@misc{indiciaecfca1be68d99,
  title = {Source character of microseismicity in the San Francisco Bay block, California, and implications for seismic hazard},
  author = {J. A. Olson and M.L. Zoback},
  year = {1998},
  doi = {10.1785/bssa0880020543},
  url = {https://pubs.usgs.gov/publication/70021050},
  note = {Source identifier: 70021050}
}