You may be hearing loud booming sounds in Chicago. Apparently, these are “frost quakes” being caused by the rapid freezing and expanding of water in the ground. When that expansion hits something hard, it makes a loud BOOM sound!
Area you hearing loud bangs? Some of those could be Cryoseisms! AKA Frost Quakes! @WGNMorningNews @WGNNews pic.twitter.com/I3cRIS4hdC
— Morgan Kolkmeyer (@MorganKolkmeyer) January 30, 2019
