Modern displacement of active faults in South-Yakutian coal-bearing depression on the GPS data
- 作者: Imaev V.S.1,2, Imaeva L.P.1,2, Аshurkov S.V.1,2, Grib N.N.3, Kolodeznikov I.I.4
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隶属关系:
- Institute of Earth Crust SB RAS
- Institute of Geology of Diamond and Precious Metals SB RAS
- Technical Institute (Branch) of North-Eastern Federal University
- Academy of Sciences Republic of Sakha (Yakutia)
- 期: 编号 3 (2019)
- 页面: 63-71
- 栏目: Articles
- URL: https://journals.eco-vector.com/0203-0306/article/view/12694
- DOI: https://doi.org/10.31857/S0203-03062019363-71
- ID: 12694
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详细
For a quantitative assessment of the current horizontal velocity of the surface displacement of the crust in southern Yakutia in recent years, was organized the first and only points of permanent GPS observations in the city of Neryungri (NRG) and the city of Chulman (CHL3). Both points of observation are located within the southern margin of the Eurasian plate, near the system of active structures separating it from the Amur plate.
To estimate the relative displacement, the period of joint operation of these two GPS points was chosen, namely from June 29, 2015 to December 1, 2016. The rate of displacement of the point in Neryungri, calculated for a 5-year period (from 27.10.2011 to 01.10.2016), was 21.83±0.73 mm/year in the East-West direction and 12.26±0.25 mm/year in the North-South direction in the international reference basis ITRF2014. The obtained values differ slightly from the theoretical values of the velocity of the Eurasian lithospheric plate at the specified point. The difference of the measured velocities with velocities according to the known kinematic model of the Eurasian plate obtained in this paper is |0.5| mm/year for the Eastern component and |1.0| mm/year for the Northern one and corresponds to the assessment of other authors [Kreemer et al., 2014]. To improve the accuracy of determining the speed of horizontal displacements of the earth's crust at the station CHL3, it is necessary to continue measurements synchronous with the station NRG2.
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作者简介
V. Imaev
Institute of Earth Crust SB RAS; Institute of Geology of Diamond and Precious Metals SB RAS
编辑信件的主要联系方式.
Email: imaev@crust.irk.ru
俄罗斯联邦, 128, Lermontov str., Irkutsk, 664033; 39, Lenin Avenue, Yakutsk, 677000
L. Imaeva
Institute of Earth Crust SB RAS; Institute of Geology of Diamond and Precious Metals SB RAS
Email: imaeva@crust.irk.ru
俄罗斯联邦, 128, Lermontov str., Irkutsk, 664033; 39, Lenin Avenue, Yakutsk, 677000
S. Аshurkov
Institute of Earth Crust SB RAS; Institute of Geology of Diamond and Precious Metals SB RAS
Email: ashurkov@crust.irk.ru
俄罗斯联邦, 128, Lermontov str., Irkutsk, 664033; 39, Lenin Avenue, Yakutsk, 677000
N. Grib
Technical Institute (Branch) of North-Eastern Federal University
Email: grib@nfygu.ru
俄罗斯联邦, 16, Kravchenko str., Neryungri, 678960
I. Kolodeznikov
Academy of Sciences Republic of Sakha (Yakutia)
Email: anrsa@mail.ru
俄罗斯联邦, 33, Lenin Avenue, Yakutsk, 677007
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