@misc{indiciaed291ad6ade13,
  title = {Earthquake data report, April 1989},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1989},
  doi = {10.3133/ofr89604a},
  url = {https://pubs.usgs.gov/publication/ofr89604A},
  note = {Source identifier: ofr89604A}
}