The magnitude of this earthquake has been estimated to be from 8.0 to 8.3 on the Richter scale.

据估计，这次地震为里氏8.0到8.3级。

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In the 1970s, California's Oroville Dam may have contributed to an earthquake of magnitude of 5.7 on the Richter scale.

20世纪70年代，加利福尼亚州的奥罗维多大坝可能促成了里氏5.7级的地震。

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The Great Peruvian Earthquake hit the coastal town of Chimbote, Peru on May31, 1970 —measuring a 7.9 magnitude on the Richter scale.

1970年五月三十一日，秘鲁沿海城市钦博特发生了里氏7.9级的大地震。

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What is more, Lithuanian geologists have discovered that despite the fact that the Ignalina facility is built on a fault that was the site of an earthquake in 1907 of a magnitude of 7.1 on the Richter scale it is only designed to withstand tremors of up to 5.5.

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What is more, Lithuanian geologists have discovered that -- despite the fact that the Ignalina facility is built on a fault that was the site of an earthquake in 1907 of a magnitude of 7.1 on the Richter scale -- it is only designed to withstand tremors of up to 5.5.

CENTERFORSECURITYPOLICY: Center For Security Policy