Study on the Effects of Japan M9.0 Huge Earthquake on the Crustal Movement of Shandong Area
详细信息
- 责任者：Yin Haitao (Earthquake Administration of Shandong Province ; Jinan 250014 ; China) ; Gan Weijun
- 刊名：Chinese Journal of Geophysics
- 出版年：2013
- 卷期：56(5)
- 关键词：地壳运动 ; crustal movement ; 地震预测 ; earthquake prediction ; 山东 ; Shandong Province
- 页码：p.1497-1505
- 图表：illus., 1 table, 33 refs.
- 分类号：0500
- issnNo：ISSN0001-5733
- isbnNo：CN11-2074/P
摘要
Based on the Shandong Crustal Movement GPS Observation Network,combined with the global GPS data provided by IGS,we calculated the effects of Japan M9.0 huge earthquake on the Shandong area and provide the real motion track of stations.The result shows that: the maximum amplitude is more than 0.2 m at the GPS stations in Shandong during the earthquake,the wave movement lasted about 160s.The direction of co-seismic displacement is nearly south-easterly,and the maximum displacement is more than 10 mm.The effect of this earthquake on the Shandong area is mainly in horizontal direction,and it has a tensional effect on the Yishu Fault zone,and the tension amplitude of Northern part of the fault is obviously larger than Southern part.From the recent movement trend of GPS station,we can see that the blocks of Shandong area are moving back to west,so we speculate that the movement pattern will return to the former in about 3~5 month after the Earthquake,this work can provide a reliable basis for earthquake monitoring in this area.
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