@misc{indiciae662f51918cea,
  title = {Foreshock occurrence before large earthquakes},
  author = {P.A. Reasenberg},
  year = {1999},
  doi = {10.1029/1998jb900089},
  url = {https://pubs.usgs.gov/publication/70021771},
  note = {Source identifier: 70021771}
}