区域台网地震矩张量快速反演系统研究

赵韬, 赵曦, 王莹, 李少睿, 惠少兴, 王杰民

赵韬, 赵曦, 王莹, 李少睿, 惠少兴, 王杰民. 2016: 区域台网地震矩张量快速反演系统研究. 地震学报, 38(6): 889-897. DOI: 10.11939/jass.2016.06.008
引用本文: 赵韬, 赵曦, 王莹, 李少睿, 惠少兴, 王杰民. 2016: 区域台网地震矩张量快速反演系统研究. 地震学报, 38(6): 889-897. DOI: 10.11939/jass.2016.06.008
Zhao Tao, Zhao Xi, Wang Ying, Li Shaorui, Hui Shaoxing, Wang Jiemin. 2016: Study on the fast seismic moment tensor inversion system using regional seismic network data. Acta Seismologica Sinica, 38(6): 889-897. DOI: 10.11939/jass.2016.06.008
Citation: Zhao Tao, Zhao Xi, Wang Ying, Li Shaorui, Hui Shaoxing, Wang Jiemin. 2016: Study on the fast seismic moment tensor inversion system using regional seismic network data. Acta Seismologica Sinica, 38(6): 889-897. DOI: 10.11939/jass.2016.06.008

区域台网地震矩张量快速反演系统研究

基金项目: 

测震台网青年骨干培养专项 20160524

陕西省地震局启航与创新基金课题 201603

测震台网青年骨干培养专项(20160524)和陕西省地震局启航与创新基金课题(201603)共同资助

详细信息
    通讯作者:

    赵韬, e-mail:zhaotaowy@163.com

  • 中图分类号: P315.61

Study on the fast seismic moment tensor inversion system using regional seismic network data

  • 摘要: 基于美国内华达大学地震实验室的矩张量反演程序,采用JAVA和HTML语言,研发了一套近实时全波形矩张量快速反演系统,用于区域台网地震矩张量的快速产出.该系统由区域地震速报系统触发,能自动实现中等强度地震矩张量的快速反演,同时也包含人机交互模块,可进行人工校正,最终以网页形式对外服务.本文将系统运行以来成功反演的结果与USGS和中国地震局地球物理研究所的计算结果进行对比,验证了该系统的可靠性.
    Abstract: Seismic moment tensor is an important part of seismology study, which supplies indispensable information for earthquake research. Fast acquisition of seismic moment tensor solution could be the key of post-earthquake relief and tendency determination. Based on the moment tensor inversion package from Nevada Seismology Laboratory, using JAVA and HTML language, we developed a near real-time full waveform moment tensor inversion system, which could fast output seismic moment tensor. Triggered by the Earthquakes Instant Messenger (EQIM), the system could inverse seismic moment tensor of moderate earthquakes automatically, also could be corrected manually, and offer web services in the end. Comparison has been made between our results and published ones by USGS and Institute of Geophysics, China Earthquake Administration, verifying the reliability of this system.
  • 图  1   自动计算系统框架(a)和自动矩张量反演流程(b)

    Figure  1.   Framework of auto computing system (a) and flowchart of auto moment tensor inversion (b)

    图  2   区域台网快速矩张量反演系统获取的165次地震反演结果分布

    Figure  2.   Distribution of 165 seismic moment tensor solutions from fast inversion system using regional seismic network data

    表  1   区域台网地震矩张量自动反演系统MS≥5.0地震反演结果对比

    Table  1   Contrast analysis of MS≥5.0 earthquakes' inversion solutions from regional fast inversion system

    发震时刻 震中
    位置
    MW 深度
    /km
    节面Ⅰ 节面Ⅱ 资料来源*
    年-月-日 时:分 走向/° 倾角/° 滑动角/° 走向/° 倾角/° 滑动角/°
    6.0 8 165 90 17 75 73 180 本文
    2014-08-03 16:30 云南
    鲁甸
    6.1 14 160 87 5 69 85 177 USGS
    6.3 11 165 87 6 74 87 177 地球物理研究所
    2014-08-17 06:07 云南
    永善
    5.0 8 318 64 2 227 84 154 本文结果
    4.9 8 319 62 0 229 90 152 地球物理研究所
    2014-10-01 09:23 四川
    越西
    5.0 8 352 74 20 256 70 163 本文结果
    5.0 10 350 79 21 256 69 168 地球物理研究所
    5.0 16 299 40 97 110 50 84 本文
    2014-10-02 23:56 青海
    乌兰
    5.1 12 299 60 105 90 34 66 USGS
    5.1 17 287 47 80 121 44 101 地球物理研究所
    5.8 8 234 80 -176 143 86 -10 本文
    2014-11-22 16:55 四川
    康定
    5.9 14 231 78 -170 139 80 -12 USGS
    6.1 12 233 90 180 143 90 0 地球物理研究所
    2014-11-25 23:19 四川
    康定
    5.3 12 151 88 -7 241 83 -178 本文
    5.6 12 152 82 -3 242 87 -172 USGS
    2015-01-14 13:21 四川
    乐山
    4.6 10 292 14 68 135 77 95 本文
    4.6 12 151 47 80 345 44 101 地球物理研究所
    2015-02-22 14:43 新疆
    沙湾
    4.8 8 242 18 58 95 74 100 本文
    4.7 17 57 45 65 270 50 113 地球物理研究所
    2015-04-15 15:39 内蒙古
    阿拉善
    左旗
    5.1 4 358 84 -164 267 74 -6 本文
    5.4 22 174 85 -169 83 79 -5 USGS
    5.0 20 140 43 83 330 48 97 本文
    2015-06-25 03:12 新疆
    托克逊
    5.0 33 133 46 98 302 45 82 USGS
    5.0 31 154 58 88 338 32 93 地球物理研究所
    4.8 12 108 83 28 14 62 172 本文
    2015-10-12 18:04 青海
    玛多
    5.2 20 288 81 5 197 85 171 USGS
    5.1 20 112 81 6 21 84 171 地球物理研究所
    2015-11-23 05:02 青海
    祁连
    5.0 20 10 64 151 114 64 30 本文
    5.0 9 11 78 143 110 54 15 地球物理研究所
    4.9 20 242 39 27 131 74 125 本文
    2016-01-14 05:18 新疆
    轮台
    5.1 24 273 28 85 99 62 93 USGS
    5.0 20 272 23 78 105 68 95 地球物理研究所
    5.7 12 342 42 109 137 51 74 本文
    2016-01-21 01:13 青海
    门源
    5.9 7 342 55 101 144 36 75 USGS
    6.0 7 335 53 98 141 38 79 地球物理研究所
    * USGS的反演结果引自http://earthquake.usgs.gov/earthquakes/search/, 中国地震局地球物理研究所的反演结果引自http://www.cea-igp.ac.cn/tpxw/index.shtml/.
    下载: 导出CSV
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出版历程
  • 收稿日期:  2016-05-05
  • 修回日期:  2016-08-12
  • 发布日期:  2016-10-31

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