2011年东日本大地震对中国东北地区地壳变形的持续影响

Abstract

Abstract: Based the monitoring result and theoretical study, we find that the impact of the 2011 Tohoku-Oki earthquake in Japan on crustal deformation of Northeast China is prominent. However, there are different opinions about persistent time of the earthquake impact. Some scholars consider that the earthquake impact will be expired in May 2013 according to the observation of present in-situ absolute crustal stress, etc. For this problem, we combined with repeated observations in different epochs of GNSS before 2016, re-studied the above issues fully. The result suggests that such impact will not only exist, but also dominate crustal deformation in Northeast China. It just shows a gradual weakening trend with time increasing. Therefore, the distinct adjustment will persist and be discernable at least in a few years.

Key words: Crustal deformation, 2011 Tohoku-Oki earthquake, Northeast China

CLC Number:

P315.7

YANG Bo, ZHAN Wei, LIANG Hong-bao, ZHANG Feng-shuang, YANG Guo-hua. Persistent Impact of the 2011 Tohoku-Oki Earthquake in Japan on Crustal Deformation in Northeast China[J]. EARTHQUAKE, 2019, 39(2): 88-96.

References

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Persistent Impact of the 2011 Tohoku-Oki Earthquake in Japan on Crustal Deformation in Northeast China

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