DEL MAR, Calif. – A portion of a bluff collapsed onto a beach area in Del Mar Wednesday morning, sending large rocks and piles of dirt tumbling onto the sand.

The collapse occurred near 10th Street and Camino Del Mar before 8:30 a.m. There are no homes along the bluff and there was no one underneath when the collapse occurred, according to a battalion chief with the Del Mar Fire Department. The piece of the bluff that collapsed was estimated at about 75 feet by 75 feet.

K9s with the San Diego County Sheriff’s Department and FEMA searched the rubble, but found no injured people.

The area was roped off by Del Mar lifeguards and emergency workers.