Research of the acoustic emission of the near-surface sedimentary rocks in Kamchatka

Larionov, I. A.; Marapulets, Yu. V.; Mishchenko, Mikhail; Solodchuk, A.A.; Shcherbina, Albert

doi:10.30730/2541-8912.2017.1.3.057-063

Cited by 2 publications

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“…Ground surface deformations, geoacoustic emission of near-surface sedimentary rocks and atmospheric acoustic emission are recorded by a hardware-software complex described in detail in [26]. ADC sampling frequency is 1 kHz (48 kHz for high-frequency geoacoustic measurements).…”

Section: Equipment and Observation Methodsmentioning

confidence: 99%

Simultaneous lithospheric-atmospheric signals of acoustic emission at “Karymshina” site in Kamchatka

2021

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We present the results of complex lithospheric-atmospheric investigations of acoustic emission in a seismically active region (Kamchatka peninsula). A laser strainmeter-interferometer, a geophone, a wide-band acoustic system and a microbarometer, installed at Karymshina site (IKIR FEB RAS), are used in the monitoring. Rock deformation, acoustic emission in the near-surface rocks and in the atmosphere by the ground surface are under the consideration. Moreover, we suggest a method to detect acoustic signals recorded simultaneously in the near-surface rocks and in the atmosphere by the ground surface. The method consists in filtration of acoustic signals from the sensors at different frequency sub-ranges from fractions to the first hundreds of hertz followed by detection and accumulation of on 1-second interval. We analyze the data from September 2016 to December 2020. Examples of records of simultaneous acoustic signals in rocks and in the atmosphere are illustrated. The investigation is topical for the construction of a model of lithosphere-atmosphere interaction in a seismically active region.

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Section: Equipment and Observation Methodsmentioning

confidence: 99%

Simultaneous lithospheric-atmospheric signals of acoustic emission at “Karymshina” site in Kamchatka

2021

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“…Earth surface deformations, near-surface sedimentary rock acoustic emission, atmospheric acoustic radiation are recorded by a hardware-software complex [10] with the sampling frequency of 1 kHz.…”

Section: Instrumentation and Observation Highlightsmentioning

confidence: 99%

Results of atmospheric-lithospheric observations of acoustic radiation in Kamchatka

2019

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Simultaneous atomspheric-lithospheric acoustic observations have been carried out during autumn-spring periods of 2017-2019 in Kamchatka at “Karymshina” observation site located in the zone of different-rank tectonic faults. A laser strainmeter-interferometer, a seismoacoustic receiver and a microbarometer were installed to realize the observations. It was detected that during deformation disturbances, geoacoustic signals are generated in rocks with relative deformations of 10-5 – 10-7 at the place of recording. These signals pass the Earth-atmosphere boundary and are recorded in the air by the ground surface.

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Research of the acoustic emission of the near-surface sedimentary rocks in Kamchatka

Cited by 2 publications

References 0 publications

Simultaneous lithospheric-atmospheric signals of acoustic emission at “Karymshina” site in Kamchatka

Simultaneous lithospheric-atmospheric signals of acoustic emission at “Karymshina” site in Kamchatka

Results of atmospheric-lithospheric observations of acoustic radiation in Kamchatka

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