In the past few centuries, the subduction zone off the coast of Sendai has generated earthquakes of up to magnitude 8 or so, but nothing as powerful as a 9, which releases 30 times more energy.
在过去的几个世纪里，仙台沿海地区的俯冲带发生的地震震级最大才达到8级，从未达到过9级，而这次地震释放的能量是8级地震的30倍。
On average, a magnitude 8 quake strikes somewhere every year and some 10, 000 people die in earthquakes annually.
平均第年都会有10000人死于8级强烈大地震。
For example, on the San Andreas Fault here in California, we know earthquakes can be as large as magnitude 8.
比如，在加利福尼亚的圣安地列斯断层，我们知道地震最高可达8级。
The ferris wheel can resist 8-magnitude earthquakes and Beaufort scale 12 typhoons.
摩天轮可以抵抗8级大地震及蒲福12级台风。
It shows that the earthquakes of magnitude 8 are correlated in space and this phenomenon can be depicted quantitatively by use of golden mean.
结果发现8级地震具有空间关联特征，其关联特征可以用“黄金分割数”定量描述。
It shows that the earthquakes of magnitude 8 are correlated in space and this phenomenon can be depicted quantitatively by use of golden mean.
结果发现8级地震具有空间关联特征，其关联特征可以用“黄金分割数”定量描述。
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