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1·The Wenchuan earthquake registered 8 on the Richter magnitude scale, making it a major earthquake.

汶川地震在里氏震级的记录中为8级，是一场大地震。

2·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。

3·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。

4·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。

5·The size of the earthquake itself, with that magnitude, according to the release of the earthquake wave energy flexibility to determine the size of magnitude, China's general use of the Richter scale.

地震本身的大小，用震级表示，根据地震时释放的弹性波能量大小来确定震级，我国一般采用里氏震级。

6·The more numerous earthquakes smaller than magnitude 5 reported by national seismological observatories are measured mostly on the local magnitude scale, also referred to as the Richter scale.

有更多的次5级地震的报道小于由国家地震观测站测量大都是在当地的量级，也被称为里氏震级。

7·Subsequent reports from the US Geological Survey (USGS) place the magnitude of the tremor at 4.2 on the Richter scale.

来自美国地质勘探局(usgs)的后来的报告估计4.2里氏震级的震动。

8·The Great Peruvian Earthquake hit the coastal town of Chimbote, Peru on May 31, 1970 - measuring a 7.9 magnitude on the Richter scale.

1970年蒲月三十一日，秘鲁沿海都市钦博特产生了里氏7.9级的年夜地震。

9·All were near magnitude 7 on the Richter scale.

这些地震都在里氏7级左右。

10·How do you give a Richter magnitude to earthquakes that occurred prior to the scale?

如何给里氏震级概念出现之前的地震确定里氏震级？