@misc{indiciae6786a94f22ae,
  title = {Global hypocenter data base},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1989},
  doi = {10.3133/75},
  url = {https://pubs.usgs.gov/publication/75},
  note = {Source identifier: 75}
}