Septentrional-Oriente fault zone
The Septentrional-Orient fault zone (SOFZ) is a system of coaxial left lateral-moving strike slip faults which runs along the northern side of the island of Hispaniola where the Dominican Republic and Haiti are located. The SOFZ shares approximately half of the relative motion between the North American and Caribbean tectonic plates with the Enriquillo-Plantain Garden fault zone which runs along the southern side of Hispaniola. Both faults merge into the Cayman Trench to the west. Some researchers believe that the Enriquillo-Plantain Garden fault zone and the SOFZ bound a microplate, dubbed the Gonâve Microplate, a 190,000 km2 (73,000 sq mi) area of the northern Caribbean Plate that is in the process of shearing off the Caribbean Plate and accreting to the North America Plate.
- Dolan, James F; Mann, Paul (1998). Active Strike-slip and Collisional Tectonics of the Northern Caribbean Plate Boundary Zone. Geological Society of America. p. ix. ISBN 0-8137-2326-4.
- (French) Prepetit, Claude (9 October 2008), "Tremblements de terre en Haïti, mythe ou réalité?", Le Matin, N° 33082, quoting Moreau de Saint-Méry, Médéric Louis Élie, Description topographique, physique, civile, politique et historique de la partie française de l’Ile Saint Domingue and J. M. Jan, bishop of Cap-Haïtien (1972), Documentation religieuse, Éditions Henri Deschamps.
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