A brush fire in Mendocino County quickly spread to 85 acres Monday evening and prompted evacuations, according to fire officials and the county sheriff's office.
The Moose Fire started on Moose Road in the Hopland area and spread to the Valley View area, the Mendocino County Sheriff's Office said.
Evacuation orders were issued for Valley View Drive and the Bus McGall and Moose Road areas near Hopland. Residents were advised to evacuate the area immediately and head towards a safe location, the sheriff's office said.
The fire was burning in brush and grass oak woodland in steep terrain, and structures were threatened, Cal Fire said.
About 300 firefighters were at the scene, and more personnel and equipment were expected to arrive throughout the night, fire officials said.
The fire had a moderate rate of spread and was 25% contained as of 11 p.m. Monday, according to Cal Fire.