Firefighters are battling a wildfire involving two structures in the Clearlake area Sunday afternoon, Cal Fire said.

A wildfire sparked Sunday afternoon in Clearlake has spread to about 100 acres within an hour, triggering two evacuation orders, according to fire officials.

A vegetation fire broke out in Clearlake in Northern California on Sunday afternoon, prompting mandatory evacuations as it spread over 340 acres within two hours. As of 5 p.m., it has reached 5% containment.