A powerful earthquake has reportedly struck off the eastern coast of Russia, with the tremor felt as far away as Tokyo.
An initial report by the US Geological Survey put the quake magnitude at 7.7, with no tsunami generated.
Other reports put the quake at 7.3-magnitude.
The quake that hit north-eastern Japan on March 11, 2011, registered 9.0 and along with the resulting tsunami left nearly 19,000 people dead or missing.
The epicenter of Tuesday's quake was in the Sea of Okhotsk, 100 miles east of Poronaysk, at 388 miles deep, according to the Associated Press.
Japan's Meteorological agency said the tremor was felt throughout the country's northern island of Hokkaido.
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The earthquake also caused a jolt in the Japanese capital Tokyo, Agence France-Presse reported.
Several of the Earth's tectonic plates converge in the area around Japan, making it prone to regular powerful earthquakes, AFP added.
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