Flames erupted near the Chevron refinery in El Segundo on Thursday. An explosion and fire rocked a refinery in El Segundo on Thursday night, causing massive flames that could be seen for miles. The city of El Segundo said that there was a fire at the Chevron refinery but that there is no public threat or evacuation orders in a 10:10 p.m. alert. The plumes of smoke were visible in the El Segundo and South Bay areas, and fire personnel were on scene shooting streams of water at the fire. Firefighters put water on a fire at the Chevron refinery in El Segundo on Thursday, Oct. 2, 2025.