TY  - RPRT
TI  - On the modified Mercalli intensities and magnitudes of the 1811/1812 New Madrid, central United States, earthquakes
AU  - S. E. Hough
AU  - J.G. Armbruster
AU  - Leonardo Seeber
AU  - J.F. Hough
PY  - 1999
DO  - 10.3133/ofr99565
UR  - https://pubs.usgs.gov/publication/ofr99565
ID  - ofr99565
ER  -