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1985年8月至87年元月,距乌什台370公里范围内,发生了几次中强地震,新疆乌什台压容应变一号元件(N7°36′E)的记录资料,在震前不同程度地出现短临应变异常。本文用三种方法处理资料,对异常进行判断和分析讨论。 1、应变日均值形态 将1986年3至5月的日均值绘制成图,可见曲线从4月1日趋势下降,4月30日下降到最低值、总幅度50~*,4月26日发生哈尔峻5.4级地震。5月1日突跳105,继之下降转平,5月20日发生阿合奇4.9级。
From August 1985 to January 1987, within a distance of 370 km from Wushi, there occurred several records of moderate-strong earthquakes and the first component of Wushi pressure-strain in Xinjiang (N7 ° 36’E). During the earthquake Short-term strain anomalies appear to varying degrees before. This article uses three methods to deal with the data, to judge and analyze the anomalies. 1, the average daily state of strain Graph 1986 to March average daily average is plotted, showing the curve from April 1 trend down, April 30 down to the lowest value, the total range of 50 ~ *, April 26 occurred Haerjun 5.4 earthquake. May 1 jumped 105, followed by decline flat, May 20 occurred AJC 4.9.