7.4 magnitude quake shakes southern Atlantic Ocean: USGS

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WASHINGTON: A 7.4 magnitude quake jolted the southern Atlantic Ocean early Friday, the US Geological Survey said, with an epicenter 195 miles (316 kilometers) from islands hosting a British Antarctic research station.

There was no immediate tsunami warning. The quake struck at 5:32 am local time (0732 GMT) at a depth of 10 kilometers. It was centered east-southeast of the British administered South Georgia and South Sandwich Islands.