A robust magnitude 7.three earthquake struck late Saturday 13 February 2021, off the coast of Tohoku, leaving at the least 100 folks injured throughout six Japanese prefectures. This occurred simply weeks earlier than the 10th anniversary of the March 2011 quake, tsunami and nuclear catastrophe.

No tsunami warnings have been issued for the earthquake, which is the strongest to hit the area since 7 April 2011, in line with Japan’s Meteorological Agency.

Image: Japan Meteorological Agency

According to media sources, energy outages had been reported in elements of Fukushima, Miyagi, Iwate, and Tochigi prefectures after six coal and gas-fired models have been knocked out, taking three.6GW of energy offline.

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Nuclear energy

The Tokyo Electric Power Company (TEPCO) web site has additionally offered an replace stating: “Currently, there aren’t any abnormalities at TEPCO’s Nuclear Power Stations (Fukushima Daiichi, Fukushima Daini and Kashiwazaki-Kariwa) that will have an effect off-site”.

The utility additional reported that there was a minor overflow of water from the pool that used to retailer atomic gas on the Fukushima energy crops nonetheless, no uncontrolled ranges of radiation have been detected.

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All energy has been restored and no additional points have been reported.

Experts at Japan’s Meteorological Agency recommend the tremor was a delayed aftershock ensuing from the 2011 earthquake that measured 9.zero on the Richter scale.

The 2011 Fukushima Disaster

The 2011 quake brought about a 15-meter tsunami to disable the ability provide and cooling of three Fukushima Daiichi reactors. All three cores largely melted within the first three days.

According to the World Nuclear Association, “The reactors proved strong seismically, however weak to the tsunami. Power, from grid or backup mills, was accessible to run the residual warmth removing (RHR) system cooling pumps at eight of the eleven models, and regardless of some issues, they achieved ‘chilly shutdown’ inside about 4 days. The different three, at Fukushima Daiichi, misplaced energy at three.42 PM, nearly an hour after the earthquake, when your complete website was flooded by the 15-metre tsunami. This disabled 12 of 13 back-up mills on website and likewise the warmth exchangers for dumping reactor waste warmth and decay warmth to the ocean. The three models misplaced the power to take care of correct reactor cooling and water circulation features. Electrical switchgear was additionally disabled”.

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The publish Japan suffers energy outages after 7.three Fukushima quake appeared first on Power Engineering International.

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