CHICAGO (CBS) -- We've been hearing about frost quakes across Chicago Monday – a loud bang, a jolt, shaking ground, something that seems like a mini-earthquake. We've experienced subzero temperatures ...

A News 19 viewer wrote on social media that he heard a loud popping noise while sitting at home in Huntsville Tuesday night. The Tennessee Valley has experienced some of the coldest air since Dec.

Frost quakes, a phenomenon also known as cryoseism, are loud ground vibrations caused by frozen soil or groundwater cracking during rapid temperature drops. They are often mistaken for earthquakes but ...

CHICAGO, Ill. (WBBM) - Frost quakes come with a loud bang, a jolt, shaking ground, something that seems like a mini-earthquake. Illinois state climatologist Trent Ford said frost quakes are not ...