The Rocky fire started July 29 near Clearlake, Calif., in a rugged region north of Napa. As of Wednesday morning, the blaze had grown to 68,300 acres and was 20% contained.
The cause of the massive blaze is under investigation, according to the California Department of Forestry and Fire Protection.
Here's a breakdown of the firefight:
Size of Rocky fire: 68,300 acres, or about 106 square miles. That's more than the area of Sacramento, which is 64,000 acres.
Structures threatened: 6,959
Structures destroyed/damaged: 39 residences and 52 outbuildings destroyed; four structures damaged
Fire crews: 87
Air tankers: 4
Water tenders: 43
Agencies involved: At least 19, including the South Lake Fire Protection District, Northshore Fire Protection District, California Highway Patrol, Bureau of Land Management and California Conservation Corps.