@misc{indiciae520b347594ca,
  title = {Estimation of strong ground motions from hypothetical earthquakes on the Cascadia subduction zone, Pacific Northwest},
  author = {T. H. Heaton and S.H. Hartzell},
  year = {1989},
  doi = {10.1007/bf00874626},
  url = {https://pubs.usgs.gov/publication/70015691},
  note = {Source identifier: 70015691}
}