Gulf of California Rift Zone

Northernmost extension of the East Pacific Rise

The Gulf of California Rift Zone (GCRZ) is the northernmost extension of the East Pacific Rise which extends some 1,300 km (800 mi) from the mouth of the Gulf of California to the southern terminus of the San Andreas Fault at the Salton Sink.

The GCRZ is an incipient rift zone akin to the Red Sea Rift. In the GCRZ continental crust originally associated with the North American plate has been pulled apart by tectonic forces and is being replaced by newly formed oceanic crust and seafloor spreading. The rifting has resulted in the transfer of the Baja California peninsula to the Pacific plate.

## List of GCRZ transform faults

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From north to south:

* Imperial Fault Zone
* Cerro Prieto Fault
* Ballenas Fault
* Partida Fault
* San Lorenzo Fault
* Guaymas Fault
* Carmen Fault
* Farallon Fault
* Atl Fault
* Pescadero Fault
* Tamayo Fault

## List of GCRZ rift basins

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From north to south:

* Brawley seismic zone
* Cerro Prieto
* Wagner Basin
* Consag Basin
* Adair-Tepoca Basin
* Tiburon Basin
* Delfin Basin
* San Pedro Martir Basin
* Guaymas Basin
* Carmen Basin
* Farallon Basin
* Pescadero Basin
* Alarcon Basin

## References

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* Clayton, W.R. & Trampert, J. & Rebollar, C. & Ritsema, Jeroen & Persaud, Patricia & Paulssen, J.A.M. & Pérez-Campos, Xyoli & Wettum, A. & Perez-Vertti, A. & DiLuccio, F.. (2004). The NARS-Baja seismic array in the Gulf of California rift zone. MARGINS Newslett. 13.

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Major seismically active faults of North America

North America
(crosses national borders)|

* Aleutian Trench (US–RU)
* Basin and Range Province (US–MX)
* Canadian Arctic Rift System (CA–GL)
* Cascadia subduction zone (US–CA)
* Clarendon-Linden fault system (US–CA)
* Denali Fault (US–CA)
* Northern Cordilleran Volcanic Province (CA–US)
* Puget Sound faults (US–CA)
* Rio Grande rift (US–MX)
* San Andreas Fault (US–MX)
* Southern Great Lakes seismic zone (US–CA)
* Tintina Fault (US–CA)

Canada|

* Charlevoix seismic zone
* Laurentian Slope seismic zone
* Leech River Fault
* Queen Charlotte Fault
* Saguenay Graben
* Saint Lawrence rift system
* Timiskaming Graben
* Western Quebec seismic zone

United States|

| Washington and Oregon|

* Brothers Fault Zone
* Olympic–Wallowa lineament
* Puget Sound (Seattle Fault, Tacoma Fault)
* Walker Lane

|

California|

* Calaveras Fault
* Garlock Fault
* Hayward Fault Zone
* Mendocino fracture zone
* Newport–Inglewood Fault
* Puente Hills Fault
* Rose Canyon Fault
* San Jacinto Fault Zone (Elsinore Fault Zone)

Great Basin|

* Independence Valley fault system
* Moab Fault
* Teton Fault
* Wasatch Fault

Great Plains|

* Humboldt Fault
* Long Point–Eureka Heights fault system
* Meers Fault
* Nemaha Fault Zone

Midwest|

* Marianna Fault
* New Madrid seismic zone
* Sandwich Fault Zone
* Wabash Valley seismic zone

Appalachian Mountains
and Atlantic Coast|

* Eastern Tennessee seismic zone
* Northern Appalachians seismic zone
* Ramapo Fault
* Virginia seismic zones

Alaska|

* Salcha seismic zone

Caribbean and Mexico|

* Cayman Trough
* Chixoy-Polochic Fault
* Enriquillo–Plantain Garden fault zone (Cuba)
* Gulf of California Rift Zone
* Lesser Antilles subduction zone
* Middle America Trench (Central America)
* Motagua Fault (Central America)
* Pedro Miguel Fault
* Puerto Rico Trench

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Tectonic plates of Central America (Pacific plate–North American plate–Caribbean plate c
onvergence zone)

Large|

* Cocos plate
* Nazca plate

Small|

* Rivera plate

Faults and
rift zones|

* Atl Fault
* Atoyac Fault
* Ballenas Fault
* Carmen Fault
* Cerro Prieto Fault
* Chapala Tula Fault Zone
* Donaji Fault
* Guaymas Fault
* Gulf of California Rift Zone
* Farallon Fault
* Imperial Fault Zone
* Oaxaca Fault
* Pedro Miguel Fault
* Pescadero Fault
* Rivera Transform Fault
* Polochic Fault–Motagua Fault
* San Lorenzo Fault
* Tamayo Fault

Trenches and
troughs|

* Alarcon Basin
* Carmen Basin
* Consag Basin
* Delfin Basin
* Guaymas Basin
* Middle America Trench (Acapulco/Guatemala)
* San Pedro Mártir Basin
* Tehuantepec Ridge
* Wagner Basin

Other|

* Rivera triple junction
* List of faults in Costa Rica
* List of seismic faults in Mexico

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