Unexplained loud booms have been affecting residents around Grundy County for weeks, and the cause has yet to be determined. “It’s weird because it’s unlike most booming noises you hear,” said Glen Briggs, the emergency management director of Grundy County. “If you hear a car crash or something like that, you can pretty well tell which direction it came from. When I heard it, I couldn’t identity which direction it came from. It resembled thunder, but there were no thunderstorms in the area.”

Trenton residents began reporting their experiences of these booms after they heard it for the first time Feb. 14. “I instantly made a post on our emergency management Facebook page and asked if anyone else heard it,” Briggs said. “We had close to 100 people comment saying they heard it. Several people said they felt it. They described a loud thud, rattling, some saw flashes of light and smoke.” READ MORE