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[report整理] SENEWS-2011-03-21

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[Homework]SENEWS-2011-03-21

0321 this is the voa special english technology report.
A powerful earthquake struck the northeast coast of Japan at two forty six PM local time on March eleven.
Japan's (Meteorological) Agency released its first (tsunami)  warnings just three minutes later. the country has one of the best earthquake early warning  systems in the world.
there are more than four thousand (**Seismic Intensity ) meters  in place through out Janpan to measure earthquake activity. these meters provide information  within two minutes when earthquake happening.
information about the (*strength) and center of the earthquake can be learned within three minutes. there are also (concrete sea walls) around (much of the Japanese coast line)  but these measures proved no match for the powerful earthquake and tsunami.
(Costas Synolakis) is tsunami expert with the department  civil and (Environmental ) engineering at the university of (Southern)california in Los Angeles.
one of the most well  warnings the  I think  what /Japan is one of those most well-prepared countries on earth in terms of tsunami warning. They had a warning. I think what went wrong is that they had not anticipated the size of this event  
he says there are two reasons (for) this .Japan has not had  any event  any(when/anywhere) near as big as this one in the last one hundred and fifty years and scentists has not  expected  such a large earthquake happening (of/off the)  coast of Japan.
the nine point zero (magnitude) earthquake was the force most powerful earthquake ever recorded worldwide. it was also the worst earthquake ever to hit Japan. (tsunami ) followed  were reported to have reached  as high as thirteen meters in some areas.
(Costas Synolakis) says Japan's (can create/concrete ) sea walls were not (built) to handle such high (waves).
  in many places in Japan  about  meters /The concrete seawalls in many places in Japan are about 10 meters, that's about 33 feet. In Sendai, they were about three meters, that's about 10 feet. So that shows you that at least in that area they were not expecting such a sizeable wave.
a tsunami wave can travel as fast as eight hundred kilometers per hour. to get higher (ground) people would often have to travel for many kilometers. this can take more time than fast traveling tsunami will permit.
this is especially (true) in cases like Japan where the center of the earthquake struck so close to the coast  line the tsunami waves followed   almost immediately .  
experts say early warning systems will continue to be limited by these (facts) until earthquakes and tsunamis can be predicted.
and that's the voa special english technology report written by Jone   you can find more news about the disaster in Japan at our web site voaspecialenglish.com. you can also find transcripts mp3s and podcasts of our reports. and you can find us on facebook and youtube at voa learning english.  I'm steven Ember

This post was generated by put listening repetition system,  Check the original dictation thread!
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