NEHRP Clearinghouse

Title
Modified Mercalli Intensities (MMI) for Large Earthquakes Near New Madrid, Missouri, in 1811-1812 and Near Charleston, South Carolina, in 1886.
File
PB2006105490.pdf
Author(s)
Bakun, W. H.; Johnston, A. C.; Hopper, M. G.
Source
January 2002, 36 p.
Identifying Number(s)
USGS/OFR-02-184
Abstract
Large historical earthquakes occurred in the eastern United States on December 16, 1811 near New Madrid, MO, on January 23, 1812 near New Madrid, MO, on February 7, 1812 near New Madrid, MO, and on September 1, 1886 near Charleston, SC. Modified Mercalli Intensity (MMI) assignments for these earthquakes were used by Bakun et al. (submitted) to estimate the location and moment magnitude M of these earthquakes from MMI observations. The MMI assignments used by Bakun et al. (submitted) are listed in this report.
Keywords
Locations; New Madrid (Missouri); Assignments; Longitude; Magnitudes; Site corrections; Earthquakes; Latitude; Charleston (South Carolina); Missouri; Towns; Cities; Modified Mercalli Intensity (MMI); Tables (Data)