摘要
新汤家坪跨断层短水准场地2015年7月17日观测曲线出现幅度为3.89 mm的下降变化。本文针对仪器工作状态、观测场地标志稳定性、人为影响、气象因素、异常变化特点及机理等因素,排除滑坡、开挖等影响,判断该水准AD测线压性异常属实,且非干扰所致,并据此提出后续处理意见。
The observation curve of cross-fault leveling in new Tangjiaping field dropped about3.89mm in July17th,2015.The environmental change of instrument working condition,observationsite stability,some unavoidable artificial influence,the meteorological factor and their affectmechanism on cross-fault leveling observation are analyzed and the landslide,excavation and otherpossible influence factor are excluded in this paper.Based on the above analysis,we point out thatthe3.89mm dropped change of the observation curve of cross-fault leveling in Xintangjiaping fieldis a true information from geological structure,and give out the follow-up suggestion.
作者
马伶俐
苏琴
郑兵
李菲菲
王双洪
Ma Lingli;Su Qin;Zheng Bing;Li Feifei;Wang Shuanghong(Survey Engineering Institute, Earthquake Administration of Sichuan Province, Yaan 625000, China)
出处
《地震地磁观测与研究》
2017年第1期81-87,共7页
Seismological and Geomagnetic Observation and Research
基金
星火计划"川滇地壳形变特征及在强震中短期预测中的应用研究"项目(项目编号:XH15037SX)
"四川地壳形变异常核实及跟踪分析"课题(项目编号:2016020205)
四川省地震局科技专项-冕宁跨断层短水准异常跟踪分析(项目编号:LY1709)
关键词
跨断层
短水准
异常核实
cross-fault
leveling
anomaly confirmation
