Update: Mateo Fire in San Diego County - 10% containment reached
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Updated: 6:58 a.m. June 16
First discovered: 17 hours ago, 1:52 p.m. June 15
Initial location: Mateo Canyon, Camp Pendleton North, San Diego County, Calif.
Fire unit: Unified Command: Camp Pendleton Fire Department and Cleveland National Forest
Fire type: Wildfire
Fire name: Mateo Fire
Mateo Fire initially started 1:52 p.m. June 15 in Mateo Canyon, Camp Pendleton North in San Diego County, California.
Since its discovery 17 hours ago, it has burned 990 acres. As of Tuesday morning, the fire crew managed to contain 10% of this fire. However, the cause is still under investigation.
See live video from the area:
Https://cameras.alertcalifornia.org/?id=Axis-SanClementeNorth
Fire containment
Interpreting what 10% containment means
Containment indicates what percentage of the fire perimeter has been surrounded by a control line. In this case, it means that 10% of the wildfire is contained from spreading, while 90% is still uncontrolled.
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: Cal Fire
United Robots Sacramento
This story was originally published June 16, 2026 at 12:48 AM.