The Natural Phenomenon You’ve Never Heard Of That’s Hitting Wisconsin This Winter

Residents in parts of Wisconsin reported a loud boom, rattling windows, and some major concern late last week. What residents of Ozaukee County, the Green Bay area and southwestern Wisconsin experienced is something called a “frost quake.” Characterized by sudden, loud booms or rumbling, these rare natural events can occur when the temperatures start to drop.

Did you hear what you think might have been a frost quake in the last week or two? Let us know about it in the comments! Looking for more unusual Wisconsin weather? Check out It’s Impossible To Forget These 12 Horrific Winter Storms That Have Gone Down In Wisconsin History.