@misc{indiciaec847552ac36d,
  title = {Estimating earthquake magnitudes from reported intensities in the central and eastern United States},
  author = {Oliver S. Boyd and Chris H. Cramer},
  year = {2014},
  doi = {10.1785/0120120352},
  url = {https://pubs.usgs.gov/publication/70155212},
  note = {Source identifier: 70155212}
}