平静期 meaning in English

quiet period

The largest shock of this cluster occurred just after a short quiet period .
这群地震中最大的一个地震恰巧发生在一个短的平静期之后。
The main conclusions are as follows . cross - fault displacement observation can directly reflect the recent activities of the major faults in the region . present fault movement and earthquake activity have a temporal correspondence with each other , they all show alternately quiet and active periods . the intensity of fault movement is a manifestation of the strength of regional principal compressional stress , it also indicates the strength of an earthquake in preparation
认为： 1 )跨断层位移观测资料能够直接反映区内主要断层的最新活动情况； 2 )断层现今活动与地震活动在时间序列上相互对应，均有活跃期与平静期相互交替出现的活动特徵； 3 )断层活动强弱是区域主压应力强弱的表现，亦是孕震强度的标志。