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New Madrid fault and earthquake-prone region considered at high risk today. 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 ...
The New Madrid seismic zone (NMSZ), sometimes called the New Madrid fault line (or fault zone or fault system), is a major seismic zone and a prolific source of intraplate earthquakes (earthquakes within a tectonic plate) in the Southern and Midwestern United States, stretching to the southwest from New Madrid, Missouri.
New Madrid earthquake [ edit ] While Bradbury was returning from the Astor Expedition to New Orleans he was near at Chicksaw Bluffs (future site of Memphis, Tennessee on 16 December 1811, on the Mississippi River when the first of three earthquakes known as the New Madrid earthquake occurred.
In 1811–1812, a series of large earthquakes occurred on the rift, causing great devastation. [ 2 ] Martin and Hough postulated three different plausible events, a north-northwest rupture from Henson Lake to Charleston, a northeast rupture on the western boundary faults of the Reelfoot Rift, or north-northeast or north-northwest rupture within ...
Aftershocks from devastating earthquakes in the 1800s near the Missouri-Kentucky border and in Charleston, South Carolina, may still be occurring, a study found.
George Lewis (also known as Slave George or Lilburn Lewis' slave George) (c. 1794 – December 15, 1811) was an African American boy held as a slave; he was murdered in western Kentucky on the night of December 15–16, 1811 by Lilburne and Isham Lewis, grown sons of Dr. Charles Lilburn Lewis and Lucy Jefferson Lewis, and nephews of Thomas Jefferson.
Moderately damaging earthquakes strike between New York and Wilmington, Delaware, about twice a century, the USGS said, and smaller earthquakes are felt in the region roughly every two to three years.
Examples of intraplate earthquakes include those in Mineral, Virginia, in 2011 (estimated magnitude 5.8), Newcastle, New South Wales in 1989, New Madrid in 1811 and 1812 (estimated magnitude as high as 8.6), [6] the Boston (Cape Ann) earthquake of 1755 (estimated magnitude 6.0 to 6.3), earthquakes felt in New York City in 1737 and 1884 (both ...