@misc{indiciaefe70e6b38583,
  title = {Magnitudes and locations of the 1811-1812 New Madrid, Missouri, and the 1886 Charleston, South Carolina, earthquakes},
  author = {W. H. Bakun and M. G. Hopper},
  year = {2004},
  doi = {10.1785/0120020122},
  url = {https://pubs.usgs.gov/publication/70027142},
  note = {Source identifier: 70027142}
}