Video shows tsunami gushing from manhole
New video footage illustrating the force of Japan's March tsunami shows seawater spewing from a manhole in a coastal area.
The scene was shot in Kesennuma, Miyagi Prefecture, one of the worst-hit areas. A local resident took the footage from the rooftop of a building when the first tsunami wave struck the city center on March 11th.
The video shows water spouting from a flooded intersection, reaching as high as the second floor of a house.
City officials say they believe tsunami waves gushed into a sewer system, blowing off a manhole cover. They say a similar phenomenon likely affected at least 10 manholes in coastal areas of the city.
Torrential downpours are also known to blow off manhole covers as water floods sewage pipes and pressure rises. Two people died in the past after falling into flooded manholes that had lost their covers.
A new type of manhole designed to withstand high pressure has already been introduced in some places.
Tuesday, December 06, 2011 10:29 +0900 (JST
Please view this amazing video at link below:
http://www3.nhk.or.jp/daily/english/20111206_07.html?play
KawamotoDragon.com
Monday, December 5, 2011
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