Officials have not said what caused the explosion, but stressed Saturday that there was no indication of a device or malicious intent.

David Di Filippo described hearing a crash and booming noise when it happened.

\"It felt like something that was seismic or metaphysical,\" he said. \"I thought it was a small craft that struck the jetty.\"

\"PHOTO:
@BrianL423/Twitter
PHOTO: Police cordon off an area of Salty Brine Beach in Narragansett, Rhode Island, as the bomb squad arrives to investigate a possible explosion on July 11, 2015.
>

His 12-year-old son Dante said he heard someone yell bomb and called the scene on the beach \"chaotic.\"

But the pair wasn't afraid to return to the beach today when the sand reopened.

\"It's our regular spot,\" David Di Filippo said. \"It's a beautiful day.\"

\"PHOTO:
@daveyarmon/Dave Armon
PHOTO: Officials are now patrolling Roger Wheeler Beach in Narragansett, Rhode Island after a possible explosion half a mile away at Salty Brine Beach on July 11, 2015.
>

Danise called the beach her \"favorite location\" and said she had been vacationing there for 30 years. She says she's not going back anytime soon.

\"Until we know what actually happened, no,\" she said.

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