The fire, at least the third such incident at a California refinery since 2012, was a reminder that the region's many refineries are complex industrial facilities, with the potential for accidents and ignitions at any moment. At least two explosions rocked a California oil refinery Tuesday night, sparking a massive fire that was visible for miles, according to reports. A magnitude 4.3 earthquake struck eight-tenths of a mile east-southeast of Carson at 7:58 p.m., the Caltech Seismological Laboratory reported Friday. var write_html = `

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