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The 1927 earthquakes and aftershocks in the Crimea: relocation based on instrumental data
Journal of Seismology ( IF 1.6 ) Pub Date : 2020-11-20 , DOI: 10.1007/s10950-020-09972-x
Alexey N. Morozov , Natalya V. Vaganova , Ludmila G. Dulentsova , Vladimir E. Asming , Zinaida A. Evtyugina

We used the most complete instrumental data supplied by the global network, a modern velocity model (ak135), and a modified method of generalized beamforming to relocate the Crimean earthquakes of June 26 and September 11, 1927, and for the larger (magnitudes above 4.5) aftershocks that occurred during the year 1927. For the relocation, we collected all available seismic bulletins from the global network using data from the ISC-GEM project (International Seismological Centre-Global Earthquake Model), EuroSeismos project, the ISS (International Seismological Summary) Bulletin, the archive of the Geophysical Survey of the Russian Academy of Sciences bulletins, and the archive of the Russian State Library. There are many onsets of P and S phases as recorded by numerous seismic stations for the two Crimean earthquakes and six aftershocks; the network geometry is favorable for reliable determination of hypocenter parameters. We believe that our results will be a contribution to the study of aftershocks following the 1927 Crimean earthquakes, and this will make it possible to learn new things about the space-time evolution of the seismic process during the active period from 1927 to 1931.



中文翻译:

1927年克里米亚的地震和余震:基于仪器数据的迁移

我们使用了全球网络提供的最完整的仪器数据,现代速度模型(ak135)和改进的广义波束成形方法来重新定位1927年6月26日和9月11日的克里米亚地震,以及较大的地震(4.5级以上) )在1927年发生的余震。对于搬迁,我们使用ISC-GEM项目(国际地震中心-全球地震模型),EuroSeismos项目,ISS(国际地震摘要)的数据从全球网络收集了所有可用的地震通报。 )公告,俄罗斯科学院地球物理勘测的公告档案和俄罗斯国家图书馆的档案。许多克里米亚地震和6次余震的众多地震台站记录到P相和S相的起始时间很多。网络的几何形状有利于可靠地确定震源参数。我们相信我们的结果将为研究1927年克里米亚地震后的余震做出贡献,这将使人们有可能学习有关1927年至1931年活跃期地震过程时空演变的新知识。

更新日期:2020-11-21
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