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对2011年12月1日莎车Ms5.2地震的天体引潮力周期变化过程进行计算,并根据该周期分析了NCEP温度数据资料,提取地震前的异常增温变化图像。结果表明:天体引潮力对处于临界状态的活动断层具有诱发作用;震前温度变化发生明显异常,经历起始增温→异常加强→高峰→衰减→平静的演化过程;出现温度异常位置与震中位置有较好的空间对应关系;NCEP温度异常研究在地震前兆研究中有较好的实用价值。
The period of celestial tidal force variation of Shache Ms5.2 earthquake on December 1, 2011 was calculated. According to the cycle, the NCEP temperature data were analyzed to extract the image of abnormal temperature change before earthquake. The results show that celestial tide force has an inducing effect on the active faults in the critical state; the temperature changes before the earthquake have obvious abnormalities and undergo the process of initial warming → anomalous enhancement → peak → decay → calm evolution; and the temperature anomalies and epicenter locations There is a good spatial correspondence between them; NCEP temperature anomalies have good practical value in the study of earthquake precursors.