TY - RPRT TI - Ground fracturing at the southern end of Summit Ridge caused by October 17, 1989 Loma Prieta, California, earthquake sequence AU - S. Y. Martosudarmo AU - A. M. Johnson AU - R. W. Fleming PY - 1997 DO - 10.3133/ofr97129 UR - https://pubs.usgs.gov/publication/ofr97129 ID - ofr97129 ER -