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Modeling of Colombian Seismicity as Small-World Networks

机译:哥伦比亚地震性建模作为小世界网络

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摘要

Considering seismological data sets as complex networks is an approach that can be used to study the seismicity in a region; comprehend the spatial and temporal complexity of this phenomenon; and even more important, unravel the relationship among seismic events. In this work, we consider 4985 events, selected from the U.S. Geological Survey (USGS) earthquake catalog for the Colombian region, to build earthquake networks based on the temporal sequence of events and their specific location. We show that the networks are of small-world type independent of the cell size, or granularity, used to construct the networks, which is similar to the results reported for other regions even though the Colombian region is a complex seismic region where many plates converge. Furthermore, this work characterizes the structure of the complex networks of Colombian seismicity and highlights zones with seismic importance such as the Bucaramanga sector. Based on these results, we could apply complex network techniques to test the possibility of forecasting seismic events based on their spatial and temporal sequences.
机译:考虑到复杂网络的地震数据集是一种方法,可以用于研究一个地区的地震;理解这种现象的空间和时间复杂性;甚至更重要,揭开了地震事件之间的关系。在这项工作中,我们考虑了4985个活动,选自美国地质调查(USGS)地震目录的哥伦比亚地区,以基于事件的时间序列和其特定位置构建地震网络。我们表明网络与用于构建网络的小区尺寸或粒度,这些网络具有独立于电池大小,或粒度,这与其他区域报告的结果类似,即使哥伦比亚地区是许多板融合的复杂地震区域。此外,这项工作表征了哥伦比亚地震性复杂网络的结构,并突出了诸如Bucaramanga部门的地震重要性的区域。基于这些结果,我们可以应用复杂的网络技术来测试基于其空间和时间序列预测地震事件的可能性。

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