Monday, April 11, 2011

Tsunami warning issued after earthquake in Japan again

An earthquake of 7.1 magnitude on the Richter scale rocked again northeastern Japan and triggered a tsunami warning along the coast of that region, Japan's Meteorological Agency reported. The quake occurred at 17:16 local time (8:16 GMT) and was centered six miles deep in the province of Fukushima, reaching grade 6 on the Japanese scale of 7, which focuses more on the scope in the intensity of the tremor.

The earthquake was temporarily evacuated workers Fukushima Daiichi Nuclear Power Station for security reasons, according to a spokesman for TEPCO, the operator of the plant severely damaged by the strong earthquake and tsunami of 9 degrees just a month ago. TEPCO also said no changes in the parameters of radioactivity around the nuclear plant after the quake, which cut but the external power supply to pump water into the reactors 1, 2 and 3.

Therefore, it is trying to cool these units manually with fire trucks, TEPCO said. The earthquake did not affect the power supply instead of near Fukushima Daini plant, about ten miles from Daiichi, as indicated by both TEPCO as Japan's Nuclear Safety Agency. The authorities of the neighboring province of Ibaraki said in turn that there are no reports of damage at nuclear power plants in that region.

After the quake, the meteorological agency issued a tsunami warning in the province of Ibaraki by waves of up to two meters, while in the provinces of Miyagi, Fukushima and Chiba were warned of waves of up to one meter. The 7.1-magnitude earthquake was followed by a 6 on the Richter scale replica of a minute later and another 5.6 degrees to 17.26 local time (26.08 GMT), each with its epicenter in the province of Fukushima.

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