Strong earthquake hits north-eastern Japan, tsunami warning issued

A 6.8-magnitude earthquake struck off Japan's northeastern coast Friday, triggering a 50 cm (20 inch) tsunami warning that was lifted about 35 minutes later.



he epicenter of the quake, which hit at 2:36 pm, was off the coast of Fukushima, 20 km below Earth's surface, the same region where the massive 9.0 magnitude earthquake struck on March 11, followed by the devastating 30-meter tsunami, according to the Japan Meteorological Agency.

triggering a tsunami advisory that was later lifted. There were no immediate reports of damage or injuries in the temblor, which rattled the area devastated earlier this year by a massive quake and tsunami.

The 2.36 pm (0536 GMT) quake was centered about 185 miles (300 kilometres) northeast of Tokyo and at a depth of 12 miles (20 kilometers), slightly south of where the magnitude-9.0 temblor struck March 11, Japan's Meteorological Agency said.

The agency issued a tsunami advisory, predicting waves of 20 inches along the coast of Miyagi and Fukushima prefectures, where a nuclear plant crippled by March's quake-spawned tsunami is located. The agency lifted the advisory about 30 minutes later.

There were no abnormalities in key equipment at the Fukushima Dai-ichi nuclear power plant, said Chie Hosoda, an official with Tokyo Electric Power Co., the plant's operator. She said some of the plant's workers assigned to the coastal side of the facility temporarily retreated inside the building.

Tokyo Electric Power Co. said no problems were reported at its radiation monitoring posts at the crippled Fukushima Daiichi nuclear power plant, about 240 km (150 miles) northeast of Tokyo, or the nearby Daini plant, and cooling operations at the damaged reactors were continuing.

At the nuclear plant, some staff was temporarily evacuated immediately after the earthquake, according to Washington Post.

Tohoku Electric Power Company said there were no abnormalities at its Onagawa nuclear power plant, which was shut since the March disaster, according to Reuters.

Japan is frequently rocked by earthquakes as it sits on top of four tectonic plates. The latest quake comes when Japan is struggling to recover from the March disaster, whch killed more than 20,000 people.

The March quake triggered the world's worst nuclear crisis in 25 years at the Fukushima Daiichi plant as its cooling systems were knocked out, which led to meltdowns and radiation leaks that are yet to be plugged.

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