Morgan Hill is located within the seismically active San Francisco Bay region . The significant earthquakes in the region are generally associated with crustal movements along well-defined , active fault zones . The nearest known active faults are the San Andreas Fault , approximately southwest , and the Calaveras Fault , approximately northeast . Both faults have produced major earthquakes in the past , and have estimated maximum credible Richter magnitudes of 8.3 and 7.3 respectively . The 1984 Morgan Hill earthquake registered at a 6.2 magnitude
1984 Morgan Hill earthquake
1984 Morgan Hill earthquake
Morgan Hill, California