The 2004 Parkfield earthquake was the long-awaited fulfillment of the USGS's Parkfield Prediction Experiment (Bakun and Lindh, 1985, Bakun and McEvilly, 1984). Since 1881 M6 earthquakes occured near the town of Parkfield in Central California every 20 years. After the event in 1966, the next earthquake was predicted to occur in 1988 +/- 6 years. The years since the original prediction have seen the advent of space-based geodesy and now interferometric synthetic aperture radar (InSAR) data can now be added to the wealth of information on this earthquake. We present the results of a slip model encompassing the earthquake and two days of postseismic slip constrained by InSAR data from the ENVISAT satellite.
Berkeley Seismological Laboratory
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