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  2. Atlantic Seaboard Fall Line - Wikipedia

    en.wikipedia.org/wiki/Atlantic_Seaboard_Fall_Line

    Dimensions. • Length. 900 mi (1,400 km) [2] Map all coordinates using OpenStreetMap. The Atlantic Seaboard Fall Line, or Fall Zone, is a 900-mile (1,400 km) escarpment where the Piedmont and Atlantic coastal plain meet in the eastern United States. [2] Much of the Atlantic Seaboard fall line passes through areas where no evidence of faulting ...

  3. Cascadia subduction zone - Wikipedia

    en.wikipedia.org/wiki/Cascadia_subduction_zone

    45°N124°W / 45°N 124°W The Cascadia subduction zone is a 960 km (600 mi) fault at a convergent plate boundary, about 100–200 km (70–100 mi) off the Pacific coast, that stretches from northern Vancouver Island in Canada to Northern California in the United States. It is capable of producing 9.0+ magnitude earthquakes and tsunamis ...

  4. Ramapo Fault - Wikipedia

    en.wikipedia.org/wiki/Ramapo_Fault

    Ramapo Fault. The Ramapo Fault zone is a system of faults between the northern Appalachian Mountains and Piedmont areas to the east. [1] Spanning more than 185 miles (298 km) in New York, New Jersey, and Pennsylvania, it is perhaps the best known fault zone in the Mid-Atlantic region, and some small earthquakes have been known to occur in its ...

  5. Geology of the United States - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_United_States

    Geology of the United States. Appearance. Shaded relief map of the United States, showing 10 geological provinces. The richly textured landscape of the United States is a product of the dueling forces of plate tectonics, weathering and erosion. Over the 4.5 billion-year history of the Earth, tectonic upheavals and colliding plates have raised ...

  6. Geology of North America - Wikipedia

    en.wikipedia.org/wiki/Geology_of_North_America

    Geologic map of North America. The geology of North America is a subject of regional geology and covers the North American continent, the third-largest in the world. Geologic units and processes are investigated on a large scale to reach a synthesized picture of the geological development of the continent. The divisions of regional geology are ...

  7. New Madrid Seismic Zone - Wikipedia

    en.wikipedia.org/wiki/New_Madrid_Seismic_Zone

    Magnetic potential map of the Reelfoot Rift. The New Madrid Seismic Zone (NMSZ), sometimes called the New Madrid Fault Line, 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.

  8. List of fault zones - Wikipedia

    en.wikipedia.org/wiki/List_of_fault_zones

    1839, May 1930, Dec 1930, 1946, 1956, 2012. Salzach-Ennstal-Mariazell-Puchberg Fault System (SEMP) 400 [ 6 ] Austria. Sinistral strike-slip. San Andreas Fault System (Banning fault, Mission Creek fault, South Pass fault, San Jacinto fault, Elsinore fault) 1300. California, United States. Dextral strike-slip.

  9. Mid-Atlantic Ridge - Wikipedia

    en.wikipedia.org/wiki/Mid-Atlantic_Ridge

    The Mid-Atlantic Ridge is a mid-ocean ridge (a divergent or constructive plate boundary) located along the floor of the Atlantic Ocean, and part of the longest mountain range in the world. In the North Atlantic, the ridge separates the North American from the Eurasian Plate and the African Plate, north and south of the Azores Triple Junction.