If you hear a loud "boom" in the commonwealth this week, it could be a frost quake, a weather phenomenon that happens when temperatures plummet and groundwater freezes quickly. "Since water expands ...

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 ...

If you hear a surprising "boom" this weekend it could be a frost quake, a weather phenomenon that happens when temperatures plummet and groundwater freezes quickly. "Since water expands when it ...

A frost quake, or cryoseism, can occur when temperatures drop rapidly and groundwater freezes quickly. The sudden expansion of freezing water can push apart dirt and rocks, creating a loud boom and ...