@misc{indiciae42aa77f09b86,
  title = {Height changes in the epicentral region preceding the January 17, 1994 Northridge earthquake},
  author = {Robert O. Castle and Robert F. Packard and Laura B. Dinitz},
  year = {2000},
  doi = {10.3133/ofr002},
  url = {https://pubs.usgs.gov/publication/ofr002},
  note = {Source identifier: ofr002}
}