@misc{indiciae236bcbc8b05c,
  title = {Aftershocks: Are they earthquakes or afterthoughts?},
  author = {S. E. Hough and L.M. Jones},
  year = {2011},
  doi = {10.1029/97eo00306},
  url = {https://pubs.usgs.gov/publication/70019547},
  note = {Source identifier: 70019547}
}