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English: This map shows the seismic hazard zones in the United States. It also shows the states which are at a higher risk of receiving earthquakes. It also shows the states which are at a higher risk of receiving earthquakes.
The Northern Appalachians seismic zone is an active seismic zone in the Appalachian Mountains of eastern North America, extending from New Brunswick southwards into New England and Boston. [1] Both the seismic zone and the resultant Appalachian Mountains were created by the collision of two tectonic plates about 440–480 million years ago ...
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Quaternary fault and fold database for the United States, United States Geological Survey. Working Group on California Earthquake Probabilities (2008), The Uniform California Earthquake Rupture Forecast, Version 2 (UCERF 2) (PDF) , vol. Open-File Report 2007-1437, United States Geological Survey, pp. 2053–2107, Bibcode : 2009BuSSA..99.2053F ...
A map by the California Geological Survey shows faults near the Lake Almanor area in Plumas County, where a magnitude 5.5 earthquake struck Thursday, May 11, 2023, followed by a magnitude 5.2 ...
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 ...
The San Diego Trough Fault Zone is a group of connected right-lateral strike-slip faults that run parallel to the coast of Southern California, United States, for 150–166 km (93–103 mi). The fault zone takes up 25% of the slip within the Inner Continental Borderlands. Portions of the fault get within 30 km (19 mi) of populated cities ...
The Alder Creek Bridge in Manchester, California, is located within an Alquist-Priolo Earthquake Fault Zone. [ 2 ] Buildings built before 1972 may still lie on top of active faults, and those buildings can remain where they were originally built, unless they undergo a major remodel where more than 50% of the building changes.