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This list covers all faults and fault-systems that are either geologically important [clarification needed] or connected to prominent seismic activity. [clarification needed] It is not intended to list every notable fault, but only major fault zones.
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.
Despite the rarity of strong East Coast earthquakes in the United States, they do sometimes occur. Furthermore, when these rare eastern U.S. events do occur, the areas affected by them are, on average ten times as large as western ones for events of the same magnitude. [11] Thus, earthquakes represent at least a moderate hazard to East Coast ...
The East and Gulf coasts aren’t generally at risk for earthquake-caused tsunamis because they do not have major fault lines that run under their coastal areas, according to the United States ...
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.
Pages in category "Seismic faults of the United States" The following 20 pages are in this category, out of 20 total. This list may not reflect recent changes.
What are the fault lines under New York and New Jersey? Fault lines are fractures between blocks of rock in the Earth’s crust, the layer closest to the surface. These lines allow tectonic plates ...
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 ...