Contra Costa Explains Siren Delay in Martinez Refinery Fire

MARTINEZ, California – A massive Martinez Refinery Fire burned nearly three hours before Contra Costa County officials activated warning sirens, raising public safety and air quality concerns. The fire erupted at 1:30 p.m. on February 3, 2025, at the Martinez Refining Co., sending thick, black smoke across the region. However, it wasn’t until 5 p.m.—after […]