Fukushima Update re:Earthquake

Just in case anyone is wondering, from what I can tell, even after the 7.4 earthquake that hit earlier today, everything seems to be as it was with no major damages reported.

Below are a few articles.

NHK – http://www3.nhk.or.jp/daily/english/08_06.html

Powerful quake strikes Northeastern Japan

A magnitude 7.4 quake occurred off the Miyagi coast, northeastern Japan late Thursday night.

The Meteorological Agency says the quake registered 6-plus on the Japanese seismic scale of 0 to 7 in Sendai and another place in Miyagi prefecture. It says an intensity of 6-minus was registered in wide areas of Miyagi and Iwate prefectures, and that the quake was felt in many regions across Japan.

The agency estimates the focus of the quake was 40 kilometers below ground.

The agency issued a tsunami warning for coastal areas in Miyagi Prefecture, and tsunami evacuation advisories for Japan’s northeastern seaboard from Aomori to Ibaraki prefectures. The warning and advisories were lifted about 80 minutes after the quake.

It was the largest aftershock since the March 11th quake, which registered 7-minus on the Japanese seismic scale.

The Meteorological Agency warned of possible strong aftershocks after last month’s massive tremor.

More than 80 people were injured in Thursday’s temblor, and fire and a gas leaks have been reported. Electricity delivery has been interrupted in Sendai.

Friday, April 08, 2011 06:10 +0900 (JST)

From Nikkei – http://e.nikkei.com/e/fr/tnks/Nni20110407D07NY982.htm

New Earthquake Jolts Northern Japan

TOKYO (Dow Jones)–Northeastern Japan was rocked Thursday night by its biggest earthquake since March 11, causing widespread power outages through the north, shaking buildings in Tokyo and putting the country on alert for the safety of its nuclear-power plants.

But early reports showed little damage from the magnitude 7.1 quake, which hit at 11:32 p.m. off the coast of Miyagi prefecture – close to the epicenter of last month’s magnitude-9 quake. A tsunami evacuation warning was lifted about an hour after the quake, without any major waves being reported.

The country’s nuclear regulator said that none of the plants in the affected areas were reporting operating problems – including the troubled Fukushima Daiichi nuclear complex – though several were affected by widespread power outages in northern Japan. The operators of two nuclear-power plants in the northern prefecture of Aomori said they were running on emergency diesel power after the quake knocked out external power. The quake cut off two of three power sources at the Onagawa nuclear plant in Miyagi, but the plant operator was feeding power from a third source that hadn’t been affected.

Continued in link

From Kyodo http://english.kyodonews.jp/news/2011/04/83903.html

Nitrogen, coolant water injection unaffected by Miyagi quake

An operation to inject nitrogen and coolant water into reactors at the crisis-hit Fukushima nuclear power plant was unaffected by a strong quake that hit northeastern Japan on Thursday night, the plant operator and the government’s nuclear agency said.

Continued in link.

TEPCO: No trouble reported – NHK

Tokyo Electric Power Company says there are no additional problems with the facilities at the crippled Fukushima Daiichi and Daini nuclear power plants due to the recent aftershock.

The company says all the workers at the two plants have been evacuated to safe ground, and that there are no reports of injuries.

It says electric power supply has not been cut off at the plants.

TEPCO added that no injuries have been reported.

Friday, April 08, 2011 01:31 +0900 (JST)

And just for good measure, a western source of news.  New York Times – http://www.nytimes.com/2011/04/08/world/asia/08japan.html?_r=2&hp choice quote below.

Powerful Aftershock Complicates Japan’s Nuclear Efforts

Monitoring posts around the plant were not showing any increase in radiation levels, the company said.

Experts have said that a big aftershock poses an additional risk to the Fukushima plant because its containment structures are filled with water that was used in the cooling efforts and is now highly radioactive. The strain from holding that water could make the structures more vulnerable to rupture in the event of an earthquake, according to an assessment by the United States Nuclear Regulatory Commission in late March.

The Japan Times
Babies, pregnant women to leave village of Iitate near Fukushima No. 1 plant http://ow.ly/4vqPe
While people are leaving Iitate, levels of radiation are low enough that police are starting to search the 20km evacuation zone.
The Japan Times 

Radiation eases; police search for 2,400 missing in 10- to 20-km zone http://ow.ly/4vrkI
Here’s a full out update on the reactors.
Reuters Japan
Factbox: Status of Japan nuclear plants after Thursday’s quakehttp://reut.rs/hoQQsi
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