Extreme cold triggers frost quakes in Chicago area

If you see a little shake or hear something unusual during the cold snap, it’s nothing to worry about -- but it is an example of a fascinating phenomenon. CBS 2’s Tara Molina reports. ----------------------------------------------------------------------------- CBS 2 News Chicago brings you breaking news, weather, compelling exclusive content, and award-winning investigative reports from the CBS 2 Investigators. Subscribe to CBS 2 News Chicago on YouTube : CBS 2 NEWS 24/7 LIVESTREAM: CBS 2 NEWS ON PLUTO TV: CBS 2 NEWS WEBSITE: FACEBOOK: X (TWITTER): GET THE CBS 2 NEWS APP: