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Title:: Studies on typical characteristic of mid and short term anomaly of Geotherm of Suqian 05 and Jinhu 06 wells

Author(s):: XU Gui-ming; ZHENG Jiang-rong; YANG Cong-jie; LI Hong-yu; (Earthquake Administration of Jiangsu Province,Nanjing 210014,Jiangsu,China)

Keywords:: Geotherm of Suqian 05 well; Geotherm of Jinhu 06 well; Anomaly graph; Short-term earthquake prediction

摘要:: 江苏宿迁05井、金湖06井自2001年数字化改造以来,水温观测记录到的典型中短期异常较好地对应了华东地区的几次中等地震,并较成功地应用于日常短临预报工作。对这两口井水温的典型异常图像和预报实践进行总结,结果表明:水温作为地震的直接前兆异常观测项目,在地震预报中具有相当突出的短临特征,它更多的反映了井孔区域内的中等地震引发的应力活动,在江苏地震的短期、短临预报方面发挥了较好的作用。

Abstract:: Typical mid and short term anomaly recorded by geotherm observation well corresponds with several moderate earthquakes in east China and applies successfully to short-term earthquake prediction after digital rebuild of Suqian 05 and Jinhu 06 wells in Jiangsu Province.This paper studies typical anomaly graphs and prediction activities and draws the conclusion as follows:Geotherm as an observation item of warning indications of earthquakes possesses the characteristics of short-term and approaching in forecasting; It well reflects the stress activities caused by the medium earthquakes in the band of the well; Thus,it plays an important role in the short-term earthquake prediction.