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本文对海城地震前辽南地区和1976年1—2月山西临汾地区的 EHSCH 的生态特点,及其原因进行了比较和分析。山西临汾地区的 EHSCH 是由局部地区气温升高直接引起的冬眠蛇自然出洞,即是非震兆现象。海城地震前的 EHSCH 是在地温变化背景下,由含硫地气等前兆因素强迫冬眠蛇出洞,即与主震有关的前兆现象。虽然海城地震前25天内的40cm 地温变化与 EHSCH 之间具有显著的线性相关,即地温变化为冬眠蛇暂时苏醒提供了必要的温度条件,但是只有临震前几天内的地温持续升温过程,可能是与主震有关的地温异常。
This paper compares and analyzes the ecological characteristics and causes of EHSCH in Liaonan area before Haicheng earthquake and January-February 1976 in Shanxi province. EHSCH in Linfen area of Shanxi Province is caused by the local area’s temperature rising which directly causes the hibernation snake to naturally exit the hole, that is, the non-shocking trillion phenomenon. Before the Haicheng earthquake, EHSCH was forced by the precursory factors such as sulfur gas to hibernate snake out of the hole under the background of the change of geothermal temperature, that is, the precursor phenomenon related to the main shock. Although the change of 40cm in the first 25 days before the Haicheng earthquake has a significant linear relationship with the EHSCH, that is, the change of the ground temperature provides the necessary temperature conditions for the temporary wake-up of the hibernating snake, but only during the days before the earthquake, May be associated with the main shock geothermal anomalies.