The fault has proven to be a significant contributor to seismic activity in the Oxnard region and beyond . The 6.7 Northridge earthquake that occurred on January 17 , 1994 is believed to have occurred in the Santa Clarita extension of the Oak Ridge Fault . Landslides and ridge-top shattering resulting from the Northridge earthquake were observed above Moorpark , a city east of Oxnard
Northridge earthquake
1994 Northridge earthquake
Oxnard, California