References Parkfield Shake Map: CISN Preliminary Report: USGS Moment Tensor: UCB Report on GEOS array data: Borcherdt, R. D. et al., 2004, Acceleration and volumetric strain generated by the Parkfield 2004 earthquake on the GEOS strong-motion array near Parkfield, Calif.: U.S.G.S. OFR 2004-1376. Trigger time correction: CGS Home + Login + Download + About Us + Contact Earthquakes + stations + Search + Map + Advanced Search