TY - RPRT TI - Continuous tilt, strain, and magnetic field measurements near four earthquakes (ML = 3.6 to 3.8) on the San Andreas fault, California AU - M.J.S. Johnston AU - A.C. Jones AU - C.E. Mortensen AU - B.E. Smith PY - 1978 DO - 10.3133/ofr78987 UR - https://pubs.usgs.gov/publication/ofr78987 ID - ofr78987 ER -