Meteorologist Lea Hill, on X on Monday: "Frost quakes! They're caused by rapidly freezing temperatures & expanding ice. They are shallow, don't release much energy, and are not associated with fault ...

While they feature a loud popping noise, frost quakes are harmless. The below-zero temperatures, however, are dangerous.

A rare and deadly winter storm continued to wallop states across the Gulf Coast on Tuesday, resulting in dozens of ...