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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.
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.
December 16, 1811 1811–1812 New Madrid earthquakes Missouri: 7.6–7.9 December 16, 1811 1811–1812 New Madrid earthquakes Montana: 7.2 August 17, 1959 1959 Hebgen Lake earthquake Nebraska: 7.0 November 15, 1877 [49] Nevada: 7.3 December 16, 1954 1954 Fairview earthquake New Hampshire: 6.5 June 1, 1638 1638 New Hampshire earthquake New ...
An undated photo from the US Geological Survey depicts a landslide trench and ridge in the Chickasaw Bluffs, east of Reelfoot Lake, Tennessee, resulting from the 1811 to 1812 New Madrid earthquakes.
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 ...
New Madrid was the epicenter of the powerful 3-month 2,000-earthquake 1811–1812 New Madrid earthquakes. In 2003, the U.S. Geological Survey predicted that another major earthquake will happen in New Madrid within the next 50 years, [ 18 ] a theory that was rejected by the geophysicist Seth Stein in his 2010 book Disaster deferred: how new ...
1811–1812 New Madrid earthquakes: 36.6 −89.6 7.8 M I: USGS February 7, 1812 09:45 New Madrid, Missouri, United States 1811–1812 New Madrid earthquakes: 36.6 −89.6 8 M I (Johnston, 1996) USGS March 26, 1812 16:37 Caracas, La Guaira, El Tocuyo, San Felipe, Barquisimeto, Mérida, La Victoria, Valencia, Venezuela 1812 Caracas earthquake ...
New Madrid County, Missouri, a county in the U.S. state of Missouri; New Madrid, Missouri, a city in New Madrid County; New Madrid Seismic Zone, a major seismic zone in Missouri, Tennessee, and Arkansas New Madrid earthquake, a series of four earthquakes that occurred in late 1811 and early 1812 "New Madrid" (song), by Uncle Tupelo from their ...