@misc{indiciae1f2f126297cd,
  title = {Preliminary determination of epicenters; monthly listing; January-March 1999},
  author = {National Earthquake Information Center},
  year = {1999},
  doi = {10.3133/ofr99600a},
  url = {https://pubs.usgs.gov/publication/ofr99600A},
  note = {Source identifier: ofr99600A}
}