@misc{indiciaedf8d4c362f5b,
  title = {Continuous tilt, strain, and magnetic field measurements near four earthquakes (ML = 3.6 to 3.8) on the San Andreas fault, California},
  author = {M.J.S. Johnston and A.C. Jones and C.E. Mortensen and B.E. Smith},
  year = {1978},
  doi = {10.3133/ofr78987},
  url = {https://pubs.usgs.gov/publication/ofr78987},
  note = {Source identifier: ofr78987}
}