The temblor hit at 12:46 p.m. and was 10.7 miles in depth. It was 5.6 miles northwest of Valencia and 9.9 miles northwest of Santa Clarita.
No damage or injuries were immediately reported.
Southern California residents reported feeling a jolt in Canyon Country, Valencia, Newhall and Palmdale.
WATCH: Our @ABC7 quake cam captured today's #earthquake in Castaic https://t.co/fMQl0h13Cd pic.twitter.com/CGenpnZnYt
— ABC7 Eyewitness News (@ABC7) August 27, 2017