Surprise firework show puzzles the Bay Area

Mysterious booming noises confuse the Bay Area

Many in the Bay Area were puzzled by loud thunder-like noises Wednesday night. Turns out, it was a film production crew on Treasure Island putting on a firework show. And officials said, it could happen again Thursday night.

SAN FRANCISCO - Bay Area residents took to social media Wednesday night wondering about all the mysterious booms they were hearing.

Explosions, lightning, or fireworks in October? Turns out, it was a film production crew putting on a show at Treasure Island.

"These fireworks freaked out about 500,000 people last night," said @berkeleyCERT on Twitter.

The film activity was along Ave. of Palms from about 8 to 10 p.m. Wednesday, the Treasure Island Development Authority confirmed.

"Wonderful time to be setting off fireworks. Not like it might be misconstrued for anything else." said another Twitter user.

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"Dear @SFTIDA @SFMayorsOffice @SupStefani," wrote @MattSkiCA. "The fireworks were too loud during filming production tonight. I shouldn’t be able to hear the reverberations that well."

A live stream from the island showed the film crew along the waterfront, facing the San Francisco skyline.

There may be more fireworks Thursday night as well, Treasure Island officials warned.