Frost quakes rarely cause damage but occur when underground water freezes and expands until pressure causes soil and rocks to ...
Jacksonville Journal-Courier on MSN23h
Frost quakes startling but harmless, meteorologists say
Heard a loud snap or booming sound coming from underground as of late? It's probably not an earthquake or Thor, the god of thunder — it's more than likely a frost quake. Frost quakes, otherwise known ...