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《国家地理》:科学家1年前就发出地震预警

2008-05-19 | 来源: 博讯网 | 转到微信 | 有5人参与评论 | 字体: 放大缩小 | 收藏 | 打印

　　China earthquake predicted (map)

　　"It is more expensive to build earthquake-proof structures," he added. And the vast majority of people in Sichuan Province are anything but rich.

　　The Science Behind the Quake

　　Earthquake activity is nothing new in Beichuan.

　　"We have shown evidence for surface-rupturing earthquakes along the Beichuan fault since 12,000-13,000 years ago," Ellis and colleagues reported last summer.

　　Speaking with National Geographic News, Ellis said, "Ultimately, the [2008] earthquake is related to the continuing and inexorable collision of India with Asia, which is occurring at a rate of about 20 to 22 milimeters [just under an inch] per year."

　　This collision started more than 50 million years ago, when the tectonic plate beneath India crashed into the Eurasian plate. (Watch how the plates slammed into each other.)

　　"The Himalayas and all of Tibet was created by this collision," Ellis added.

　　As the Indian plate continues its slow-motion crash into Asia—sometimes in jerks marked by earthquakes—it is pushing the entire Tibetan Plateau northward.

　　"This earthquake was the Tibetan mountains moving east over the plains of Chengdu [the capital of Sichuan Province]," said Roger Bilham, a geoscientist at the University of Colorado who was not involved in the July 2007 study.

　　Not Just Sichuan's Problem

　　Study co-author Ellis said that, as the Tibetan Plateau moves northward, "the interior parts of Tibet are collapsing, rather like a soufflé taken out of the oven into cold air."

　　Faults along the southern, Himalayan edge of Tibet present hazards as great as those underlying the Sichuan temblor, Ellis said.

　　"Risk associated with the loss of collateral and lives is very high along the Himalaya, because so many people live there or immediately downstream," Ellis added.

　　"The risk is similarly high in Sichuan [to the east], because of the population and, like India and Nepal, the relatively poor building standards," he said.

　　And as India continues to pound into Tibet, "it is still creating new fault lines"—and new dangers.

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共有 5 人参与评论 (其它新闻评论)

#29570	游客 [恶.此.迁.孔]	2008-05-21 17:07
“震撼世界的1976年7月28日唐山大地震，震前曾被准确地预测出来了。” 　　唐山作家张庆洲经过长时间调查，最近向世人披露了这一令人震惊的消息。2005年5月，《报告文学》杂志社推出张庆洲的长篇调查《唐山警世录》，揭开了鲜为人知的一幕又一幕…… 　张庆洲把几十盘录音带往桌子上一摊，对《中国新闻周刊》说，“这是几十位当事人的采访录音，里面讲的是一个20多年前的秘密。” 赞踩回复 0

#29424	游客 [犬.昔.武.王]	2008-05-19 17:24
我说我明天中彩票. 真中了,就说明我天下第一算. 不中就shut up! 赞踩回复 0

#29417	SSAW [淮.昔.先.王]	2008-05-19 16:19
加州、台灣等地均被預估50年內有地震，真TMD狗屁赞踩回复 0

#29411	asker [今.昔.为.义]	2008-05-19 14:25
都他妈是时候诸葛亮，人都这样。经济上这种事情更多，股票跌了涨了都有股票分析师出来分析，妈的早干什么了。事情发生了说这些都没用。他们那个报告真要是预测性质的，而不是分析的，怎么可能不通报？如果证据确凿，中国地质局是吃干饭的？能眼看着未来100%要放生的灾害不管？用屁眼好好想想赞踩回复 0