@misc{indiciaeb68a9f830e0c,
  title = {A Double-difference Earthquake location algorithm: Method and application to the Northern Hayward Fault, California},
  author = {F. Waldhauser and W.L. Ellsworth},
  year = {2000},
  doi = {10.1785/0120000006},
  url = {https://pubs.usgs.gov/publication/70022170},
  note = {Source identifier: 70022170}
}