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| 准实时中小地震震源机制波形自动反演系统的构建及在首都圈地区的应用 | |
| 引用本文： | 祁玉萍,李闽峰,李圣强,王斌,刘桂平,肖本夫,江鹏.准实时中小地震震源机制波形自动反演系统的构建及在首都圈地区的应用[J].地震,2015,35(4):99-108. |
| 作者姓名： | 祁玉萍 李闽峰 李圣强 王斌 刘桂平 肖本夫 江鹏 |
| 作者单位： | 1.四川省地震局, 成都 610041; 2.中国地震局地震预测重点实验室, 中国地震局地震预测研究所, 北京 100036; 3.湖南省地震局, 长沙 410001 |
| 基金项目： | “十二五”国家科技支撑计划项目课题(2012BAK19B01/07)专题和中国地震局M7工作专项资助 |
| 摘 要： | 基于Cut And Paste(CAP)全波形拟合反演震源机制解方法, 依托中国地震局地震预测研究所准实时地震波形数据服务系统, 通过接收区域实时连续波形数据, 构建了首都圈地区准实时准自动波形反演系统, 使系统实现当地震大于3.5级时, 可自动、 迅速反演得到震源机制解。 同时考虑到一些台站的地震波形质量或信噪比等因素, 系统也可通过人为干预方式重新反演求得相关结果。 文中详细阐述了震源机制解波形反演系统的运行流程及该系统的基本构建思路, 并对实例进行对比分析, 表明该系统具有较好的实用性。 |
| 关 键 词： | 震源机制解 CAP方法 波形反演系统 首都圈地区 |
| 收稿时间： | 2014-11-24 |
Quasi-automatic Waveform Inversion for Focal Mechanisms of Small to Moderate Earthquakes and its Application in the Capital Area |
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| QI Yu-ping,LI Min-feng,LI Sheng-qiang,WANG Bin,LIU Gui-ping,XIAO Ben-fu.Quasi-automatic Waveform Inversion for Focal Mechanisms of Small to Moderate Earthquakes and its Application in the Capital Area[J].Earthquake,2015,35(4):99-108. | |
| Authors: | QI Yu-ping LI Min-feng LI Sheng-qiang WANG Bin LIU Gui-ping XIAO Ben-fu |
| Institution: | 1. Earthquake Administration of Sichuan Province, Chengdu 610041, China; 2. Institute of Earthquake Science, CEA, Beijing 100036, China; 3. Earthquake Administration of Hunan Province, Changsha 410001, China |
| Abstract: | We developed a quasi-automatic real-time waveform inversion system for focal mechanisms of small to moderate earthquakes in Capital area, by using the Cut-And-Paste (CAP) method and continuously monitor regional broadband waveform data provided by the Institute of Earthquake Science, CEA, which can automatically detect the occurrences of seismic events and determine the focal mechanism solutions in real-time. In this study, automatic solutions can be obtained rapidly when the earthquake has occurred (M>3.5). In addition, since some bad or low signal-to-noise ratio (SNR) data can be included and participated in the inversion, the focal mechanism solutions can also be manually obtained. The system operation process and construction consideration are detailedly elaborated in the paper, and the system has preferable practicability by comparing the results with others. |
| Keywords: | Focal mechanism Cut and paste (CAP) Quasi-automation waveform inversion Capital area of China |
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