Frost Quakes On Roof

Julie justus described the sound as giant booms on the roof of her home in irvington.

Frost quakes on roof.

Frost quakes or ice quakes are heard most often at night because the air is the coldest and the ambient noises during the day tend to drown them out. We though it may be something fall on the roof or someone trying to break in. Coulson said a lot of the ice and packed snow had melted and froze again which could explain why the frost quakes are happening in the area now. Phillips says a frost quake could crack the ground and cause it to shake feeling very similar to an earthquake.

Scientifically known as a cryoseism an ice quake or frost quake is a rare but surprising phenomenon that is caused when water seeps into the ground and then quickly freezes and expands cracking the ground around it. The booms that have been heard around the gta could be a result of a frost quake but it could be something else. When this happens the results can be explosive and quite startling. He said a frost quake which can cause booms and even rattle windows is very localized.

He says a similar event can also happen when water collects on flat roofs. Then after we. Glacial movements can also lead to ice quakes and ice.