Hear any loud bangs last night in Toronto? Temp drops → soil moisture freezes → ice expands → ground cracks → BOOM! #frostquake #cryoseism
— Jay Scotland (@JayScotland) January 3, 2014Hear any loud bangs last night in Toronto? Temp drops → soil moisture freezes → ice expands → ground cracks → BOOM! #frostquake #cryoseism
— Jay Scotland (@JayScotland) January 3, 2014
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