As of 3:23 p.m., the fire had burned at least 10 acres, according to SDFD. No structures were threatened. According to a post on X/Twitter shortly before 4 p.m. by MCAS Miramar, the brush fire had grown to about 12 acres. The fire was located on the airfield located south of the runways on base, it said.

Fire broke out near Kearny Villa Road and Miramar Way around 2:20 p.m. and spread to about 5 acres, Fire-Rescue officials said

The slow-moving blaze broke out for unknown reasons shortly before 2:30 p.m. on military property near the intersection of Kearny Villa Road and Miramar Road, according to the San Diego Fire-Rescue Department.