FOND DU LAC, Wis. (AP) — Some strange booms have shaken residents in Fond du Lac County.
The series of explosion-like sounds rattled residents from Waupun, Campbellsport and elsewhere Tuesday and sent Fond du Lac County sheriff’s deputies out looking for a cause.READ MORE: Minneapolis School Switches To Distance Learning After Shooting At Nearby Homeless Encampment
Geologists say the booms were likely a phenomenon commonly known as an ice quake. It’s caused by water that sinks into the soil and bedrock where it freezes and expands, causing an explosive popping sound that feels like a mild earthquake.READ MORE: Willmar Community Bands Together To Support Father Of Twins After Wife's Untimely Death To Cancer
University of Wisconsin-Milwaukee seismologist Brett Ketter tells Action Reporter Media he experienced an ice quake this week and initially thought the pipes had burst in his house. Ketter says he ran outside in his slippers to see if something had hit his house.MORE NEWS: Twin Cities Thai Restaurant Hires Robot Server Amid Staffing Shortage