7.1-magnitude quake jolts Japan, tsunami warning in effect

Video image taken on April 11, 2011 in Tokyo shows live news of earthquake in northeastern parts of Japan. A strong quake with a preliminary magnitude of 7.1 jolted eastern, northeastern parts of Japan at 5: 16 p.m. local time (0816 GMT). A tsunami alert was issued, according to Japan Meteorological Agency. (Xinhua/Ji Chunpeng)

A strong quake with a preliminary magnitude of 7.1 jolted eastern, northeastern parts of Japan at 5: 16 p.m. local time (0816 GMT) on Monday. A tsunami alert was issued, according to Japan Meteorological Agency.

The epicenter, with depth of 10 km, was near Hamadori of Fukushima Prefecture. Swaying was strongly felt in buildings in Tokyo, some 200 km south of Hamadori.

Two-meter tsunami waves are expected to hit the Pacific coast in Ibaraki Prefecture soon, the agency said, urging people to evacuate to higher locations.

Nuclear power stations in Ibaraki Prefecture were normal after the quake, operator said.

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