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METHOD OF DETERMINING SEISMIC IMMIGRATION ACTIVITY INDEX IN EPICENTRAL FIELD OF SEISMICITY

机译:确定地震主要场中的地震移民活动指数的方法

摘要

FIELD: seismology.;SUBSTANCE: invention relates to seismology and can be used to determine seismic immigration activity index in epicentral field of seismicity. Based on the experimental data, the seismic stations separated on the surface are plotting the epicentres of earthquakes in the study area. Choose relatively homogeneous areas of the earthquake epicentre field. Map of earthquake epicentres of the selected section is plotted in the form of a circle of given radius. Number of recorded earthquakes is determined on said section. Similar field is used to generate a field of synthesized events randomly distributed with constant probability density of "epicentres". For each site a vector diagram of azimuths of epicentres of actual impacts and "epicentres" of synthesized events is created. Number of epicentres of real shocks and "epicentres" of synthesized events directed to one side in time are determined from vector diagrams in the given angular sector. Number of unidirectional consecutive epicentres of real shocks and "epicentres" of synthesized events of at least three is defined as a chain of earthquakes in a real field of epicentres and as a chain of events in a simulated field of "epicentres". Number of allocated chains in a real earthquake field and the number of allocated chains in the field of synthesized events are calculated. Series of synthesized events generation in the platform is repeated as many times as required. Number of allocated chains is determined for each generation. Results of all generations are used to determine average number of allocated chains. Standard deviation is calculated and seismic-immigration activity index is calculated.;EFFECT: seismic immigration activity index determination in epicentral field of seismicity.;1 cl, 7 dwg
机译:技术领域本发明涉及地震学,可以用于确定地震活动性震中的地震移民活动指数。根据实验数据,地表上分开的地震台站正在绘制研究区域的地震震中。选择地震震中场相对均匀的区域。选定区域的地震震中图以给定半径的圆的形式绘制。在该部分确定记录的地震数。类似的字段用于生成以恒定的概率密度“ epicentres”随机分布的合成事件的字段。对于每个站点,都创建了实际影响震中方位角和合成事件的“显象”方位角的矢量图。从给定角度扇区中的矢量图确定实际冲击的震中次数和指向时间一侧的合成事件的“事件”。至少三个的真实震荡的单向连续震中和合成事件的“震中”的数目被定义为震中真实场中的地震链和模拟的“震中”领域中的事件链。计算实际地震场中分配的链数和合成事件领域中的分配链数。平台中的一系列综合事件生成根据需要重复多次。确定每一代的分配链数。所有代的结果用于确定分配的链的平均数量。计算标准偏差并计算地震移民活动指数。效果:确定地震活动性震中的地震移民活动指数。1 cl,7 dwg

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