Sandy Fire Cause: Over 10,000 Homes Evacuated As Massive Wildfire Rips Through Los Angeles County

A rapidly spreading wildfire known as the “Sandy Fire” has triggered mass evacuations across parts of Southern California, with more than 10,000 homes placed under evacuation orders and warnings as flames moved dangerously close to residential neighborhoods near Los Angeles County.

The wildfire erupted Monday morning near Simi Valley in Ventura County, northwest of Los Angeles. Officials said the fire spread explosively due to strong Santa Ana winds, dry vegetation, and steep terrain, rapidly growing from a small brush fire into a major emergency situation.

According to preliminary reports, investigators believe the blaze may have started accidentally when a resident struck a rock with a tractor, creating sparks that ignited nearby dry brush. However, authorities stressed that the official cause remains under investigation.

Within hours, the Sandy Fire expanded to more than 1,300 acres with zero containment reported late Monday night. Firefighters warned that unpredictable winds continue to push flames toward communities near the Ventura–Los Angeles county border.

Emergency evacuation orders were issued across several neighbourhoods in Simi Valley, Bell Canyon, Box Canyon, Woolsey-area communities, and nearby Los Angeles County regions. Officials confirmed that thousands of residents were forced to flee as smoke blanketed the region.

The California Department of Forestry and Fire Protection (Cal Fire) said more than 750 firefighters, helicopters, bulldozers, and air tankers have been deployed to contain the fast-moving wildfire. Several roads and hiking trails have also been closed due to dangerous fire conditions.

At least one home and multiple structures have already been damaged or destroyed, though no fatalities have been reported so far. Authorities continue conducting damage assessments while warning residents to remain alert for sudden evacuation changes.

Schools across the Simi Valley Unified School District were closed due to hazardous air quality and evacuation concerns. The nearby Ronald Reagan Presidential Library was also temporarily shut down as a precaution.

Meteorologists warned that continued gusty winds and extremely dry weather could worsen conditions over the next 24 hours. Southern California has faced increasingly severe wildfire seasons in recent years due to drought conditions, heatwaves, and strong seasonal winds.

Emergency shelters have been opened for displaced residents and animals as authorities urge people in evacuation zones to leave immediately and avoid waiting until conditions deteriorate further. Fire crews are expected to continue battling the blaze throughout the week as containment efforts intensify.