Mandatory evacuations were declared for the area of California State Route 58 south of the Railroad Track area of Santa Margarita and the area of Miller Flat. As of 20 August 2015[update], evacuations orders were lifted. The evacuation center was at Santa Rosa Academy in Atascadero. As of 20 August 2015[update], 1,600 firefighters were fighting the fire.[1]
A vehicle is blamed with starting the fire, which started three additional fires nearby, all of which were extinguished.[2]
Within 24 hours the fire had grown from 100 acres[2] to 500 acres.[1]