What fault is closest to Fresno?

The fault closest to Fresno is the Sierra Nevada Fault Zone, which runs along the eastern edge of the San Joaquin Valley. Additionally, the Mendota Fault is also nearby, located to the west of Fresno. Both faults are part of a complex tectonic setting influenced by the San Andreas Fault system. These faults can produce seismic activity, though significant earthquakes are relatively infrequent in the immediate Fresno area.