Gravity variations before the Menyuan Ms 6.4 earthquake

作者：Liang Weifeng, Guoqing Zhang, Yiqing Zhu, Yunma Xu, Shusong Guo, Yunfeng Zhao, Fang Liu, Lingqiang Zhao · 发表于：Geodesy and Geodynamics · 年份：2016 · DOI：10.1016/j.geog.2016.04.013 · 被引用次数：17 · 研究领域：Earthquake Detection and Analysis、earthquake and tectonic studies、Seismic Waves and Analysis

In order to study the relationship between gravity variation and Menyuan M s6.4 earthquake, gravity variation characteristics in mid-eastern of Qilian Mountain were analyzed based on the 2012–2015 relative gravity datasets. The results indicated that the gravity changes in mid-eastern of Qilian Mountain increased gradually, while gravity changes around Menyuan remarkably. Besides, great positive-negative gravity changing gradients appeared along the Lenglongling Fault which was located at the north of Menyuan, and the 2016 Menyuan Ms 6.4 earthquake occurred near the junction of positive and negative gravity changes.