Santa Clarita Valley Sheriff's Department deputies scrambled to Quantum Staffing on Avenue Stanford at approximately 12:41 p.m. after a bomb threat was phoned in by a female caller, according to Lt. Tom Bryski.

Deputies searched the Quantum Staffing building and no explosive were found, Bryski said.

Authorities don't know who phoned in the bomb threat or where the call originated.

"This turned out to be nothing," Bryski said.