Azores–Gibraltar Transform Fault

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The Azores–Gibraltar Transform Fault, also called the Azores-Gibraltar fault zone (AGFZ), is a major fault zone which runs eastward from the eastern end of the Terceira Rift in the Azores, extending through the Strait of Gibraltar and into the Mediterranean Sea. It forms part of the tectonic boundary between the Eurasian Plate and the African Plate. The extension east of the Strait of Gibraltar is poorly understood and is currently regarded as a "diffuse" boundary. Somewhere in the vicinity of the Italian Peninsula, many geologists believe the fault connects with a subduction zone where the African Plate is slowly subducting beneath the Eurasian Plate.

The fault is described as a right-lateral transform fault, moving about 4 mm (0.16 in) per year, but eastern segments of the fault show evidence of compression as well.

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Coordinates: 37°N 16°W / 37°N 16°W / 37; -16