The Ventura County Fire Department posted photos on Twitter of the dusty cliffs when the temblor struck near Channel Islands on Thursday.
MORE: Channel Islands earthquake rattles baby eagles in treetop nest
A camera also captured three startled eagle chicks who were rattled in their treetop nest on the Channel Islands when the quake struck.
At the time of the temblor, more than 200 hikers, tourists and campers were enjoying the scenery. But no one came home early by boat and there were no serious injuries or damage reported.
The quake struck around 12:29 p.m. PT around 39 miles southwest of Oxnard, according to the U.S. Geological Survey.