Recent satellite images reveal the alarming scale of two wildfires spreading in Southern California, a crucial visualization of an escalating environmental crisis.

The Sandy Fire ignited early in the morning on Monday in Simi Valley, located northwest of Los Angeles and was reported by California Governor Gavin Newsom. Satellite images captured shortly after noon local time show large plumes of smoke billowing south of the city.

California fire officials have mobilized about 750 firefighters and deployed night-flying water-dropping helicopters to combat hotspots as of Tuesday morning. Firefighters are meticulously targeting the most dangerous areas of the blaze.

According to reports by the Simi Valley Police Department, initial investigations suggest the ignition of the fire may have been caused by an individual who hit a rock with a tractor. As of now, the fire has escalated to cover an alarming 1,364 acres (550 hectares), with no part of it fully contained.

Tracking by NASA’s wildfire monitoring platform indicates hotspots were moving steadily southward as the firefighters worked through the night.

Over 10,000 residences in Simi Valley and surrounding areas have been evacuated, while an additional 3,500 homes are under evacuation warnings, stretching into Los Angeles County.

Los Angeles Mayor Karen Bass has emphasized that officials currently do not expect the fire to spread into the city, although precautionary warnings have been issued due to the unpredictable nature of the blaze.

The conditions that fueled the fire have included high winds reported on Monday, which decreased as the day progressed, allowing some control efforts to advance.

Meanwhile, classes have been canceled by the Simi Valley Unified School District for all campuses due to the uncontrolled fire situation.

The Channel Islands National Park is also experiencing fire damage, with a separate blaze reported on Santa Rosa Island consuming approximately 14,600 acres (6,000 hectares). The California fire officials have indicated that additional reinforcements are required, with 70 firefighters and park rangers actively engaged in battling this island fire.