'Frost quakes' shake Southwest Ohio, Indiana

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'Frost quakes' shake Southwest Ohio, Indiana

Post by Strawberry on Mon Feb 14, 2011 8:16 pm

DAYTON — Frost quakes, a rare phenomena that simulate earthquakes, rattled hundreds of residents Thursday in Darke and Miami counties in Ohio and Randolph County in Indiana, emergency management officials said.

The quake, or cryoseism as it’s known in scientific circles, occurs when moisture soaks into the soil and a quick freeze causes a sudden, even violent expansion and contraction. Darke County’s 911 director Brandon Redmond said the quakes erupted for eight hours Thursday, starting at 1 a.m. The heaviest reports were between 5:30-7:30 a.m.


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