Frost quakes also known as cryoseisms occur after precipitation and bitterly cold temperatures.
Frost quakes on roof.
Ice can be very rigid at cold temperatures and as it expands it s trying to find room for itself.
Frost quakes or ice quakes are heard most often at night because the air is the coldest and the ambient noise during the day tends to drown them out.
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Meteorologists said wednesday that sound and other cracking sounds inside and outside houses is called a cryoseism or a frost quake others say it s the sound made by wood and steel.