The Salton Trough is a result of crustal stretching and sinking by the combined actions of the San Andreas Fault and the East Pacific Rise. The Salton Sink is the topographic low area within the Salton Trough. The Brawley seismic zone forms the southeast end of the basin and connects the San Andreas Fault system with the Imperial Fault Zone to the south. The Salton Buttes are rhyolite lava domes within the basin which were active 10,300 (± 1000) years BP.
The Salton Trough is commonly subject to migrating earthquake swarms.
- Kearey, Philip and Frederick J. Vine, Global Tectonics, Blackwell Science, 2nd ed., 1996, pp. 131–133 ISBN 0-86542-924-3
- Fuis, Cary S. and Walter D. Mooney, Salton Trough Lithospheric Structure and Tectonics from Seismic-Refraction and Other Data in USGS Professional Paper 1515]
- "Salton Buttes". Global Volcanism Program. Smithsonian Institution.
- Roland, Emily; McGuire, Jeffrey J (2009), "Earthquake swarms on transform faults" (PDF), Geophysical Journal International, 178 (3): 1677, doi:10.1111/j.1365-246X.2009.04214.x
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