But now some scientists speculate that only sustained pressure can significantly move fault lines and thus trigger other large temblors .

不过，现在一些科学家认为，只有持续的压力才能够造成断层带大幅移动，进而引发其他大地震。

" But many of the temblors off the island had not been detected , " kuo said , adding that the centre would deploy several more seabed sensors if the government approves their construction .

“但许多远离岛屿的地震并未被探测到”，阔说，同时又补充道，如果政府批准他们的设计，地震学中心将在尽可能多的海床上部署传感器。

Since consistent record-keeping began in 1964 , the number of big temblors seen globally has stayed fairly constant : an average of 17 quakes of magnitude 7.0 or higher has been recorded each year , according to the usgs .

自1964年开始有持续纪录以来，全球大地震的数量基本保持不变：据美国国家地质调查局的数据，记录在案的里氏7.0级及以上地震每年平均有17次。

Indonesia , a region that has been hit repeatedly by massive temblors , most recently a 7.6 earthquake in september that killed more than 1000 people .

印尼是一个反复遭受地震袭击的地方，最近的一次是在九月份，震级7.6，一千多人丧生。