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Change laws of intensity of moderate-small earthquakes (2.0≤Ms≤ 5.5)

机译:中小地震烈度的变化规律(2.0≤Ms≤5.5)

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摘要

The change laws of intensity of nearly 200 moderate-small earthquakes with Ms=2.0~5.5 occurring on the Chinese mainland since 1954 have been analyzed and are compared with that of moderately strong earthquakes (Ms≥5.0). The results show that there is quite obvious regionality in the statistical laws by both moderate-small earthquakes and moderately strong earthquakes: attenuation of intensity in Eastern China is slower than that in Western China and the ratio of the major axis to the minor axis of iso-seismal lines in Eastern China is smaller than that in Western China.
机译:分析了自1954年以来在中国大陆发生的近200次Ms = 2.0〜5.5的中小地震的强度变化规律,并与Ms≥5.0的中强地震的变化规律进行了比较。结果表明,中小地震和中强地震在统计规律上都具有明显的区域性:中国东部地区的强度衰减比西部地区慢,等轴长轴与短轴之比东部的地震线比西部的小。

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