References for this information:
McGee, W.J., Sloan, E., Manigault, G.E., Newcomb, S., and others, 1986, First-hand observations of the Charleston earthquake of August 31, 1886, and other earthquake materials (Peters, K. E., and Herrmann, R.B. eds): South Carolina Geological Survey Bulletin 41, 116p.
Earthquakes in Indiana, (no date), Indiana Geological Survey Brochure.
Junior science on file, 1991: Facts on File.
Nishenko, S.P. and Bollinger, G.A., 1990, Forecasting damaging earthquakes in the Central and Eastern United States: Science, v. 249, p. 1412-1416.
Nystrom, P.G., Jr., Assisted by Clendenin, C.W., Jr., and Doar, W.R., III, 1996, Earthquake hazard map of the South Carolina Coastal Plain: South Carolina Geological Survey, General Geologic Map Series, 1p.
Maybin, A.H., Clendenin, C.W., Jr., Assisted by Daniels, D.L., 1998, Structural features map of South Carolina: South Carolina Geological Survey General Geologic Map Series, 1p.
Earthquake Education Center, South Carolina Earthquakes, (no date), Charleston Southern University Booklet.
VanCleave, J.P., 1991, Janice VanCleaves earth science for every kid: 101 experiments that really work: John Wiley & Sons, Inc., 231p.
Note: McGee and others (1986) source for Figures 2 through 4 and Figure 9.