Why Quake Rang Like a Bell

Via Scoop.itHealthcare Continuing Education

Earthquakes of the intensity felt Tuesday along a vast corridor of the East Coast don’t come along too often in this region, geophysicist Rowena Lohman says. They are so rare “that it is very difficult for earth scientists to identify specific faults (in the area) that are ‘active,’ ” she says, “where over time we would expect significant earthquakes to occur.”
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