Updated: 1:11 p.m. Aug. 2
First discovered: 33 days ago, 10 a.m. June 30
Initial location: Klamath National Forest, Siskiyou County, Calif.
Fire unit: Klamath National Forest
Fire type: Wildfire
Fire name: 2025 Marble Complex
2025 Marble Complex Fire initially started 10 a.m. June 30 in Siskiyou County, California.
It has burned 747 acres after being active for 33 days. By Saturday afternoon, the blaze has been fully contained by a fire crew of 293. Investigators suspect that lightning triggered the fire.
Fuels involved in this wildfire, according to InciWeb: “Chaparral (6 feet) Brush (2 feet) Timber (Litter and Understory).”
Historic data
According to NIFC figures for 2024, lightning-induced fires in California numbered 305, scorching 90,206 acres of wildland.
Incident description
Summit Fire: 701 acres, 90% contained Jacket Fire: 46 acres, 100% contained.
More reports from InciWeb:
• Incident overview:
“After receiving widespread thunderstorms and lightning across the Klamath National Forest at the end of June and beginning of July, multiple fires were reported. Two of the fires, the Summit and the Jacket, were complexed into a single incident called the Marble Complex. Complex Interagency Incident Management Team 9 (Gould) assumed command of the Marble Complex at 6:00 p.m. on July 5, 2025. Since conditions stabilized on the Marble Complex, sole command of the incident returned to the Klamath National Forest as of 7:00 a.m. on Friday, July 18. All evacuation orders and warnings have been lifted. Fire Information: 530-643-0279, 8 a.m. to 5 p.m. Email: SM. FS. Klamathinfo@usda.govLinktree: linktr.ee/2025MarbleComplex.”
• Significant events:
“Minimal Smoldering Creeping Isolated Torching”
Please note that these reports are automatically published and unreviewed quotes from InciWeb. Therefore they might be incomplete, hard to read or include misspelled words.
Fire containment
What does 100% containment mean?
Note that full containment doesn’t mean the fire is completely out. In this case, it means that the whole perimeter of the wildfire has been surrounded by a control line and it is now stopped from spreading. A fully contained wildfire may continue to burn within the containment perimeter but is not likely to spread.
However, there’s a significant difference between containing and controlling a wildfire. After the fire is fully contained, the next step is to control it. Controlling a fire means ensuring that the fire can’t spread or cross the containment line.
Containment is part of a larger plan for managing a wildfire. It is normally expressed as a percentage and it refers to how much of the fire perimeter has been surrounded/enclosed by a control line that firefighters create. The containment percentage indicates a certain level of control, but it doesn’t always correlate to safety level. Also, it’s important to note that containment doesn’t mean a fire is out.
How is containment measured?
The incident’s central command constantly receives progress reports from firefighters on the ground. As the fireline is constructed, inspected or reinforced, mappers record those details to adjust the containment percentage. The percentage tells the public how much of the fire perimeter is believed to not go beyond the control lines.
Source: InciWeb