Authorities report that a major interstate that cuts through Camp Pendleton has reopened after smoke from a wildfire on the Marine base forced the closure of the main traffic artery between Orange and San Diego counties.

According to the California Highway Patrol, Interstate 5 was reopened after a new, minor brush fire started Tuesday on the base. They report that the interstate was closed for less than two hours because of heavy smoke.

Marine Cpl. Priscilla Vitale says it is yet unsure how the 5-acre fire started, but says the fire has been contained. It is the third fire to start on the base in two days.