@misc{indiciaeca6eb9194755,
  title = {First-motion focal mechanism solutions for the IASPEI earthquakes},
  author = {R.E. Needham},
  year = {1985},
  doi = {10.3133/ofr85458},
  url = {https://pubs.usgs.gov/publication/ofr85458},
  note = {Source identifier: ofr85458}
}