@misc{indiciae90225e3cb30f,
  title = {Moment-tensor solutions estimated using optimal filter theory: Global seismicity, 1998},
  author = {S.A. Sipkin and C. G. Bufe and M.D. Zirbes},
  year = {2000},
  doi = {10.1016/s0031-9201(99)00145-4},
  url = {https://pubs.usgs.gov/publication/70022893},
  note = {Source identifier: 70022893}
}