@misc{indiciaee182beef225a,
  title = {National Earthquake Information Center semi-annual technical report; Volume 2 Number 1},
  author = {National Earthquake Information Center},
  year = {1990},
  doi = {10.3133/ofr90267},
  url = {https://pubs.usgs.gov/publication/ofr90267},
  note = {Source identifier: ofr90267}
}