@misc{indiciae24d5eb38795c,
  title = {Preliminary determination of epicenters, monthly listing: January - March, 1987},
  author = {National Earthquake Information Center},
  year = {1988},
  doi = {10.3133/ofr87786a},
  url = {https://pubs.usgs.gov/publication/ofr87786A},
  note = {Source identifier: ofr87786A}
}