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        日本忍者杀手(PBS:Japans.Killer.Quake)

        PBS纪录片:日本忍者杀手(PBS:Japans.Killer.Quake)

        It was nearly two years ago that the worst earthquake to strike Japan in 1,000 years hit.And another with a magnitude 9.0 or higher could strike the United Stat

        编号:发行时间:2011分辨率:720P

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        日本忍者杀手(PBS:Japans.Killer.Quake)内容介绍

        It was nearly two years ago that the worst earthquake to strike Japan in 1,000 years hit.
        And another with a magnitude 9.0 or higher could strike the United States.
        That is only one of the scary messages in this excellent segment of NOVA, which includes mind-bogglingly horrific footage of the tsunami that followed the quake on 3/11/11.
        The tectonic plates involved had been moving 3 centimeters per year -- about as long as our fingernails grow annually, we're told -- for several centuries before the pressure became too much. The quake was 1,000 times more powerful than the one that devastated Haiti and its tsunami "erased whole towns." About 20,000 people died.
        The show sounds warnings about Cascadia, a similar earthquake hot spot that stretches from Vancouver Island to Northern California. According to Wikipedia, it's believed there's up to a 37% chance that plates in that range could blow within the next 50 years -- and we're far less prepared for a mega-disaster than Japan was.
        Like plane crashes, earthquakes are studied by scientists from around the world in the hopes that knowledge can save lives in the future.
        The problem with tsunamis is that warning systems help if you're far enough away. If they occur in your backyard there's little or no time to flee.

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