The Quake: Reactor #3 Blows, Shuts Off Cooling in #2


Reactor #3: Before the explosion, below; and after, top.

Another reactor at Japan’s Fukushima Daiichi nuclear plant lost its cooling capabilities Monday, a government official said.

The problem was detected in the plant’s No. 2 reactor Monday afternoon after an explosion rocked the building containing the plant’s No. 3 reactor, Chief Cabinet Secretary Yukio Edano told reporters.

“We think that the hydrogen explosion in (the building housing) reactor No. 3 caused the cooling system of reactor No. 2 to stop working,” Edano said.

Cooling system fails in another reactor at Japanese nuclear plant – CNN.com

Image is a screen shot from the video at the link.

Neither explosion has been reported to have damaged the reactor containment structure.

Update:

A Japanese utility says fuel rods at a troubled nuclear reactor have been fully exposed.

The exposure happened at Unit 2 of the Fukushima Dai-ichi plant — the latest reactor to lose its ability to cool down. The other two reactors at the plant are facing a meltdown and authorities are racing to cool them with sea water.

Japan Utility: Nuke Fuel Rods were Fully Exposed – TIME

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