Update – Rhode Island Beach “Explosion” — Authorities Say No Evidence from Below Ground and Wonder If Unexplained Air Compression Hit From Above? Injured Woman Released from Hospital.

— “We don't have charring or debris evidence that it was anything
on the ground at this point. ...But you could have an aerial explosion
that could create a boom.”

- Rhode Island State Police Col. Steven G. O'Donnell

— “The Providence Journal online and WJAR NBC Providence reported
that swimmers in the water 'felt' the explosion in the water slightly before
it happened on the beach and that it was akin to an earthquake in their estimation.”

- Email to Earthfiles from resident of Westerly, Rhode Island, July 13, 2015

July 13, 2015  Salty Brine State Beach in Narragansett, Rhode Island - Near 11:15 AM Eastern on Saturday, July 11, 2015, at Salty Brine State Beach in Narragansett, Rhode Island, "a loud boom noise" was heard by many people. Simultaneously, 60-year-old Kathleen Danise from Waterbury, Connecticut, was "thrown 10 feet from her beach chair into the rock jetty," according to her family. She was transported to a hospital by emergency responders and police, fire and the Rhode Island Dept. of Environmental Management responded to investigate.