@misc{indiciae233c27c69b8f,
  title = {Seismic energy release preceding earthquakes in three areas in Japan},
  author = {David J. Varnes},
  year = {1988},
  doi = {10.3133/ofr88538},
  url = {https://pubs.usgs.gov/publication/ofr88538},
  note = {Source identifier: ofr88538}
}