This has been a winter full of surprises. The Philadelphia area has seen the biggest snowstorm in 10 years and one of the longest below-freezing streaks in our history. Nearly every day since ...

Here in Washington and in many other places across the country, we've had a lot of snow over the past several days, and some areas also had a rare phenomenon known as frost quakes. Never heard of them ...

INDIANAPOLIS -- Dispatchers across central Indiana have been fielding frantic calls from residents who believe they’re hearing gunshots, exploding gas lines – or even secret underground activity – but ...

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 ...

Meteorologists say that water rapidly freezing in the soil amid bitterly cold temperatures can make a startling noise and even cause small vibrations. These noises are known as frost quakes or ...