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ARCHEOLOGICAL MONUMENTS - EVIDENCES OF STRONG EARTHQUAKES IN THE PAST (ON EXAMPLE OF SOUTH-WESTERN PART OF THE ISSYK-KUL LAKE REGION, THE TIEN SHAN)
1 Sergeev Institute of Geoecology, Russian Academy of Sciences, Russia, 101000, Moscow, Ulansky alleyway, 13/2
2 Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, Russia, 123242, Moscow, Bolshaya Gruzinskaya st., 10-1
3 Institute of Theory of Earthquakes Forecast and Mathematical Geophysics, Russian Academy of Sciences, Russia, 117997, Moscow, Profsouznaya st., 84/32
4 Institute of Marine Geology and Geophysics, Far-Eastern Branch of the Russian Academy of Sciences, Russia, 693022, Yuzhno-Sakhalinsk, Nauky st., 1B
5 Institute of the Earth Crust, Siberian Branch of the Russian Academy of Sciences, Russia, 664033, Irkutsk, Lermontova st., 128
6 Trofimuk Institute of Oil and Gas Geology and Geophysics, Siberian Branch of the Russian Academy of Sciences, Russia, 630090, Novosibirsk, Akad. Koptyug av., 3
7 Novosibirsk State University, Russia, 630090, Novosibirsk, Akad. Koptyug av., 3
8 State Research Institute «Center of Nature Research», Lithuania, LT-08412, Vilnius, Akademijos st., 2
9 Institute of Seismology, National Academy of Sciences of Kyrgyz Republic, Kyrgyzstan, 720060, Bishek, Asanbay 52/1
Journal: Geophysical processes and biosphere
Tome: 20
Number: 4
Year: 2021
Pages: 20-38
UDK: 550.394.4
DOI: 10.21455/GPB2021.4-2
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Korzhenkova L.A., Korzhenkov A.M., Rodkin M.V., Strelnikov A.A., Makeev V.M., Gladkov A.S., Deev E.V., Mazeika J.V., Fortuna A.B. ARCHEOLOGICAL MONUMENTS - EVIDENCES OF STRONG EARTHQUAKES IN THE PAST (ON EXAMPLE OF SOUTH-WESTERN PART OF THE ISSYK-KUL LAKE REGION, THE TIEN SHAN) // . 2021. Т. 20. № 4. С. 20-38. DOI: 10.21455/GPB2021.4-2
@article{KorzhenkovaARCHEOLOGICAL2021,
author = "Korzhenkova, L. A. and Korzhenkov, A. M. and Rodkin, M. V. and Strelnikov, A. A. and Makeev, V. M. and Gladkov, A. S. and Deev, E. V. and Mazeika, J. V. and Fortuna, A. B.",
title = "ARCHEOLOGICAL MONUMENTS - EVIDENCES OF STRONG EARTHQUAKES IN THE PAST (ON EXAMPLE OF SOUTH-WESTERN PART OF THE ISSYK-KUL LAKE REGION, THE TIEN SHAN)",
journal = "Geophysical processes and biosphere",
year = 2021,
volume = "20",
number = "4",
pages = "20-38",
doi = "10.21455/GPB2021.4-2",
language = "English"
}
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Keywords: "LONG" WALLS, ISSYK-KUL LAKE, TERSKEY ALA-TOO RANGE, ARCHAEOSEISMOLOGY, SEISMIC DEFORMATIONS, RUPTURES, MIDDLE AGES, TIEN SHAN
Аnnotation: The paper presents new and summarized existed materials on archeoseismological studies of stony walls conducted in the Alabash-Konurolyong intra-mountain depression (South-Western Issyk-Kul Lake region, the Northern Tien Shan). There were studied: remnants of sublatitudinal wall in the north of Kyoksay village, remnants of buildings in the Duvana pass, «long» sublongitudinal wall in the north of Alabash village, and ruins of Alabash fortress in the pass with the same name. Studied deformations have allowed to determine the quantitative characteristics of two seismic events occurred in XV and XVIII centuries AD. Obtained significant PGV values (in average 1-3 m/sec) are in good concordance with results of data analysis on the strong ground motions and they are corresponded to nearest near-fault zone. Such values in concordance with morphostructure and other paleoseismological data point on vicinity (nor far that few kms) of correspondent generative seismogenic fault and on development of thrust deformations of compression. Paleoseismological data, in particular results of PGV values assessments, show on significantly larger seismic hazard of the southern flank of the Issyk-Kul Lake depression then it is shown in modern map of the seismic hazard of Kyrgyzstan. Seismic intensity values for study localities are assessed by us as I = 9.0±0.5. Thus according to preliminary paleoseismological data the level of seismicity of the southern part of the Issyk-Kul Lake basin is analogous to seismicity of its northern part. Obtained data can be used in the work process on new assessment of the seismic hazard of the Issyk-Kul Oblast’ of Kyrgyz Republic.
