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Read more 2.7 magnitude earthquake reported close to Petrolia, CA on Aug. 2
Updated: 8:06 p.m. Aug. 2
First discovered: 1 week ago, 2:08 p.m. July 26
Initial location: Mines Road and San Antonio Valley Road, San Antone Valley, Santa Clara County, Calif.
Fire unit: Cal Fire Santa Clara Unit
Fire type: Wildfire
Fire name: Mines Fire
Mines Fire initially started 2:08 p.m. July 26 at Mines Road and San Antonio Valley Road, San Antone Valley in Santa Clara County, California.
By Sunday evening, 283 acres of land had been consumed by it. As of Sunday evening, the fire crew managed to contain 80% of this fire. There is currently no information on the cause of the fire.
Read more Earthquake rattles area near Templeton, CA: 2.7 magnitude registered on Aug. 2
Fire containment
What does it mean for a fire to be 80% contained?
The percentage indicates how much of the fire perimeter has been surrounded by a control line. In this case, it means that 80% of the wildfire is halted from spreading, while 20% 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.
Read more UPDATE: Northern Ventura County Mountains placed under an extreme heat warning Monday and Tuesday
Source: Cal Fire
United Robots Sacramento
This story was originally published August 2, 2026 at 10:56 AM.