Supplementary data to “Complex rupture dynamics of the extremely shallow August 2020 M5.1 Sparta, North Carolina earthquake”
收藏Mendeley Data2024-06-27 更新2024-06-27 收录
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https://figshare.com/articles/dataset/Supplementary_data_to_A_dense_microearthquake_catalog_reveals_the_complex_rupture_of_the_extremely_shallow_M5_1_Sparta_North_Carolina_Earthquake_/22689250
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This repository contains supplementary data used in the paper titled “Complex rupture dynamics of the extremely shallow August 2020 M5.1 Sparta, North Carolina earthquake”.Files include:supplementary_figure10_3d_earthquakes_plot.html: Interactive 3D plot of earthquakes in our catalog and the best fitting planes to the identified seismicity clusters.supplementary_figure11_3d_faultplanes_plot.html: Interactive 3D plot of best fitting planes to the three identified seismicity cluster and mainshock hypocenter.supplementary_data1_relocated_catalog_sparta.txt: Earthquake relocated catalog for the 2020 Sparta earthquake sequence.supplementary_data2_polarity_focal_mechanism_catalog.txt: First motion polarity derived focal mechanism catalog.readme.txt: file describing contents. Format of supplementary_data1_relocated_catalog_sparta.txt: ID YYYY MM dd hh mm ss.sss lat lon depth mag ex ey ez et rmsID: event identifierYYYY: year of earthquake origin timeMM: monthdd: dayhh: hourmm: minutess.sss: secondslat: latitude(degrees)lon: longitude(degrees)depth: depth in kmmag: earthquake magnitudeex: North-South uncertainty estimated from bootstrapping (m)ey: East-West uncertainty estimated from bootstrapping (m)ez: depth uncertainty estimated from bootstrapping (m)et: origin time uncertainty estimated from bootstrapping (ms)rms: root mean square of the differential times Format of supplementary_data2_polarity_focal_mechanism_catalog.txt: ID YYYY MM dd hh mm ss.sss mag lat lon depth st dip rk ep eap np misfit qual prob stratio nsp sp_misfID: event identifierYYYY: year of earthquake origin timeMM: monthdd: dayhh: hourmm: minutess.sss: secondsmag: earthquake magnitudelat: latitude(degrees)lon: longitude(degrees)depth: depth in kmst: focal mechanism strikedip: focal mechanism diprk: focal mechanism rakeep: fault plane uncertaintyeap: auxiliary fault plane uncertaintynp: number of P first motion polaritiesmisfit: weighted percent misfit of first motionsqual: focal mechanism quality: A-Fprob: probability mechanism close to solutionstratio: 100*(station distribution ratio)nsp: number of S/P ratiossp_misf: 100*(average log10(S/P) misfit Format of supplementary_data3_detection_catalog_sparta.txt: ID YYYY MM dd hh mm ss.sss lat lon depthID: event identifierYYYY: year of earthquake origin timeMM: monthdd: dayhh: hourmm: minutess.sss: secondslat: latitude(degrees)lon: longitude(degrees)depth: depth in km
本仓库包含发表于论文《2020年8月美国北卡罗来纳州M5.1级斯巴达极浅源地震复杂破裂动力学》的全部补充数据。所包含文件如下:
1. supplementary_figure10_3d_earthquakes_plot.html:本研究地震目录内地震事件与已识别地震集群最优拟合平面的交互式三维绘图
2. supplementary_figure11_3d_faultplanes_plot.html:针对三个已识别地震集群及主震震源的最优拟合平面交互式三维绘图
3. supplementary_data1_relocated_catalog_sparta.txt:2020年斯巴达地震序列的重定位地震目录
4. supplementary_data2_polarity_focal_mechanism_catalog.txt:基于初动极性得到的震源机制目录
5. readme.txt:内容说明文档,用于介绍各文件的具体信息
### supplementary_data1_relocated_catalog_sparta.txt 文件格式说明
该文件的字段格式为:ID YYYY MM dd hh mm ss.sss lat lon depth mag ex ey ez et rms
各字段含义如下:
- ID:地震事件唯一标识符
- YYYY:地震发震时刻的年份
- MM:发震月份
- dd:发震日期
- hh:发震小时
- mm:发震分钟
- ss.sss:发震秒数(精确至毫秒)
- lat:纬度(单位:度)
- lon:经度(单位:度)
- depth:震源深度(单位:千米)
- mag:地震震级
- ex:通过自助法(bootstrapping)估算得到的南北方向位置不确定度(单位:米)
- ey:通过自助法(bootstrapping)估算得到的东西方向位置不确定度(单位:米)
- ez:通过自助法(bootstrapping)估算得到的震源深度不确定度(单位:米)
- et:通过自助法(bootstrapping)估算得到的发震时刻不确定度(单位:毫秒)
- rms:走时残差的均方根(root mean square)值
### supplementary_data2_polarity_focal_mechanism_catalog.txt 文件格式说明
该文件的字段格式为:ID YYYY MM dd hh mm ss.sss mag lat lon depth st dip rk ep eap np misfit qual prob stratio nsp sp_misf
各字段含义如下:
- ID:地震事件唯一标识符
- YYYY:地震发震时刻的年份
- MM:发震月份
- dd:发震日期
- hh:发震小时
- mm:发震分钟
- ss.sss:发震秒数(精确至毫秒)
- mag:地震震级
- lat:纬度(单位:度)
- lon:经度(单位:度)
- depth:震源深度(单位:千米)
- st:震源机制走向角
- dip:震源机制倾角
- rk:震源机制滑动角
- ep:主断裂面不确定度
- eap:辅助断裂面不确定度
- np:P波初动极性观测点数
- misfit:初动残差加权百分比
- qual:震源机制质量等级,分为A至F六级
- prob:震源解的吻合概率
- stratio:台站分布比,计算公式为100×台站分布比例,以百分比表示
- nsp:S/P波比观测点数
- sp_misf:S/P波比平均对数残差,计算公式为100×平均log₁₀(S/P)残差,以百分比表示
### supplementary_data3_detection_catalog_sparta.txt 文件说明
该文件为2020年斯巴达地震序列的检测目录,字段格式为:ID YYYY MM dd hh mm ss.sss lat lon depth
各字段含义如下:
- ID:地震事件唯一标识符
- YYYY:地震发震时刻的年份
- MM:发震月份
- dd:发震日期
- hh:发震小时
- mm:发震分钟
- ss.sss:发震秒数(精确至毫秒)
- lat:纬度(单位:度)
- lon:经度(单位:度)
- depth:震源深度(单位:千米)
创建时间:
2024-02-17



