| 利用sPL震相确定海南儋州2.6级地震震源深度 |
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| 引用本文： | 彭利媚,赵韬,陈祥开,陈小敏,孙佩雯,王茺.利用sPL震相确定海南儋州2.6级地震震源深度[J].地震地磁观测与研究,2017,38(4):21-25. |
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| 作者姓名： | 彭利媚 赵韬 陈祥开 陈小敏 孙佩雯 王茺 |
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| 作者单位： | 1. 中国海口 570203 海南省地震局;2. 中国西安 710068 陕西省地震局 |
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| 基金项目： | 海南省地震局地震科技发展基金（项目编号：HDKJ201501） |
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| 摘 要： | 对海南测震台网记录的2014年7月28日海南儋州2.6级地震波形数据进行预处理,发现松林岭(SLL)地震台记录到sPL震相,运用频率—波速(F—K)方法,合成在不同震源深度模型下的理论波形。通过该台记录的实际波形和理论波形拟合对比,确定海南儋州2.6级地震震源深度约14 km。
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| 关 键 词： | sPL震相 F-K方法 震源深度 |
Determination of focal depth of Danzhou M 2.6 earthquake in Hainan Province by sPL seismic phase |
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| Peng Limei,Zhao Tao,Chen Xiangkai,Chen Xiaomin,Sun Peiwen,Wang Chong.Determination of focal depth of Danzhou M 2.6 earthquake in Hainan Province by sPL seismic phase[J].Seismological and Geomagnetic Observation and Research,2017,38(4):21-25. |
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| Authors: | Peng Limei Zhao Tao Chen Xiangkai Chen Xiaomin Sun Peiwen Wang Chong |
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| Institution: | 1. Hainan Earthquake Agency, Haikou 570203, China;2. Shaanxi Earthquake Agency, Xi'an 710068, China |
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| Abstract: | The seismic data of Hainan Danzhou M 2.6 earthquake recorded in Hainan seismic network in July 28, 2014 are pre-processed. We found Songlinling Seismic Station (SLL) recorded sPL phase. Using the method of frequency-velocity wave (F-K), the theoretical waveforms of sPL in different depth models of Songlinling Seismic Station (SLL) were synthesized. Through Fitting and contrasting the actual waveform and theoretical waveform of Songlinling Seismic Station (SLL), the focal depth of Danzhou M 2.6 earthquake in Hainan Province is determined about 14 km. |
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| Keywords: | sPL phase F-K method focal depth |
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