1811–1812 New Madrid earthquakes - Wikipedia
The 1811–1812 New Madrid earthquakes were a series of intense intraplate earthquakes beginning with an initial earthquake of moment magnitude 7.2–8.2 on December 16, 1811, followed by a moment magnitude 7.4 aftershock on the same day. Two additional earthquakes of similar magnitude followed in January and February 1812.
New Madrid earthquakes of 1811–12 - Encyclopedia Britannica
New Madrid earthquakes of 1811–12, series of three large earthquakes that occurred near New Madrid, Missouri, between December 1811 and February 1812. There were thousands of aftershocks, of which 1,874 were large enough to be felt …
Summary of 1811-1812 New Madrid Earthquakes Sequence
Overview. A Sequence of Three Main Shocks in 1811-1812. This sequence of three very large earthquakes is usually referred to as the New Madrid earthquakes, after the Missouri town that was the largest settlement on the Mississippi River …
1811-1812 New Madrid, Missouri Earthquakes | U.S. Geological …
Oct 2, 2019 · This map shows earthquakes (circles) of the New Madrid and Wabash Valley seismic zones (orange patches). Red circles indicate earthquakes that occurred from 1974 to 2002 with magnitudes larger than 2.5 located using modern instruments (University of Memphis).
New Madrid Earthquakes of 1811-1812
Jul 26, 2024 · The New Madrid Earthquakes took place between December 1811 and April 1812 along an active fault line that extends roughly from Marked Tree (Poinsett County) in a northeasterly direction, crossing several states for about 150 miles.
The Lost History of the New Madrid Earthquakes
Recent research on New Madrid area seismicity has demonstrated that the 1811–12 earthquakes were not simply an anomaly, but part of a continuing series of earthquakes that goes back several thousand years.
New Madrid Earthquakes of 1811–1812 - Missouri Encyclopedia
New Madrid Earthquakes of 1811–1812. During the early hours of December 16, 1811, a series of violent shakes roused inhabitants of the mid-Mississippi valley from their nighttime slumbers.
1811-1812 New Madrid Earthquakes Overview from Otto W.
Oct 3, 2019 · Obion County, Tennessee. (Public domain.) Shortly after 2 o'clock on the morning of December 16, 1811, the Mississippi River valley was convulsed by an earthquake so severe that it awakened people in cities as distant at Pittsburgh, Pennsylvania, and Norfolk, Virginia.
Secrets from the New Madrid Seismic Zone’s Quaking Past
Apr 9, 2019 · The “nonperiodic earthquake recurrence has important implications for seismic-hazard and geodynamic modeling in the New Madrid Seismic Zone,” the researchers wrote in the abstract for Gold’s...
Possible causes of the New Madrid earthquakes - Encyclopedia Britannica
New Madrid earthquakes of 1811–12 - Fault Lines, Seismic Activity, Intensity: Over the past 4,500 years, a number of major earthquakes of magnitude 7.0 to 8.0 occurred in the NMSZ. These events include clusters of large earthquakes that have been dated to …
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