| 德令哈地震台国内外中强震震相记录特征 |
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| 引用本文： | 杨浩. 德令哈地震台国内外中强震震相记录特征[J]. 地震地磁观测与研究, 2019, 40(3): 27-39. DOI: 10.3969/j.issn.1003-3246.2019.03.005 |
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| 作者姓名： | 杨浩 |
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| 作者单位： | 中国青海 816000 德令哈地震台 |
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| 基金项目： | 青海省地震局基金课题（2018） |
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| 摘 要： | 选取德令哈地震台2007-2017年数字地震记录,对于国内外不同方位、不同震中距、不同地区、不同深度的典型中强地震,使用广东省地震局研发的单台分析处理软件MSDP,从地质构造、波列特征、P波初动、S波与P波震相到时差、主要震相、最大振幅、震中距等方面,分析所选取地震震相特征。结果表明,不同构造区域的介质差异性及震源深度、地震波传播路径的不同,导致德令哈地震台记录的各地区地震震相特征不同。
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| 关 键 词： | 中强地震 地震波形 震相特征 震相分析 |
Characteristics of seismic records of moderately strong earthquakes at home and abroad at Delingha Seismic Station |
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| Yang Hao. Characteristics of seismic records of moderately strong earthquakes at home and abroad at Delingha Seismic Station[J]. Seismological and Geomagnetic Observation and Research, 2019, 40(3): 27-39. DOI: 10.3969/j.issn.1003-3246.2019.03.005 |
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| Authors: | Yang Hao |
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| Affiliation: | Delingha Seismic Station, Qinghai Province 816000, China |
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| Abstract: | From 2007 to 2017, the typical moderately strong earthquakes in different directions, epicenter distances, regions and depths at home and abroad recorded by Delingha Seismic Station are selected. The selected seismic phase include the geological structure, wave train characteristics, P wave initial motion, S-P time difference, main seismic phases, maximum amplitude, epicenter distance and so on. The results show that the characteristics of seismic phase recorded in different tectonic regions are different due to the difference of medium, the depth of seismic source and the propagation path of seismic wave. |
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| Keywords: | moderate strong earthquake seismic waveform seismic phase characteristics seismic phase analysis |
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