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The Possibility of Estimating the Coseismic Deformation from Water Level Observations in Wells

Kopylova G.N., Steblov G.M., Boldina S.V., Sdelnikova I.A. (2010) The Possibility of Estimating the Coseismic Deformation from Water Level Observations in Wells // Izvestiya. Physics of the Solid Earth. Vol. 46, No. 1. pp. 47-56. doi: 10.1134/S1069351310010040.

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Abstract

A method for point estimation of coseismic volume deformation from amplitudes of earthquake generated changes in the water level and from the tidal sensitivity of the water level is presented. Application of this method is illustrated by six Kamchatka earthquakes of 1997–2004 with mw = 6.2–7.8 that occurred 128–316 km from the YuZ-5 well. Estimates of coseismic deformation provided by the level gage observations and by the model agree in amplitude and sign. The model reproduces an extended dislocation source in a homogeneous elastic isotropic half-space. Source rupture parameters correspond to focal mechanisms from the CMT international catalog. Consistence in experimental and theoretical estimates of the volume coseismic deformation indicates the high strain-resistance properties of YuZ-5 borehole and the possibility of quantitative estimation of seismotectonic deformation from high-precision water level measurements with time resolution not lower than 10 minutes.
Item Type: Article
Title: The Possibility of Estimating the Coseismic Deformation from Water Level Observations in Wells
Language: English
Journal or Publication Title: Izvestiya. Physics of the Solid Earth
ISSN Print: 1069-3513
ISSN Online: 1531-8451
Subjects: State scientific and technical information rubricator (ГРНТИ) > 37 ГЕОФИЗИКА > 37.31 Физика Земли > 37.31.19 Сейсмология
State scientific and technical information rubricator (ГРНТИ) > 37 ГЕОФИЗИКА > 37.31 Физика Земли > 37.31.27 Земные приливы
State scientific and technical information rubricator (ГРНТИ) > 38 ГЕОЛОГИЯ > 38.61 Гидрогеология > 38.61.15 Динамика и режим подземных вод
Depositing User: С.В. Болдина
Date Deposited: 12 Sep 2016 05:52
Last Modified: 04 Oct 2016 02:15
URI: http://repo.kscnet.ru/id/eprint/2744

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