@misc{indiciaed1ac638e5d25,
  title = {Seismomagnetic effect generated by the October, 1989, ML, 7.1 Loma Prieta, California, Earthquake},
  author = {R.J. Mueller and M.J.S. Johnston},
  year = {2012},
  doi = {10.1029/gl017i008p01231},
  url = {https://pubs.usgs.gov/publication/70242677},
  note = {Source identifier: 70242677}
}