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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.
1700 Cascadia earthquake: November 18, 1755: Massachusetts: 5.9 M w 0: 1755 Cape Ann earthquake: July 21, 1788: Alaska: 8.0 M s: Unknown [1] August 6, 1788: Alaska 8.0 M s Unknown [1] December 16, 1811: Missouri: 7.5–8.0 M w 100 −500: 1811–1812 New Madrid earthquakes: December 8, 1812: California: 6.9 M la, 7.5 M w 40+ 1812 San Juan ...
A small earthquake that startled residents near Richmond, Virginia, this week is a reminder that the East Coast is not exempt from the dangers of temblors.. The 2.8 quake hit about 6 miles ...
The southeast region of the state is part of a mid-continent fault zone known as the New Madrid Fault. It’s possible to see back in time . Light travels at 186,000 miles per second , extending ...
4.7-magnitude earthquake hits southeast of San Antonio, felt all the way near Round Rock. Gannett. Fernanda Figueroa, Austin American-Statesman. February 17, 2024 at 3:47 PM. ... USA TODAY Sports.
Historical earthquakes is a list of significant earthquakes known to have occurred prior to the early 20th century. As the events listed here occurred before routine instrumental recordings — later followed by seismotomography imaging technique, [1] observations using space satellites from outer space, [2] artificial intelligence (AI)-based earthquake warning systems [3] — they rely mainly ...
The 1895 Charleston earthquake, also known as the Halloween earthquake, occurred on October 31, at 05:07 CST near Charleston, Missouri. It had an estimated moment magnitude of 5.8–6.6 and evaluated Modified Mercalli intensity of VIII ( Severe ). [ 1 ]