It Was So Cold in Canada, The Ground Exploded
Posted on January 8, 2014 <http://sorendreier.com/it-was-so-cold-in-canada-the-ground-exploded/> by Soren Dreier <http://sorendreier.com/author/soren-dreier/> Description: cana Even before the polar vortex put large swathes of the US into a deep freeze, subzero temperatures in Canada were causing frost quakes. A few nights ago, residents around Ontario woke up to mysterious boomslike an explosion or falling tree. Turns it was just the cold. Like a glass jar of water in the freezer, the ground can crack as liquid water expands while freezing into ice. Frost quakes, or cryoseisms, require a sharp temperature drop: It must be warm enough for water to first saturate the ground and then suddenly cold enough for a quick freeze. The explosions are so loud because frost quakes happen so close to the surface. And as disruptive as they sound, theyre unlikely to be dangerous. Read More: <http://gizmodo.com/it-was-so-cold-in-canada-the-ground-exploded-1496252183> Here Thé Mulindwas Communication Group "With Yoweri Museveni and Dr. Kiiza Besigye Uganda is in anarchy" Kuungana Mulindwa Mawasiliano Kikundi "Pamoja na Yoweri Museveni na Dk. Kiiza Besigye Uganda ni katika machafuko"
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