@misc{indiciaec4acedb8f780,
  title = {On the reported magnetic precursor of the 1989 Loma Prieta earthquake},
  author = {J.N. Thomas and J.J. Love and M.J.S. Johnston},
  year = {2009},
  doi = {10.1016/j.pepi.2008.11.014},
  url = {https://pubs.usgs.gov/publication/70034699},
  note = {Source identifier: 70034699}
}