TY - RPRT TI - Focal plane solutions of aftershocks to the Oroville earthquake of August 1, 1975 AU - M. J. Simirenko AU - C. Barry Raleigh PY - 1977 DO - 10.3133/ofr77527 UR - https://pubs.usgs.gov/publication/ofr77527 ID - ofr77527 ER -