The blaze was reported around 2:25 p.m. on Mankas Corner Road north of Abernathy Road and was contained at about 4 p.m. It had not been declared under control as of 5 p.m., according to Fairfield Assistant Fire Marshal Jerry Clark.
"There are a couple of spots on the crowns of the hills where there is some pretty heavy brush and some old oak trees," said Clark, who added that crews were continuing to do handwork on the hotspots.
During the initial stages, three fixed-wing aircraft assisted firefighters in battling the flames.
The blaze prompted voluntary evacuations in a housing area on the north side of the fire, along Olympic Road.
Clark said that preliminary reports of a shelter-in-place advisory on the south side of the fire off of Rancho Solano Parkway were incorrect and instead Fairfield used its emergency notification system to let those residents know they did not have to evacuate.
No structures have been damaged and there were no reports of injuries.
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MORE: ABC7's Bay Area wildfire resource guide and safety tips
