Add Yahoo as a preferred source to see more of our stories on Google. If you hear a loud "boom" in central Illinois this week, it could be a frost quake, a weather phenomenon that happens when ...

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 ...

“Could a single, sharp boom on a bitter night come from the ground itself?” In some areas of the Midwest, the sound comes unannounced: a sudden crack that can reverberate down a block and wake people ...

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 ...

Frost quakes occur when water in saturated ground freezes rapidly, expands, and cracks under pressure. The events are harmless; however, they can be loud enough to wake people up. The phenomenon ...

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 ...