Articles tagged with "tsunami"
Yet another large aftershock shook the region around the Fukushima Daiichi nuclear power plant, causing a brief evacuation of workers and an interruption to the electricity flow to external pumps used to provide fresh water to cool the reactor pressure vessels and spent fuel ponds. The injection of nitrogen into the No. 1 primary containment vessel, aimed at reducing the risk of additional hydrogen explosions, has also resumed. However, the pressure is rising slower than expected, suggesting a possible leak.