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Water-Level Changes in the Wells of Kamchatka at the Time of the Mw 7.6, April 20, 2006 Olyutorskii Earthquake

Kopylova G.N., Smolina N.N. (2010) Water-Level Changes in the Wells of Kamchatka at the Time of the Mw 7.6, April 20, 2006 Olyutorskii Earthquake // Journal of Volcanology and Seismology. Vol. 4, No. 3. pp. 180-192. doi: 10.1134/S0742046310030036.

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Abstract

The seismic waves excited by the Mw 7.6 Olyutorskii earthquake that occurred on April 20, 2006 in the Koryak Upland gave rise to water-level changes in five wells situated in continental areas of Kamchatka at hypocentral distances of 750–1150 km. We describe the effects due to seismic waves, as well as the water-level anomalies for February–April 2006 before the earthquake. We used an original technique for the processing of water-level records based on the study of barometric and tidal water-level responses in order to estimate the volume strain in water-saturated rocks during synchronous level variations at two wells. We discuss possible mechanisms for producing anomalous water-level changes due to elastic deformation of monitored groundwater reservoirs and to crack dilatancy in the water-saturated rocks.
Item Type: Article
Title: Water-Level Changes in the Wells of Kamchatka at the Time of the Mw 7.6, April 20, 2006 Olyutorskii Earthquake
Language: English
Journal or Publication Title: Journal of Volcanology and Seismology
ISSN Print: 0742-0463
ISSN Online: 1819-7108
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) > 38 ГЕОЛОГИЯ > 38.61 Гидрогеология > 38.61.15 Динамика и режим подземных вод
Depositing User: С.В. Болдина
Date Deposited: 15 Sep 2016 02:47
Last Modified: 04 Oct 2016 01:53
URI: http://repo.kscnet.ru/id/eprint/2758

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