Earthquake Shakes Oklahoma -- Again | NBC 5 Dallas-Fort Worth

Earthquake Shakes Oklahoma -- Again

4.7-magnitude tremor reported in Oklahoma on Monday

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    The U.S. Geological Survey is reporting a 4.7-magnitude earthquake hit in Oklahoma on Monday night.

    Oklahoma experienced more shaking Monday, just days after the state's largest recorded earthquake.

    The U.S. Geological Survey is reporting a 4.7-magnitude earthquake hit at about 8:47 p.m. The epicenter was near Prague, Okla., at an estimated depth of 3.1 miles.

    Several North Texans said they felt the quake in areas as varied as Dallas, Allen and Euless.

    A 5.6-magnitude tremor and a series of smaller aftershocks struck Central Oklahoma over the weekend.

    Hundreds of North Texans reported feeling the ground or their homes shake after that quake, which was originally reported as a 5.3 magnitude and then bumped up.

    Oklahoma has seen a dramatic increase in seismic activity in the past two years. It typically had about 50 earthquakes a year until 2009, but more than 1,000 shook the state last year. Most of the tremors were small.

    So far, experts have no explanation for the increase.