El Segundo fire: Chevron refinery blaze lights up Los Angeles skyline

Jonathan R. Miles
Updated: October 3, 2025

A major El Segundo fire broke out at the Chevron refinery in the South Bay late Thursday, producing a large plume of smoke and a fireball witnesses described as an El Segundo explosion.

Local fire crews, Chevron emergency teams and Los Angeles-area agencies responded to the El Segundo refinery fire today as residents across Los Angeles and nearby cities reported seeing flames and smelling smoke.

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El Segundo refinery fire — chevron refinery el segundo and early scene details

Eyewitness video and live helicopter coverage showed a bright flame and expanding smoke column near the heart of the Chevron El Segundo refinery complex. Authorities closed nearby roads and urged people in the immediate area to avoid the site while firefighters worked to control the Chevron fire.

Initial media reports called it an El Segundo refinery explosion; officials are treating the event as a major refinery fire and investigating the cause.

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Chevron fire El Segundo — fire in El Segundo, fire in LA and community impact

Communities from El Segundo to Manhattan Beach and parts of Torrance saw the plume and reported fire in El Segundo and fire in LA conditions.

Local emergency officials advised those downwind to stay indoors, close windows and monitor local updates while air-quality checks were carried out after the Chevron refinery fire. Hospitals and first responders stood ready for any respiratory complaints tied to the fire in Los Angeles area.

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El Segundo Chevron refinery — containment, safety and what officials say

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Chevron’s on-site response team coordinated with municipal fire departments to contain the refinery fire and protect nearby storage tanks and pipelines.

Fire crews applied specialized foam and cooling measures designed for hydrocarbon fires; incident commanders focused on preventing escalation and limiting environmental impact. Public-safety bulletins emphasized avoiding the area and following official guidance as investigators begin post-incident forensics.

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Chevron refinery fire today — what comes next and precautions

Expect updates from Chevron, the city of El Segundo and Los Angeles County as investigators examine equipment, maintenance logs and operating data to determine the cause of the Chevron fire El Segundo.

Residents should follow official channels for evacuation notices or shelter-in-place orders and heed air-quality advisories after any refinery fire. Media and onlookers are asked not to interfere with emergency operations while first responders complete suppression and inspection work.

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