RT @kirstenpowers10 Brief history of biggest DC quakes: today 5.8, July 2010 3.6, 1990 2.6 http://on.today.com/nAM8rD
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RT @kirstenpowers10 Brief history of biggest DC quakes: today 5.8, July 2010 3.6, 1990 2.6 http://on.today.com/nAM8rD