| 2010年智利Ms8．8地震震相特征分析 |
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| 引用本文： | 陈翔,邓存华,余庆坤,李雷,黄瑶.2010年智利Ms8．8地震震相特征分析[J].地震地磁观测与研究,2012,33(5):35-39. |
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| 作者姓名： | 陈翔 邓存华 余庆坤 李雷 黄瑶 |
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| 作者单位： | 1. 中国云南650204,昆明基准地震台
2. 中国昆明650224,云南省防震减灾信息中心 |
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| 摘 要： | 对昆明地震台数字地震仪记录的2010年2月27日智利Ms8．8地震的震相进行分析，与格尔木、高台、呼和浩特、成都、银川、兰州、西妥等7个地震台记录进行对比，提出智利地震的记录特征、分析难点，并将JB表中Pdif波走时曲线的截止距离从150°延伸到177．8°。
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| 关 键 词： | 智利地震 数字记录 疑难震相 |
Features of seismic phases of the Ms8.8 Chile earthquake in 2010 |
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| Chen Xiang
,
Deng Cunhua
,
Yu Qingkun
,
Li lei
,
Huang Yao.Features of seismic phases of the Ms8.8 Chile earthquake in 2010[J].Seismological and Geomagnetic Observation and Research,2012,33(5):35-39. |
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| Authors: | Chen Xiang Deng Cunhua Yu Qingkun Li lei Huang Yao |
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| Institution: | 1) Kunming Seismic Station, Yunnan Province 650204, China ;2) In f romation Center for the Earthquake Prevention and Disaster Reduction, Earthquake Administration of Yunnan Province, Kunming 650224, China) |
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| Abstract: | We analyze the waveform of the Ms8.8 Chile earthquake occurred on February 27, 2010, which is recorded by the digital seismometers at Kunming Seismic Station, and contrast it with those recorded by other seismic stations in China such as Geermu, Gaotai, Hohhot, Chengdu,Yinehuan,Lanzhou,and Xi＇an. Thus, after finding the features of the waveform of the Chile earthquake, we put forward some methods for identifying the difficult seismic phases of the earthquakes in Chile. In addition, we suggest that the maximum distance which the Pdif-phase can travel-defined as 150° in the Jeffreys-Bullen Travel Time Table-can be expanded to 177.8°. |
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| Keywords: | Chile earthquake digital waveform difficult seismic phases |
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