@misc{indiciae14a941e6239e,
  title = {Earthquake recurrence and risk assessment in circum-Pacific seismic gaps},
  author = {W. Thatcher},
  year = {1989},
  doi = {10.1038/341432a0},
  url = {https://pubs.usgs.gov/publication/70015086},
  note = {Source identifier: 70015086}
}