Formally known as a cryoseism, frost quakes need one major factor to occur: rapidly dropping temperatures. On Friday, highs across the area rose to near 50 degrees. But, only 48 hours later ...

A couple days later, meteorologists had pinpointed the cause of the racket. Torontonians had experienced a cryoseism, otherwise known as a “frostquake,” a localized seismic event that happens ...

“So the scientific term for frost quake is called a cryoseism,” Ford said. “Cryo” comes from the ancient Greek κρύος – meaning icy cold or frost and also appearing as the prefix in ...

That phenomenon, known as a “frost quake” and scientifically as a cryoseism, occurs when the ground rapidly freezes, causing ice to form and expand quickly and shifting the soil in a rapid manner.

All because of the extreme cold! The official name of a frostquake is Cryoseism. Meteorologist Ray Petelin joined the KDKA Weather Team in October 2018, but is no stranger to the weather in ...

Frost quakes, formally known as cryoseism, aren’t uncommon, but the noises they make can be unsettling. If you haven’t heard it before, you may hear one this weekend.

However, this event was more likely a cryoseism, also known as an ice quake or a frost quake, and they're nothing new. In fact, they were observed in the United States as early as 1818.