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 ...

Residents in areas experiencing extreme cold may be startled by mysterious booming sounds and vibrations, a phenomenon meteorologists attribute to "frost quakes" or "cryoseisms." These unusual noises ...

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 ...

Have you ever heard of a "frost quake"? They aren't super common this far south, but they do happen. There have been reports of frost quakes across parts of our area last night and could still be ...

Locals across the Midwest, particularly in Greater Chicago, may hear a sudden "boom" over the weekend – the result of what meteorologists call a frost quake, a weather phenomenon that takes place when ...

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 ...

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 ...