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Learn about the history, geology, and seismicity of the New Madrid seismic zone, the most seismically active area east of the Rocky Mountains. See maps of earthquake epicenters, faults, liquefaction, and sand blows.
The New Madrid Seismic Zone is a major source of intraplate earthquakes in the US, stretching from Illinois to Arkansas. It has a history of large earthquakes, the most recent being in 1811–12, and is associated with the Reelfoot Rift geological feature.
Learn about the history, geology, and risk of earthquakes in the New Madrid seismic zone, which covers parts of Missouri, Illinois, Kentucky, and Tennessee. See a map of earthquakes greater than magnitude 2.5 since 1972 and the USGS assessment of seismic hazard in the region.
Oct 2, 2019 · This map shows earthquakes of the New Madrid and Wabash Valley seismic zones from 1974 to 2002. It also indicates earthquakes that occurred prior to 1974 based on historical records and modern instruments.
See how a magnitude 7.7 earthquake on the southern section of the New Madrid seismic zone could affect the central U.S. region. The animation shows the ground shaking, the fault rupture, and the intensity colors based on a geologic model.
Learn about the most active seismic area in the U.S., east of the Rocky Mountains, and its history of major earthquakes in 1811-1812. Find out the current knowledge, research methods and hazard analysis of the fault system and its potential impact on the region.
People also ask
Is the New Madrid seismic zone a hazard?
Does New Madrid have a high earthquake hazard?
Is the New Madrid system'shutting down'?
What would happen if New Madrid erupted?
Learn about the geological feature and history of the New Madrid Seismic Zone, a region of deep-seated faults in the central U.S. that experienced powerful earthquakes in 1811-12. Find out how faults are classified, formed, and related to tectonic plate movements.
