【摘要】 宿迁地震台跨断层短水准2017年初出现破年变现象,本文中通过对短水准观测场地环境、观测场地标志的稳定性、仪器工作状态、气象因素、水文因素、人为影响、异常变化特点及机理等因素分析,判断宿迁台短水准OA测线压性异常非干扰所致,是断层形变的一种体现,并据此为后续处理提供意见。更多还原

【Abstract】 At the beginning of 2017,cross-fault short leveling at Suqian Seismic Station broke annual variation pattern. Several factors were analyzed in this paper,including the environment of short leveling survey sites,stability of markers at survey sites,working state of instruments,meteorological factors,hydrological factors,anthropogenic influences,as well as features and mechanisms of abnormal changes. From the above analysis,it can be concluded that the compression anomaly of short leveling OA survey line at Suqian Seismic Station was not caused by disturbing factors,but a manifestation of fault deformation. Suggestions were given for follow-up processing.更多还原