1986年9月初,江苏地震局在苏12井进行了几次井下爆破试验。爆破以后的几个月内,水位出现了引人注目的某些异常现象,现将变化情况作一简要的介绍和分析。苏12井概况苏12井位于南通市西北20公里的刘桥镇境内,构造位置处于南通隆起的北缘,黄桥—吕四东西向断裂带的南侧。井深689.75米,水位埋深11米多,主要含水层是中下三叠系的粗晶 In early September 1986, the Jiangsu Seismological Bureau conducted several underground blasting tests in Su-12 well. Within a few months after the blasting, there were some notable anomalies in the water level, and a brief introduction and analysis of the changes were made. Su 12 Well Overview Su 12 well is located 20 kilometers northwest of Nantong City, Liu Qiaozhen territory located in the north margin of Nantong uplift, Huangqiao - Lu four east-west fault zone to the south. 689.75 meters deep, water depth of 11 meters, the main aquifer is the Middle-Lower Triassic coarse grain