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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.
San Andreas Fault System (Banning fault, Mission Creek fault, South Pass fault, San Jacinto fault, Elsinore fault) 1300: California, United States: Dextral strike-slip: Active: 1906 San Francisco (M7.7 to 8.25), 1989 Loma Prieta (M6.9) San Ramón Fault: Chile: Thrust fault: Sawtooth Fault: Idaho, United States: Normal fault: Seattle Fault ...
The capital city of Arkansas, Little Rock, would also face damage. [4] A major natural gas pipeline is located near the fault, and could be devastated by any such earthquake. [1] Tennessee and Mississippi would possibly be affected as well. [6] In 2006, a letter to the Seismological Research Letters indicated the possible existence of a fault ...
For example, a fault outside of Kalamazoo was revealed after a 4.2-magnitude earthquake in 2015 — the state's largest since a 4.6-magnitude quake along the same fault in Coldwater in 1947.
On January 21, 2009, the director of the Arkansas Earthquake Center at the University of Arkansas announced the discovery of a major fault line near Marianna which could generate a 7.0 earthquake in the future. The fault is close to, but appears to be separate from, the nearby New Madrid Seismic Zone. [18]
Location of Arkansas in the United States. Arkansas is located in the southeastern United States, in the West South Central Census Bureau division. Arkansas covers an area of 53,179 square miles (137,733 km²) and ranks as the 29th largest state by size. [7]
A fault off the Pacific coast could devastate Washington, Oregon and Northern California with a major earthquake and tsunami. Researchers mapped it comprehensively for the first time.
Locations of quakes magnitude 2.5 or greater in the Wabash Valley (upper right) and New Madrid (lower left) Seismic Zones. The Wabash Valley seismic zone (also known as the Wabash Valley fault system or fault zone) is a tectonic region located in the Midwestern United States, centered on the valley of the lower Wabash River, along the state line between southeastern Illinois and southwestern ...