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1. en.wikipedia.org › wiki › New_Madrid_Seismic_ZoneNew Madrid Seismic Zone - Wikipedia

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   History. Earthquakes in the New Madrid and Wabash Valley seismic zones. The zone had four of the largest earthquakes in recorded North American history, with moment magnitudes estimated to be as large as 7 or greater, all occurring within a 3-month period between December 1811 and February 1812.

2. www.usgs.gov › programs › earthquake-hazardsThe New Madrid Seismic Zone | U.S. Geological Survey - USGS.gov

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   Learn about the history and geology of the New Madrid seismic zone, where the largest earthquakes in the eastern U.S. occurred in 1811-1812. See maps, images, and sources of the faults, liquefaction, and effects of the earthquakes.

3. www.britannica.com › event › New-Madrid-earthquakesNew Madrid earthquakes of 1811–12 | History ... - Britannica

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   Mar 29, 2024 · 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 in Louisville, Kentucky, about 190 miles (300 km) away.

   • Author: John P. Rafferty

4. People also ask

   Where were the New Madrid earthquakes?

   • 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 in Louisville, Kentucky, about 190 miles (300 km) away.

   New Madrid earthquakes of 1811–12 - Encyclopedia Britannica

   www.britannica.com/event/New-Madrid-earthquakes-of-1811-1812

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   What is New Madrid seismic zone - Quaternary Fault localities?

   • New Madrid Seismic Zone - Quaternary Fault Localities. Earthquakes with magnitudes equal to or larger than 2.5 are shown by the yellow dots. (Public domain.) When people think of earthquakes in the United States, they tend to think of the west coast. But earthquakes also happen in the eastern and central U.S.

   The New Madrid Seismic Zone | U.S. Geological Survey - USGS.gov

   www.usgs.gov/programs/earthquake-hazards/new-madrid-seismic-zone

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   Which fault system was responsible for the 1811–12 New Madrid earthquakes?

   • The New Madrid fault system was responsible for the 1811–12 New Madrid earthquakes and has the potential to produce large earthquakes in the future. Since 1812, frequent smaller earthquakes have been recorded in the area.

   New Madrid Seismic Zone - Wikipedia

   en.wikipedia.org/wiki/New_Madrid_Seismic_Zone

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   How powerful was the New Madrid earthquake?

   • Each New Madrid earthquake had a magnitude of 7.5 or greater, making them three of the most powerful in the continental United States and shaking an area ten times larger than that affected by the magnitude 7.8 San Francisco earthquake of 1906. The Midwest was sparsely populated, and deaths were few.

   The Great Midwest Earthquake of 1811 | Smithsonian

   www.smithsonianmag.com/science-nature/the-great-midwest-earthquake-of-1811-46342/

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5. en.wikipedia.org › wiki › 1811–1812_New_Madrid1811–1812 New Madrid earthquakes - Wikipedia

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   New Madrid fault and earthquake-prone region considered at high risk today. The 1811–1812 New Madrid earthquakes (/ ˈ m æ d r ɪ d /) 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 ...

6. www.usgs.gov › programs › earthquake-hazardsSummary of 1811-1812 New Madrid Earthquakes Sequence

   www.usgs.gov › programs › earthquake-hazards

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   Learn about the three large earthquakes that occurred in 1811-1812 in the central U.S., causing widespread damage and geologic changes. Find out the magnitudes, aftershocks, effects, and evidence for prehistoric earthquakes in the region.

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     The "Hard Shock:" The New Madrid Earthquakes.

     Feb 7, 2022

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     Effects and Accounts of the 1811-1812 New Madrid Earthquakes

     Jun 2, 2011

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     New Madrid - The Earthquakes of 1811 and 1812

     Mar 23, 2017

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8. www.smithsonianmag.com › science-nature › the-greatThe Great Midwest Earthquake of 1811 | Smithsonian

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   At 2:15 a.m. on December 16, 1811, residents of the frontier town of New Madrid, in what is now Missouri, were jolted from their beds by a violent earthquake. The ground heaved and pitched,...

9. www.usgs.gov › programs › earthquake-hazards1811-1812 New Madrid, Missouri Earthquakes | U.S. Geological ...

   www.usgs.gov › programs › earthquake-hazards

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   Learn about the three large earthquakes that occurred in 1811-1812 and their aftershocks, as well as the geologic record of past earthquakes in the New Madrid seismic zone. Find sources, eyewitness accounts, and multimedia from the USGS Earthquake Hazards Program.

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