| 中国东北地区尾波震级 |
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| 引用本文： | 黄才中.中国东北地区尾波震级[J].地震,1994(3):29-38. |
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| 作者姓名： | 黄才中 |
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| 作者单位： | 江苏省溧阳地震台,江苏省地震局,江苏省地震局,江苏省徐州地震台,江苏省徐州地震台 中国溧阳 213300,中国南京 210014,中国南京 210014,中国徐州 221000,中国徐州 221000 |
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| 摘 要： | 本文用东北地区的大量地震资料导出了地震尾波最大地动双振幅Ａ随Ｐ波初动起算持续时间ｔ的衰减规律。
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| 关 键 词： | 地震尾波 持续时间 震级 中国 |
CODA MAGNITUDE IN NORTHEAST CHINA REGION |
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| Huang Caizhong.CODA MAGNITUDE IN NORTHEAST CHINA REGION[J].Earthquake,1994(3):29-38. |
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| Authors: | Huang Caizhong |
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| Abstract: | In this paper the law "Double amplitude A of Coda maximum ground motion is attenuated with the duration time t calculated from P-wave first motion "is inferred based on a great number of seismic data in Northeast China region:Gz=2.211gtz+lgAz (1)GH =2.261gtH +lgAH (2)And the Coda magnitude Mc formula in Northeast China region and the transform equation between Mc and Ms are established.The calculation shows that Mc remains the level of ML magnitude with high magnitude accuracy. It is suitable to the magnitude determination of ML 2.5-6.5 near earthquakes by using the recent short -period seismometers with or without the limited variation in Northeast China region. This technique is easier and convenient. |
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| Keywords: | Coda duration time magnitude |
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