@misc{indiciae11c2ac1ba17c,
  title = {Rupture directivity of moderate earthquakes in northern California},
  author = {Linda C. Seekins and John Boatwright},
  year = {2010},
  doi = {10.1785/0120090161},
  url = {https://pubs.usgs.gov/publication/70042554},
  note = {Source identifier: 70042554}
}