The Alarcon Basin is a submarine depression located on the seabed at the southern end of the Gulf of California. The basin results from the activity of the southernmost spreading center in the Gulf. This spreading center has also produced the southernmost oceanic rift in the

Gulf of California Rift Zone The Gulf of California Rift Zone (GCRZ) is the northernmost extension of the East Pacific Rise which extends some 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 incipi ...

, the Alarcon Rise. The basin and rise are linked to the

Tamayo Fault The Tamayo Fault is a major right lateral-moving transform fault located on the seabed at the mouth of the Gulf of California. The fault is the southernmost transform in the Gulf of California Rift Zone. The fault links the Rivera Ridge segment of ...

to the south, and the

Pescadero Fault The Pescadero Fault is a right lateral-moving transform fault located on the seafloor of the southern Gulf of California. It links the Pescadero Basin to the north with the Alarcon Basin to the south. All these features are part of the Gulf of C ...

in the north.

References

''Continent-Ocean Transition Across the Alarcon Basin, Gulf of California from Seismic Reflection and Refraction Data'', Sutherland et al (2003)
{{Central America plates Geology of Mexico