TY - RPRT TI - Characterization of the time-dependent strain field at seismogenic depths using first-motion focal mechanisms: Observations of large-scale decadal variations in stress along the San Andrea fault system AU - S.A. Sipkin AU - P.G. Silver PY - 2003 UR - https://pubs.usgs.gov/publication/70025493 ID - 70025493 ER -