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青海省区域地震活动的自然节律

THE NATURAL RHYTHM ANALYSIS OF THE REGIONAL SEISMICITY IN QINGHAI PROVINCE
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摘要 通过对青海省区域地震活动序列的分析,发现一定强度的地震活动序列存在着内在的、有序可数的“自然节律”。并从逾渗模型的角度对这一现象做了初步解释。认为:中强地震的自然节律可能在一定程度上体现了非平衡条件下地震活动的抗混性。 Based on the analysis of the temporal structure of regional seismicity in Qinghai Province, we have found that the large earthquakes (Ms≥5. 5 ) are occurred with the rhythm in time which is the number of earthquake events and are orderly in spatial structure. To a certain extent, the natural rhythm of regional seismicity shows the 'antichoas' of seismicity at nonbalanced conditions. In this paper, a preliminary explanation was made by using percolation model.
机构地区 青海省地震局
出处 《高原地震》 1997年第3期7-13,共7页 Plateau Earthquake Research
关键词 地震活动 地震序列 逾渗模型 抗混 Seismicity Earthquake sequence Percolation model Antichoas
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