@misc{indiciae4b07ae79e917,
  title = {Earthquakes: Hydrogeochemical precursors},
  author = {Steven E. Ingebritsen and Michael Manga},
  year = {2014},
  doi = {10.1038/ngeo2261},
  url = {https://pubs.usgs.gov/publication/70128256},
  note = {Source identifier: 70128256}
}