CAL FIRE reports that the 4-1 Fire in Modoc County reached 70% containment at 11:04 a.m. Aug. 27 and remained at 230 acres. Containment describes progress securing the fire's perimeter; it does not mean the fire is extinguished.
The incident remains active as crews reinforce fire lines and search for lingering heat. The CAL FIRE incident update shows that reported acreage stayed unchanged while containment rose from 50% on Aug. 26 to 70% on Aug. 27.
Table of Contents
- Where and when did the fire start?
- What does 70% containment mean?
- What are crews doing now?
- What remains unknown?
Where and when did the fire start?
The fire began at 3:22 p.m. Aug.
24 near Russel Slough, southwest of county Road 68 and County Road 50 by Davis Creek, according to CAL FIRE's incident record. The CAL FIRE Lassen-Modoc Unit has jurisdiction over the incident. No incident-management team is assigned.
What does 70% containment mean?
The containment figure indicates that firefighters have made measurable progress securing the perimeter. However, 30% was not yet reported as contained at the time of the Aug.
27 update. Stable acreage alongside rising containment suggests crews advanced their control work without a reported increase in the fire's size between the two updates. It does not establish that every hotspot is out or that conditions cannot change.
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What are crews doing now?
Fire personnel are mopping up, which involves addressing burning or smoldering material after the main fire activity has subsided.
They are also patrolling for smoke and heat, deepening containment lines, and systematically searching the interior for hotspots, according to the CAL FIRE public information update. Crews will continue strengthening and securing the perimeter. CAL FIRE lists these resources assigned to the incident:.
- 70 personnel
- Four engines
- Two water tenders
- Two crews
What remains unknown?
CAL FIRE says the cause remains under investigation. Any claim that identifies how the blaze started would go beyond the confirmed information available in the Aug.
27 update. Because the fire remains active, residents seeking a later containment figure or acreage estimate should check the timestamp on the official CAL FIRE incident page before relying on the 70% figure.
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