The first fire near Butts Canyon Road and James Creek burned 10 acres of grass and woodland. It was reported at 12:50 p.m. and was contained at 1:47 p.m., Munoa said.
The fire moved quickly along slopes in the area and residences were threatened but none burned, Munoa said.
Four aircraft, seven engines and two hand crews responded to the fire. Significant mop-up will last into tonight, Munoa said.
The second fire in the Chiles & Pope Valley Road and Pope Canyon Road area northeast of Angwin burned six acres of timber, Munoa said.
It was reported at 1:08 p.m. and was contained at 2:41 p.m. Seven engines, three hand crews and four aircraft responded, Munoa said.
Crews will be on the scene until at least early Thursday morning and will patrol the area for hot spots for days to come, Munoa said.
Some residences were threatened but none burned and there were no injuries in either fire, Munoa said.