Cause of oil sheen off California coast still undetermined, but contained, Coast Guard says

Natural seepage can happen for many reasons, such as tectonic plate shifts, but it's unclear why the large amount showed up on the sea's surface, an official said. #press

https://www.mercurynews.com/2024/03/12/coast-guard-natural-seepage-caused-oil-sheen-off-huntington-beach-not-from-oil-spill/?utm_source=press.coop

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