SEISMOTECTONICS OF THE INNER TIENSHAN: SUUSAMYR BASIN AND ADJACENT AREAS
https://doi.org/10.5800/GT-2020-11-1-0461
Abstract
The Ms=7.3 Suusamyr earthquake of August 19, 1992 occurred in an area reputedly aseismic. Because it was not expected there, this event attracted worldwide attention of researchers in seismology and seismotectonics, but their results have not been included in the most recent seismic zoning map of Kyrgyzstan. New studies of neotectonic structures and focal mechanisms of earthquakes in the Suusamyr area and adjacent areas give reason to revise the established notions about the seismicity of the region. The seismic hazard in Inner Tienshan appears important and Mmax are comparable to those of the Northern and Southern Tienshan, where numerous destructive events were documented in the XIX and XX centuries. For the southern parts of the study area, along Naryn River, where hydroelectric power stations are planned, the new data should be used.
Supporting agencies: The research was supported by SNSF (IB7320-110694).
About the Authors
A. V. Mikolaichuk
Institute of Geology of NAS
Kyrgyzstan
Kyrgyzstan
ALEXANDER V. MIKOLAICHUK Candidate of Geology and Mineralogy, Senior Researcher
30 Erkindyk Blvd, Bishkek 720481, Kyrgyzstan
Z. A. Kalmetyeva
Central-Asian Institute for Applied Geosciences
Kyrgyzstan
Kyrgyzstan
ZOYA A. KALMETEVA Candidate of Physical and Mathematical sciences, Senior Researcher
73/2 Timur Frunze Rd, Bishkek 720027, Kyrgyzstan
J.-P. Burg
Department of Earth Sciences, ETH
Switzerland
Switzerland
JEAN-PIERRE BURG Doctor, Full Professor of Geology
5 Sonneggstrasse, Zurich CH-8092, Switzerland
D. Fossati
Department of Earth Sciences, ETH;
Marti Tunnelbau AG
Switzerland
Switzerland
DAVID FOSSATI Geological Engineer
21 Seedorffeldstrasse, Moosseedorf 3302, Switzerland
D.V. Gordeev
Institute of Geology of NAS
Kyrgyzstan
Kyrgyzstan
DMITRY V. GORDEEV Post-graduate Student
30 Erkindyk Blvd, Bishkek 720481, Kyrgyzstan
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For citations:
Mikolaichuk A.V., Kalmetyeva Z.A., Burg J., Fossati D., Gordeev D. SEISMOTECTONICS OF THE INNER TIENSHAN: SUUSAMYR BASIN AND ADJACENT AREAS. Geodynamics & Tectonophysics. 2020;11(1):39-52. https://doi.org/10.5800/GT-2020-11-1-0461
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