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Sound Range AE as a Tool for Diagnostics of Large Technical and Natural Objects
Gapeev M., Solodchuk A., Lukovenkova O., Mishchenko M., Shcherbina A.
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In seismically active regions of the Earth, to which the Kamchatka peninsula refers, pre-seismic anomalies are recorded in different geophysical fields. ...
Method of adaptive threshold wavelet processing of pulse signals
Tristanov A.B., Lukovenkova O.O., Solodchuk A.A.
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Geoacoustic emission (GAE) signals recorded at the geodynamic polygon of the Kamchatka Peninsula
are a complex multicomponent source of information about the stress-
strain state of the medium at mesoscales. This type of signal has a pulsed nature. ...
Methodology for assessing the state of near-surface sedimentary rocks based on the results of observations of dynamic characteristics of geoacoustic emission
Senkevich Yu.I., Mishchenko M. A.
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The state of surface sedimentary rocks is monitored at the ICIR of the Far Eastern Branch of the Russian Academy
of Sciences based on the results of processing and analysis of the geoacoustic emission signal (GAE). ...
Methodology for assessing the state of near-surface sedimentary rocks based on the results of observations of dynamic characteristics of geoacoustic emission
Senkevich Yu.I., Mishchenko M. A.
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The state of surface sedimentary rocks is monitored at the ICIR of the Far Eastern Branch of the Russian Academy
of Sciences based on the results of processing and analysis of the geoacoustic emission signal (GAE). ...
Optical system for recording specimen deflection in bending tests. Geosistemy perehodnykh zon = Geosystems of Transition Zones
Mishchenko M.A., Larionov I.A., Vas’kin V.A.
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Special systems for recording deflections are used, when carrying out the works on three-point bending
and destruction of specimens made of different geomaterials. ...
Atmosphere and Lithosphere Interaction Could Triggered the 2023 Mw 7.8 Turkey Earthquake
Volkov V., Dubrov M., Larionov I., Mrlina J., Polak V., Aleksandrov D., Golovachev S.
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Comprehensive data analysis of atmospheric and cyclonic activity based on worldwide meteorological and oceanology data as well as the comparison with tilts and strains precise measurements by far distanced instruments have been ...
Seismoacoustic and Seismoelectric Responses of Near-Surface Sedimentary Rocks in Kamchatka
Shcherbina A.O., Solodchuk A.A.
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Seismoacoustic and seismoelectric responses of near-surface sedimentary rocks, detected earlier in Kamchatka by the authors, are under investigation. Cases of these responses, recorded from November 2012 to May 2023 at Karymshina site, are considered. ...
Improved Algorithm for Detecting Pulses in Geoacoustic Emission Signals Recorded by a Combined Receiver in Kamchatka
Shcherbina A.O., Solodchuk A.A.
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The paper is devoted to the modernization of the previously developed algorithm for detecting pulses in geoacoustic signals against a background of noise. The algorithm is implemented as a computer program. ...
Search for Anomalies of Group Behavior of Geoacoustic Emission Signal Pulse Flux
Senkevich Y., Mishchenko M.
Long-term practice in the observation of geoacoustic emission (GAE) signals in the near-surface layer of the Earth shows their relation with plastic deformation processes occurring under seismic phenomenon impact. ...
Complex Analysis of Anomaly Dynamic Patterns of Geoacoustic Emission Parameter Distribution
Senkevich Y., Mishchenko M., Gapeev M.
The advantages of dynamic presentation of geoacoustic emission (GAE) signal distribution density are shown. That allows us to distinguish anomalous and regular fragments of GAE parameter distribution density change on images. ...
Modeling Locations with Enhanced Earth’s Crust Deformation during Earthquake Preparation near the Kamchatka Peninsula
Gapeev M., Marapulets Y.
In seismically active regions of the Earth, to which the Kamchatka peninsula refers, pre-seismic anomalies are recorded in different geophysical fields. ...
Stochastic Strike-Slip Fault as Earthquake Source Model
Gapeev M., Solodchuk A., Parovik R.
It is known that the source of a tectonic earthquake in the framework of the theory of elasticity and viscoelasticity is considered to be displacement along a certain fault surface. Usually, when describing a source, the geometry of the fault surface is simplified to a flat rectangular area. ...
System of Laser Interferometers with a Large Spatial Difference to Study the Seismic-Deformation Oscillations of the Earth
Dubrov M.N, Larionov I.A., Alexandrov D.V., Kravtsov D.V.
The results of unique experiments on synchronous recording of oscillations of earth’s surface with three laser interferometers–deformographs spaced at a distance of 6740 km, obtained during 2016–2020, are considered: two 100-m laser deformographs (Fryazino, Moscow oblast) and one 18-meter ...
Estimating the increased deformations areas that occur during the preparation of Kamchatka earthquakes.
Gapeev M.I.
The article is devoted to mathematical modeling of increased deformations areas of the Earth’s crust that occur during the preparation of Kamchatka earthquakes. For this purpose, a generalization of the classical model of the Earth’s crust co-seismic deformations, proposed by Yu. ...
Coupled oscillators as a model of high-frequency geoacoustic emission
Gapeev M.I., Solodchuk A., Parovik R.I.
The article is devoted to mathematical modeling of high-frequency (from units to tens of kilohertz) geoacoustic emission of near-surface sedimentary rocks recorded in Kamchatka. ...
Adaptive Approach to Time-Frequency Analysis of AE Signals of Rocks
Lukovenkova O., Marapulets Yu., Solodchuk A.
The paper describes a new adaptive approach to the investigation of acoustic emission of rocks, the anomalies of which may serve as short-term precursors of strong earthquakes. ...
Distributed System for Recording, Collecting, and Digital Processing of Broadband Geophysical Signals
Mishchenko M., Malkin E., Solodchuk A., Lukovenkova O.
The paper describes hardware and software implementation of distributed system for recording, collecting and digital processing of broadband geophysical signals. The signals are recorded at observation points that are significantly remote (over 350 km) from data collection and processing point. ...
Anomaly Detection in Pulse Geoacoustic Signals
Gapeev M., Lukovenkova O., Senkevich Yu., Solodchuk A.
The article proposes a method for describing pulse geoacoustic signals, which allows us to detect anomalies. To do this, the geoacoustic signal is converted into a symbolic sequence using the structural-linguistic analysis method. ...
Analysis of manifestation of joint acoustic and electric responses of near-surface sedimentary rocks on the deformation by earthquake seismic waves in the South of Kamchatka
Marapulets Yu.V., Mishchenko M.A., Rulenko O.
We continue the investigation of earlier discovered joint acoustic and electric responses of near-surface sedimentary rocks on the deformation by earthquake seismic waves. The appearance and absence of this response in earthquakes with the energy class of more than 11. ...
Application of adaptive wavelet thresholding to recovery geoacoustic signal pulse waveforms
Lukovenkova O.O.
Recorded geoacoustic signals often contain noise and interference. Their appearance is caused by various reasons, e.g. of propagation environment heterogeneity, weather condition influence, human activity, etc. ...
Simultaneous lithospheric-atmospheric signals of acoustic emission at «Karymshina» site in Kamchatka
Larionov I.A., Marapulets Yu.V., Mishchenko M.A.
We present the results of complex lithospheric-atmospheric investigations of acoustic emission in a seismically active region (Kamchatka peninsula). ...
Application of spaced system of laser interferometers and tiltmeters for sharing the earthquakes precursory events
Dubrov M., Volkov V., Larionov I., Mrlina J., Polak V., Aleksandrov D.
Our previous investigations evidently show that synchronous observation of global atmosphere and lithosphere disturbances by means of 130-1,600 km spatially distributed precise instruments is the effective method of detecting precursors of large seismic events and other dangerous natural ...
Estimation of probability distributions of geoacoustic signal characteristics
Gapeev M.I., Senkevich Yu.I., Lukovenkova O.O.
The paper presents an estimation of probability distributions of geoacoustic signal characteristics. The studied signals have a pulsed nature. The ones have been recording at the geodynamic test site of the IKIR FEB RAS (Kamchatka Peninsula) for more than 20 years. ...
Time-frequency analysis of geoacoustic data using adaptive matching pursuit
Lukovenkova O.O., Marapulets Yu.V.
The paper presents the results of applying a developed approach based on sparse approximation methods for time–frequency analysis of geoacoustic data. ...
Search for Hidden Patterns in Acoustic and Electromagnetic Pulse Signals
Senkevich Yu.
Timely warning of disasters caused by earthquakes ensures life safety. Therefore, the search for markers of pre-seismic events preceding earthquakes remains an important research task. ...
Classification of geophysical signal pulses based on their shapes
Senkevich Yu., Solodchuk A., Lukovenkova O.
The paper is devoted to the classification of pulse geophysical signals. To describe pulses, descriptive matrices are proposed. The descriptive matrix is a square binary matrix that reflects the amplitude-phase relations inside the pulse. ...
On the relation between geophysical signal anomalies and earthquakes
Lukovenkova O., Solodchuk A., Mishchenko M.
The presented work examines the pre-seismic anomalies of the geoacoustic emission signals recorded in Kamchatka in 2017–2019. The authors formulated signs of geoacoustic emission anomalies and features of their occurrence. ...
Some features of acoustic and electric responses of near-surface sedimentary rocks during deformations by seismic waves from strong earthquakes (Mw > 6.5)
Mishchenko M., Rulenko O., Marapulets Yu.
Acoustic and electric responses of near-surface sedimentary rocks are considered. They were recorded during the deformations by seismic waves from six earthquakes with magnitude Mw = 6.6−7.7 at the distances of 131-728 km from epicenters in Kamchatka region. ...
Analysis of geoacoustic emission and electromagnetic radiation signals accompanying earthquake with magnitude Mw = 7.5
Lukovenkova O., Solodchuk A.
The paper is devoted to the analysis of frequency spectra and pulse waveform variety of the geoacoustic and electromagnetic signals recorded on Kamchatka Peninsula at “Karymshina” site during seismically calm and active periods. ...
Experience in synchronous observation of seismic-strain oscillations of the Earth by the spaced laser interferometers
Aleksandrov D., Dubrov M., Kravtsov V., Larionov I.
The first results of unique experiments on the synchronous registration of seismic-strain oscillations of the Earth's surface by three laser interferometers-deformographs (strainmeters) spaced 6740 km apart are presented. ...
Search for anomalies in pulse flows of acoustic and electromagnetic emissions
Senkevich Yu.
Timely warning of disasters caused by earthquakes ensures life safety. Therefore, the search for markers of pre-seismic events preceding earthquakes remains an important research task. ...
Complex analysis of acoustic and electromagnetic signals to assess seismic hazard level
Marapulets Yu.V., Senkevich Yu.I., Lukovenkova O.O., Solodchuk A.A., Larionov I.A., Mishchenko M.A., Malkin E.I., Shcherbina A.O., Gapeev M.I.
The monograph is devoted to new methods and technical means of complex analysis of geoacoustic and electromagnetic radiation signals for the purpose of automated assessment of the lithospheric-atmospheric system (Earth’s surface layer – low atmosphere) state during the periods preceding ...
Method of analysis and classification of acoustic emission signals to identify pre-seismic anomalies
Marapulets Yu., Senkevich Yu., Lukovenkova O., Solodchuk A.
A new method of analysis and classification of rock acoustic emission signals is proposed. It is based on symbol description of signals and involves the following processing. First, signal segments containing pulses are detected. ...
Anomalies before Kamchatka earthquakes (ML ≥ 4.75) in signals of electromagnetic radiation and geoacoustic emissions in 2013
Lukovenkova O. O., Malkin E. I., Mishchenko M. A., Solodchuk A. A.
The paper deals with preseismic anomalies of electromagnetic signals. radiation in the range of very low frequencies (VLF) and geoacoustic emissions registered in Kamchatka in 2013. Revealed signs occurrence of anomalous disturbances in the signals under study and features their manifestations. ...
On the analysis of seismoacoustic emission signals near-surface sedimentary deposits in Kamchatka
Sychev V. N., Cheshev M. E., Mishchenko M. A.
In Kamchatka, at the observation point <> with the help of a measuring systems based on a three-component piezoceramic seismic receiver monitoring of signals of seismoacoustic emission of near-surface sedimentary rocks. ...
Investigation of Pre-seismic Signals of Electromagnetic VLF Range Emission in Kamchatka
Lukovenkova O., Marapulets Yu., Kim A.
The article is devoted to the application of the sparse approximation method for the study of electromagnetic signals of the VLF range registered in Kamchatka. ...
Improvement of methods for sparse model identification of pulsed geophysical signals
Tristanov Alexander, Lukovenkova Olga, Marapulets Yuri, Kim Alina
The article is devoted to the application of the sparse approximation method for the study of electromagnetic signals of the VLF range registered in Kamchatka. ...
Investigation of Electromagnetic VLF-range Signals Applying Sparse Approximation Schemes
Lukovenkova O., Marapulets Yu., Kim A., Tristanov A.
The article is devoted to the application of the sparse approximation method for the study of electromagnetic signals of the VLF range registered in Kamchatka. ...
Auto clustering of the variety of pulse signals based on their symbolic description
Senkevich Yu.
In a number of applied studies of geophysics, medicine, cosmophysics, atomic physics and other fields of knowledge, useful information is often hidden in the character of the behavior of a stream of frequency modulated pulses, which are represented by a large variety of forms, significantly ...
Estimation of the power of geoacoustic emission sources registered in Mikizha Lake, Kamchatka region
Shcherbina A., Solodchuk A.
A method for estimating the power of geoacoustic emission sources recorded by a combined hydroacoustic receiver in Mikizha lake (Kamchatka region) is proposed. The results of the method application at different stages of seismic activity are presented.
Complex analysis of pre-seismic geoacoustic and electromagnetic emission signals
Lukovenkova O., Solodchuk A., Tristanov A., Malkin E.
The article describes the results of complex analysis of pre-seismic signals of electromagnetic and geoacoustic radiation. We analyzed the frequency content of single sferics and geoacoustic impulses recorded before the Zhupanov earthquake that occurred on January 30, 2016. ...
Results of atmospheric-lithospheric observations of acoustic radiation in Kamchatka
Larionov I., Marapulets Yu., Mishchenko M.
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. ...
Manifestation features of near-surface sedimentary rock electric and acoustic responses on seismic waves from earthquakes
Muratov P., Rulenko O., Marapulets Yu.
The results of analysis of near-surface sedimentary rock electric and acoustic responses on seismic waves from five Kamchatka earthquakes with the magnitudes of 4.9 – 7.3 at the distances of 79 – 498 km from epicenters are presented. ...
System approach to identification of geopulses
Gapeev M.I., Senkevich Yu.I., Lukovenkova O.O., Solodchuk A.A.
A new system approach to the identification and systematization of geophysical pulses is described. It includes stages of detection, analysis, object and structural description, pulse classification. ...
Fractal analysis of seismoacoustic emission signals of near-surface sedimentary rocks in Kamchatka
Imashev S.A., Mishchenko M.A., Cheshev M.E.
We studied, by the mono- and multifractal detrended fluctuation analysis (DFA), time fluctuations in the dynamics of seismoacoustic data, recorded in Karymshina site, which is located in a seismic area of Kamchatka. ...
Joint Perturbation in Geoacoustic Emission, Radon, Thoron, and Atmospheric Electric Field Based on Observations in Kamchatka
O.P. Rulenko, Yu.V. Marapulets, Yu.D. Kuz’min, A.A. Solodchuk
Based on the integration and analysis of the published theoretical results and field observations, the possibility is considered of a joint perturbation in geoacoustic emission, radon, thoron, and the atmospheric electric field before an earthquake. ...
Earth strain and acoustic monitoring of geodynamic processes in seismic and aseismic zones using highly sensitive, spatially separated instruments
D.V. Aleksandrov, M.N. Dubrov, I.A. Larionov, Yu.V. Marapulets, B.M. Shevtsov
This paper reports results from observations of broadband geophysical processes using laser interferometer strainmeters and special acoustic instruments. ...
Joint Anomalies of High-Frequency Geoacoustic Emission and Atmospheric Electric Field by the Ground–Atmosphere Boundary in a Seismically Active Region (Kamchatka)
Marapulets Yu., Rulenko O.
The authors generalize and analyze the investigation results of joint anomalies of high-frequency geoacoustic emission and atmospheric electric field by the ground–atmosphere boundary which were detected by them in Kamchatka. ...
Computational models of cognitive monitoring sysytems
Vodyakho A.I., Zhukova N.A., Klimov N.V., Lukovenkova O.O., Osipov V.Yu., Tristanov A.B.
The paper considers an approach to the synthesis of models of cognitive monitoring systems. ...
A Comparison of Numerical Schemes for Dictionary Iterative Refinement in Problems of Sparse Approximation
Lukovenkova O.O., Marapulets Yu.V., Tristanov A.B., Kim A.A.
Sparse approximation is a decomposition of the original signal into the sum of the minimum possible number of functions selected from the given dictionary. Matching pursuit is an algorithm that allows to find an estimated solution to the sparse approximation problem. ...
Sparse Approximation Methods and Their Parallel Implementation
Kim A.A., Lukovenkova O.O., Marapulets Yu.V., Tristanov A.B.
The article is devoted to a new approach in the analysis of geoacoustic pulses. The authors proposed a mathematical model based on a sparse representation of the signal. An adaptive matching pursuit method has been developed to identify model parameters. ...
Using a sparse model to evaluate the internal structure of impulse signals
Kim A.A., Lukovenkova O.O., Marapulets Yu.V., Tristanov A.B.
Impulse nature signals generated by complex geophysical systems require special methods to study their internal structure. These signals are characterized by a short duration of impulses and the variability of their structure. ...
Methods for spatial direction finding of geoacoustic signals at Mikizha Lake in Kamchatka
Shcherbina A.O., Solodchuk A.A.
In the framework of the work, a spatial analysis of geoacoustic emissions properties recorded by a hydroacoustic receiver in a shallow Mikizha Lake, Kamchatkskiy kray, is carried out. ...
Deformation-Electromagnetic Relations in Lithospheric Activity Manifestations
Larionov I.A., Malkin E.I., Uvarov V.N.
It has been shown that dipole radiation of accelerated charges, described by Larmor relation, is the basis of the known mechanic-electromagnetic processes of rock deformation. ...
Joint analysis of low-frequency geoacoustic and deformation signals
Mishchenko M.A., Marapulets Yu.V., Larionov I.A., Bogomolov L.M., Sychev V.N.
Simultaneous monitoring of signals recorded by a three-component piezoceramic seismic receiver and by a laser strainmeter-interferometer have been carried out in Kamchatka since 2016. Cases of simultaneous registration of low-frequency geoacoustic and deformation signals were detected.
Modernization of adaptive matching pursuit method to analyze geophysical signals of pulse nature
Lukovenkova O.O., Marapulets Yu.V., Tristanov A.B., Kim A.A.
The paper is devoted to the development and comparison of different numerical methods which increase the adaptive property and improve the accuracy of matching pursuit algorithm in connection to geoacoustic and electromagnetic signals. ...
The use of the empirical mode decomposition method to clean and restavration acoustic emission signal
Senkevich Yu.I.
The results of the study of the possibility of using the empirical mode decomposition method for cleaning geoacoustic emission signals from various types of noise are presented. ...
Assessing the orientation of the axis of maximum compression of rocks with a combined point receiver system
Marapulets Yu. V., Shcherbina A.O.
To study the directional properties of geoacoustic emission, the paper proposesthe use of a combined point receiver system moored at the bottom of a natural waterbody in Kamchatka. ...
Methods for recording and for time-frequency analysis of geoacoustic emission signals
Marapulets Yu. V., Lukovenkova O.O., Tristanov A.B., Kim A.A.
The monograph is devoted to the new methods for recording and time-frequency analysis of geoacoustic emission signals. ...
On some features of signals of geoacoustic emission before earthquakes
Shcherbina A.O.
Geoacoustic emission signal amplitudes and arrival directions were analyzed during background periods and earthquake preparation. It was determined that during seismic event activation, geoacoustic emission directivity anisotropy increases with the increase of signal amplitude. ...
Information approach to the analysis of acoustic and electromagnetic signals
Senkevich Yu.I, Duke V.A., Mishchenko M.A., Solodchuk A.A.
The example of linguistic processing of acoustic signals of a seismic event would be an information approach to the processing of non-stationary signals. The method for converting an acoustic signal into an information message is described by identifying repetitive self-similar patterns. ...
Electromagnetic and acoustic radiations before Kamchatka earthquake
Marapulets Yu.V., Druzhin G.I., Cherneva N.V., Solodchuk A.A.
The most probable cause of simultaneous anomalous radiations in electromagnetic and acoustic fields, different in nature, is intensification of deformation processes during strong earthquake preparation. ...
InSAR data analysis at Kamchatka during 2016
Larionov I.A., Perezhogin A.S.
Geophysical monitoring in seismically active areas depends on geodeformation processes in the earth's crust. ...
Parallel adaptive sparse approximation methods for analysis of geoacoustic pulses
Kim A.A., Lukovenkova O.O., Marapulets Yu.V., Tristanov A.B.
The results of complex observations of acoustic emission in the near surface rocks and in the atmosphere by the ground surface are described. The instrumentations for the observations are a laser strainmeter-interferometer and a microbarometer installed close to each other. ...
Complex atmospheric-lithospheric observations of acoustic emission at «Karymshina» site in Kamchatka
Larionov I.A.
The results of complex observations of acoustic emission in the near surface rocks and in the atmosphere by the ground surface are described. The instrumentations for the observations are a laser strainmeter-interferometer and a microbarometer installed close to each other. ...
Acoustic and Electromagnetic Emissions Preceding the Earthquake in Kamchatka
G.I. Drugin, Yu.V. Marapulets, N.V. Cherneva, A.Yu. Isaev, A.A. Solodchuk
In 2013, simultaneous observations of acoustic and electromagnetic emissions ranging from 200 Hz to 11 kHz were carried out in Kamchatka; as a result, abnormal surges of the emissions were registered 1–2 days before seismic events with magnitudes MLH ≥ 5 at a hypocentral distance up to 200 km. ...
Anomalies of acoustic and electromagnetic fields in a seismically active region
Yu. V. Marapulets, G.I. Druzhin, N.V. Cherneva, A.Yu. Isaev, A.A. Solodchuk
Radiation anomalies in acoustic emission and in electromagnetic field were registered in Kamchatka one
day before earthquakes with the magnitude of MLH>5. Such anomalies were not observed on other days
when there were no seismic events. ...
Joint perturbation of geoacoustic, emanation, and atmospheric electric fields at the boundary of the earth’s crust and the atmosphere before an earthquake
Oleg Rulenko, Yuriy Marapulets, Yuriy Kuzmin, Alexandra Solodchuk
The possibility of joint perturbation of geoacoustic, emanation and atmospheric electric fields by the Earth’s crust — atmosphere boundary before an earthquake is considered. In order to detect it, simultaneous registration of these fields was carried out in Kamchatka in August–October 2012. ...
Statistics of occurrence of pre-seismic anomalies in geoacoustic emission and in atmospheric field
Mikhail Mishchenko
The paper presents the statistics of occurrence of anomalous disturbances in high-frequency geoacoustic emission of near surface sedimentary rocks and in atmospehric electric field by the ground surface before earthquakes. ...
Changes of geoacoustic emission directivity at «Mikizha» site associated with earthquakes in Kamchatka
Yuriy Marapulets, Alexandra Solodchuk, Albert Shcherbina
To investigate high frequency geoacoustic emission, a receiving system based on a compound vector receiver was installed in Kamchatka. It allows the authors to determine the direction of sound wave arrival. ...
Peculiarities of geodeformation measurements of near surface sedimentary rocks
Igor Larionov, Yurii Nepomnyashchiy
The results of investigations of the deformation process in the near surface sedimentary rocks are presented. These investigations have been carried out in a seismically active region of Kamchatka peninsula since 2007. ...
Diurnal variations of temperature as a cause of periodic variations of high-frequency geoacoustic emission
Yu. V. Marapulets, A.A. Solodchuk
Investigated is the periodic component of geoacoustic emission within the frequency band from 2.0 to 6.5 kHz registered by the piezoceramic hydrophone installed near the bottom of Lake Mikizha in the Kamchatka Peninsula. ...
A new approach to study of geoacoustic emission signals
Tristanov A.B., Marapulets Yu.V., Lukovenkova O.O., Kim A.A.
In this work, a model of a geoacoustic emission signal constructed on the basis of methods of sparse approximation is presented and a model identification algorithm is proposed. ...
The reason for synchronous disturbances in the atmospheric electric field and high-frequency geoacoustic emission during the seismotectonic process
O.P. Rulenko, Yu.V. Marapulets, Yu.D. Kuzmin
The atmospheric electric field, the geoacoustic emission at frequencies of 0.7–2. ...
Features of the Earth surface deformations in the Kamchatka peninsula and their relation to geoacoustic emission
I. A. Larionov, Y. V. Marapulets, Shevtsov B.M.
Abstract. The paper presents the results of investigations of deformation processes in the near-surface sedimentary rocks,
which have been carried out in a seismically active region of the Kamchatka peninsula since 2007. ...
Analysis of the Structure of Acoustic Emission Signals of the Audible Range by the Sparse Approximation Method
Marapulets Yu. V., Tristanov A.B., Shevtsov B.M.
A new approach for the time–frequency analysis of acoustic emission of the audible frequency range is proposed. The approach is based on the sparse approximation method. A basis dictionary based on Berlage functions is constructed with allowance for the characteristics of geoacoustic signals. ...
An analysis of the relationships between high-frequency geoacoustic emissions and the electrical field in the atmosphere near the ground surface
Rulenko O.P., Marapulets Yu.V., Mishchenko M.A.
The influence of the lithosphere on the atmosphere near their interface in a seismic region was studied during summer–autumn 2006–2008 in Kamchatka by simultaneous measurements of geoacoustic emissions at frequencies of 2.0–6. ...
Time-Frequency Analysis of Sound Range Acoustic Emission by the Sparse Approximation Method
Marapulets Yu. V., Tristanov A.B., Shevtsov B.M.
The acoustic emission pulses induced by dislocation deformations in a medium propagate through solid bodies as elastic vibrations. The parameters of the acoustic emission are directly connected with the features of ductile deformation processes. ...
Geoacoustic emission response to deformation processes activation during earthquake preparation
Marapulets Yu.V., Shevtsov B.M., Larionov I.A., Mishchenko M.A., Shcherbina A.O., Solodchuk A.A.
The results of geoacoustic emission investigations carried out on the seismoactive Kamchatka Peninsula since 1999 are presented. The experiments are characterized by the application of broadband piezoceramic sound receivers (hydrophones) for recording the emission. ...
Influence of a single lightning discharge on the intensity of an air electric field and acoustic emission of near-surface rocks
Smirnov S.E., Marapulets Yu.V.
The effect was observed as a sharp fall of the electric potential gradient from 80 V m−1 down to –21 V m−1. After that the field returned to its normal level according to the formula of the capacitor discharge with 17 s characteristic time. ...
Simultaneous response of high-frequency geoacoustic emission and atmospheric electric field to strain of near-surface sedimentary rocks
Marapulets Yu. V., Rulenko O. P., Larionov I. A., Mishchenko M. A.
During the period of October 1–18, 2009, 41 km southwest of Petropavlovsk Kamchatsky, in the intersection zone of tectonic faults of various orders, simultaneous recording of the geoacoustic emission, gradient of the atmospheric electric field’s potential, strains of the Earth’s surface, ...
Relationship of high-frequency geoacoustic emission and electric field in the atmosphere in seismotectonic process
Marapulets Yu. V., Rulenko O. P., Mishchenko M.A., Shevtsov B. M.
In July–October 2006 and 2007, combined measurements of geoacoustic emission in the range of 2.0–6.5 kHz, the electric field in the atmosphere near the ground, and meteorological values were carried out in Kamchatka. ...
Directionality of surface high-frequency geoacoustic emission during deformational disturbances
Shevtsov B. M., Marapulets Yu.V., Shcherbina A.O.
Changes in the directionality of surface high frequency geoacoustic emission during periods of deformational disturbances on the diurnal time scale prior to strong seismic events on Kamchatka have been investigated. ...
Analysis of high frequency geoacoustic emissions using a receiving unit based on a vector receiver
Gordienko V.A., Gordienko T.V., Marapulets Yu. V., Sherbina A.O.
The features of the use of a combined receiver that is able to record acoustic pressure and three mutually orthogonal components of its gradient simultaneously in a region of small wave sizes are discussed. ...
Anomaly in high-frequency geoacoustic emission as a close earthquake precursors
Gordienko V.A., Gordienko T.V., Krasnopistsev N.V., Kuptsov A.V., Larionov I.A., Marapulets Yu.V., Shevtsov B.M., Rutenko A.N.
One of the possible earthquake precursor mechanisms, namely, acoustic emission, is discussed.The phenomenon of acoustic emission consists in the emission of acoustic pulses due to the formation of microfaults and cracks that precede fracture of objects, rock collapse in mines, eartquakes, etc. ...
On the relation between high frequency acoustic emissions in near-surface rocks and the electric field in the near-ground atmosphere
Kuptsov A.V., Marapulets Yu.V., Mishchenko M.A., Rulenko O.P., Shevtsov B.M., Shcherbina A.O.
A field instrument package was installed for synchronous measurements of acoustic emission in rocks at frequencies measurements of acoustic emission in rocks at frequencies of 0,1-10,000 Hz and the vertical gradient of electric potential in near-ground air. ...
Deformation and acoustic precursors of earthquakes
Dolgikh G.I., Shvets V.A., Chupin V.A., Yakovenko S.V., Kuptsov A.V., Larionov I.A., Marapulets Yu.V., Shevtsov B.M., Shirokov O.P.
Mechanisms of generation of elastic vibrations in the frequency range 0-10 kHz are investigated using deformation and geoacoustic observations in the near-surface sediments at the final stage of earthquake preparation. ...
Geoacoustic location of eartquake preparation areas
Gordienko V.A., Gordienko T.V., Kuptsov A.V., Larionov I.A., Marapulets Yu.V., Shevtsov B.M., Rutenko A.N.
A combined receiver consisting of three-component vector receiver and the hydrophone, established in the lake Mikizha in Kamchatka, was used for investigations of geoacoustic emission during earthquakes preparation for the first time. ...