LONDON, Feb 27 (Reuters) - An earthquake with a magnitude of 4.7 shook parts of Britain on Wednesday but there were no immediate reports of casualties or damage, officials said.

The quake's epicentre was 205 km (127 miles) north of London and it struck at 0056 GMT, the U.S. Geological Survey said on its Web site.

"We have no reports of injuries," said a police spokesman in London.

Many people reported being woken up by the quake and the tremors could be felt in high-rise buildings in London.

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