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A transform fault or transform boundary, is a fault along a plate boundary where the motion is predominantly horizontal. [1] It ends abruptly where it connects to another plate boundary, either another transform, a spreading ridge, or a subduction zone. [2] A transform fault is a special case of a strike-slip fault that also forms a plate boundary.
The term fracture zone is used almost exclusively for features on oceanic crust; similar structures on continental crust are instead termed transform or strike slip faults. Some use the term “transform fault" to describe the seismically and tectonically active portion of a fracture zone after John Tuzo Wilson's concepts first developed with ...
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 Motagua Fault, which crosses through Guatemala, is a transform boundary between the southern edge of the North American plate and the northern edge of the Caribbean plate. New Zealand's Alpine Fault is another active transform boundary. The Dead Sea Transform (DST) fault which runs through the Jordan River Valley in the Middle East.
As the plates on either side of an offset mid-ocean ridge move, a transform fault forms at the offset between the two ridges. [2] Fracture zones and the transform faults that form them are separate but related features. Transform faults are plate boundaries, meaning that on either side of the fault is a different plate.
Map of the Dead Sea Transform showing the main fault segments and motion of the Arabian plate relative to the African plate, [1] from GPS data The Dead Sea Transform (DST) fault system, also sometimes referred to as the Dead Sea Rift, is a series of faults that run for about 1,000 km from the Marash triple junction (a junction with the East Anatolian Fault in southeastern Turkey) to the ...
Motion along the Mendocino Transform Fault (MTF) is right-lateral on E–W oriented, vertically dipping planes. Within the portion of North American crust overlying the Gorda slab, motion on faults is reverse, and in April 1992, a M 7.1 earthquake ruptured the southern portion of the Cascadia subduction zone. Similar to the general seismicity ...
Pacific Ocean depth map showing the Heezen fault and the Tharp fault as #17. The Eltanin fault system (Eltanin fracture zone) is a series of six or seven dextral transform faults that offset the Pacific-Antarctic Ridge, a spreading zone between the Pacific plate and the Antarctic plate. This is extending by up to 7.93 cm/year (3.12 in/year). [1]