5.2 earthquake shakes central Oklahoma | world | Hindustan Times
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5.2 earthquake shakes central Oklahoma

A rare magnitude 5.2 earthquake shook the central US state of Oklahoma late Saturday for the second time on the same day, the US Geological Survey reported.

world Updated: Nov 07, 2011 08:06 IST

A rare magnitude 5.2 earthquake shook the central US state of Oklahoma late Saturday for the second time on the same day, the US Geological Survey reported.

The epicenter of the tremor, which occurred at 10:53pm local time (0353 GMT Sunday), was located just six kilometers (four miles) east of the town of Sparks at a depth of five kilometers.

There were no immediate reports of casualties or damage.

The first 4.7-magnitude jolt was reported north of the town of Prague early Saturday.

The readings were based on the open-ended Moment Magnitude scale, now used by US seismologists, which measures the area of the fault that ruptured and the total energy released.