Caltech Earthquake Detection and Recording System) and CROSS (Caltech Remote Observatory Support System). This report will only deal with the latter. CEDAR is treated in a separate report.

Additional Information

© 1981 USGS. Sponsored by the U.S. Geological Survey Contract No. 14-08-0001-16629.

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Published - Harkrider_1981.pdf


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