By Tuesday night , it had burned nearly 1,900 acres , of which 40 % was considered contained , according to CalFire . NEW : The fire has burned nearly 1,900 acres and is 40 % contained . More than 2,200 fire personnel are fighting Carstens Fire ; 800 structures threatened . UPDATE : The fire is happening weeks before the normal start of wildfire season in California .
NEW : The fire has burned nearly 1,900 acres and is 40 % contained . More than 2,200 fire personnel are fighting Carstens Fire ; 800 structures threatened . UPDATE : The fire is happening weeks before the normal start of wildfire season in California .