Update: Mark Fire burns five acres in Sonoma County

Published Aug 9, 2025 #Mark fire

Updated: 12:54 p.m. Aug. 9

First discovered: Less than an hour ago, 12:02 p.m. Aug. 9

Initial location: Sonoma County, Calif.

Fire type: Wildfire

Fire name: Mark

Mark Fire initially started today at 12:02 p.m. in Sonoma County, California.

Since its discovery less than an hour ago, it has burned five acres of private land, an increase of five acres since the last update. At this time, there is no data on the containment status of the fire and the cause has yet to be determined.

Source: National Interagency Fire Center