@misc{indiciaeea8613f714a1,
  title = {National Earthquake Information Center, semi-annual technical report; Volume 1 Number 2},
  author = {National Earthquake Information Center},
  year = {1989},
  doi = {10.3133/ofr89207},
  url = {https://pubs.usgs.gov/publication/ofr89207},
  note = {Source identifier: ofr89207}
}