| 山西台网新国家标准震级标度与传统震级标度测定地方性震级的对比分析 |
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| 引用本文： | 张玲.山西台网新国家标准震级标度与传统震级标度测定地方性震级的对比分析[J].山西地震,2019(2):8-11. |
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| 作者姓名： | 张玲 |
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| 作者单位： | 山西省地震局;太原大陆裂谷动力学国家野外科学观测研究站 |
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| 摘 要： | 选用2018年山西数字地震台网的观测资料,分别对新国家标准震级标度与传统震级标度测定的地方性震级进行了对比分析。结果表明,新国标ML震级与传统ML震级一致性较高,震级偏差在0.1之内。新国家标准震级标度很好地继承和衔接了传统震级标度,使用分区量规函数测定的ML单台震级偏差和平均标准偏差值均较小,新震级标度测定的近震震级更加准确。
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| 关 键 词： | 地方性震级 震级偏差 国家标准震级 |
Comparison and Analysis of Local Magnitude Measured by New National Standard Magnitude Scale and Traditional Magnitude Scale of Shanxi Seismic Network |
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| ZHANG Ling.Comparison and Analysis of Local Magnitude Measured by New National Standard Magnitude Scale and Traditional Magnitude Scale of Shanxi Seismic Network[J].Earthquake Research in Shanxi,2019(2):8-11. |
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| Authors: | ZHANG Ling |
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| Institution: | (Earthquake Administration of Shanxi Province,Taiyuan,Shanxi 030021,China;National Continental Rift Valley Dynamics Observatory of Taiyuan,Taiyuan,Shanxi 030025,China) |
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| Abstract: | Based on the observation data of Shanxi digital seismic network in 2018,the local magnitude measured by new national standard magnitude scale and traditional magnitude scale are compared and analyzed.The results show that the ML based on the new national standard is consistent with the traditional ML,the deviation within 0.1.The new national standard magnitude scale inherits and connects well with the traditional magnitude scale.Both the single-station magnitude deviation and average standard deviation of ML measured by the zonal gauge function are smaller than the traditional scale,indicating that the local magnitude determined by the new magnitude scale is more accurate. |
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| Keywords: | Local magnitude Magnitude deviation National standard magnitude |
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