29 Jun '11, 1pm

Viewpoint: Shaking off Safety Concerns: The tragic natural disasters that unfolded in Japan in March, and in pa...

Viewpoint: Shaking off Safety Concerns: The tragic natural disasters that unfolded in Japan in March, and in pa...

What has been much less widely publicized is the potential impact of a major earthquake bringing about the failure of an embankment dam. Indeed, at least one Japanese dam reportedly did fail in the aftermath of the magnitude 9 earthquake on March 11. When this dam collapsed on March 12, the resulting flood apparently washed away a number of houses and damaged others, leaving several people missing and others dead. Fujinuma Dam , on a tributary of the Abukuma River in Fukushima Prefecture, was reported to be 17.5 meters high and 133 meters long. Relevant authorities subsequently inspected 252 dams in the region, of which seven were found to be damaged. Six earthen embankment dams were determined to have shallow cracks, and one concrete gravity dam suffered a small-scale earth slide in the reservoir area. However, given the scale of this earthquake and its after effects, the...

Full article: http://www.renewableenergyworld.com/rea/news/article/2011...

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Massey literally kept two sets of safety books,...

grist.org 30 Jun '11, 4pm

According to federal investigators, Massey Energy -- the folks who brought you the Upper Big Branch coal mine explosion th...