Canada (Next Media) - People across Canada are reporting hearing loud booming noises caused by a weather phenomenon known as frost quakes.
The sudden release of energy feels like a localized earthquake. Sometimes a seismograph can detect the activity when the ground cracks close enough to the device. SOURCES: Business Insider, CBC News Toronto http://www.businessinsider.com/what-is-a-frost-quake-2014-1 http://www.cbc.ca/news/canada/toronto/frost-quakes-wake-toronto-residents-on-cold-night-1.2482615 *** |
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