@misc{indiciae6d031edf7ce8,
  title = {United States earthquakes, 1961},
  author = {J.F. Lander and W.K. Cloud},
  year = {1984},
  doi = {10.3133/ofr84961},
  url = {https://pubs.usgs.gov/publication/ofr84961},
  note = {Source identifier: ofr84961}
}