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Present tectonics of the southeast of Russia as seen from GPS observations

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Title: Present tectonics of the southeast of Russia as seen from GPS observations
Authors: Shestakov, N. V. Browse this author
Gerasimenko, M. D. Browse this author
Takahashi, H. Browse this author →KAKEN DB
Kasahara, M. Browse this author →KAKEN DB
Bormotov, V. A. Browse this author
Bykov, V. G. Browse this author
Kolomiets, A. G. Browse this author
Gerasimov, G. N. Browse this author
Vasilenko, N. F. Browse this author
Prytkov, A. S. Browse this author
Timofeev, V. Yu. Browse this author
Ardyukov, D. G. Browse this author
Kato, T. Browse this author
Keywords: Space geodetic surveys
Plate motions
Kinematics of crustal and mantle deformation
Issue Date: Feb-2011
Publisher: Oxford University Press
Journal Title: Geophysical Journal International
Volume: 184
Issue: 2
Start Page: 529
End Page: 540
Publisher DOI: 10.1111/j.1365-246X.2010.04871.x
Abstract: The present tectonics of Northeast Asia has been extensively investigated during the last 12 yr by using GPS techniques. Nevertheless, crustal velocity field of the southeast of Russia near the northeastern boundaries of the hypothesized Amurian microplate has not been defined yet. The GPS data collected between 1997 February and 2009 April at sites of the regional geodynamic network were used to estimate the recent geodynamic activity of this area. The calculated GPS velocities indicate almost internal (between network sites) and external (with respect to the Eurasian tectonic plate) stability of the investigated region. We have not found clear evidences of any notable present-day tectonic activity of the Central Sikhote-Alin Fault as a whole. This fault is the main tectonic unit that determines the geological structure of the investigated region. The obtained results speak in favour of the existence of a few separate blocks and a more sophisticated structure of the proposed Amurian microplate in comparison with an indivisible plate approach.
Rights: This article has been accepted for publication in Geophysical Journal International ©:The Authors 2011 Published by Oxford University Press on behalf of The Royal Astronomical Society All rights reserved.
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 高橋 浩晃

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