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Software for Interactive and Automated Seismic and Infrasonic Data Processing
AbstractThe article provides an overview of software products developed at the Kola Branch of the Geophysical Survey of the Russian Academy of...
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Detecting Infrasonic Signals from Impulsive Sources on the Basis of Their Wavelet Spectrum Forms
The detecting of infrasonic signals from impulsive sources based on the mathematical model of their wavelet spectrum forms characteristic of signals...
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Natural and Anthropogenic Sources of Seismic, Hydroacoustic, and Infrasonic Waves: Waveforms and Spectral Characteristics (and Their Applicability for Sensor Calibration)
The record of seismic, hydroacoustic, and infrasonic waves is essential to detect, identify, and localize sources of both natural and anthropogenic...
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Simulation of the time feature of infrasonic signals during the rupture process of an earthquake
Abnormal infrasonic signals can be observed within a few days before a strong earthquake. Infrasound conveys information about the size and growth of...
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Nonlinear Burgers Type Equation for Acoustic Waves in the Ray Approximation in a Moving Atmosphere (Theory, Experiment)
The derivation of a nonlinear Burgers-type equation for acoustic waves within the ray approximation for an inhomogeneous moving dissipative...
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Algorithms for the Detection, Location, and Discrimination of Seismic and Infrasound Events
AbstractIn this paper we overview methods and algorithms for detecting seismic and infrasonic events, recognizing their types and location of their...
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Infrasonic Long-Range Observations at IS42: Study Cases of Grimsvötn (Iceland), Mt. Etna and Stromboli Volcanoes (Italy)
The collaborative research UNIFI–University of the Azores (IVAR) focused on the detection and characterization of events injecting energy into the...
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Identification of infrasonic and seismic components of tremors in single-station records: application to the 2013 and 2018 events at Ioto Island, Japan
Infrasonic stations are sparse at many volcanoes, especially those on remote islands and those with less frequent eruptions. When only a single...
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The Response of a Plasma Magnetospheric Maser to Atmospheric Perturbations
AbstractThe effect of weak external influences associated with infrasonic waves in the ionosphere on the operation of a plasma magnetospheric maser...
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The influence of volcano topographic changes on infrasound amplitude: lava fountains at Mt. Etna in 2021
Infrasound signals are used to investigate and monitor active volcanoes during eruptive and degassing activity. Infrasound amplitude information has...
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The 2022 Hunga Tonga-Hunga Ha’apai Volcano Air-Wave Generated Tsunami
The tsunami that occurred after the Hunga Tonga-Hunga Ha’apai volcano eruption on 15 January 2022 was unusually fast and large, particularly at large...
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Remote hydroacoustic-infrasonic detection and characterization of Anak Krakatau eruptive activity leading to, during, and following the December 2018 flank collapse and tsunami
A climactic eruption phase on December 22, 2018, triggered the collapse of the southwest flank and summit of Anak Krakatau stratovolcano, generating...
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A simple method to evaluate the air-to-ground coupling efficiency: a tool hel** the assessment of seismic/infrasonic energy partitioning during an eruption
A volcanic eruption transmits both seismic and infrasound signals. The seismo-acoustic power ratio is widely used to investigate the eruption...
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The use of a low-cost, small-aperture array as an auxiliary tool to improve infrasound monitoring in the Azores region
The 2022’s seismo-volcanic crisis on São Jorge Island of the Azores archipelago has provided an opportunity to deploy a portable infrasound array as...
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Magnetic Effects of the Double Earthquake of March 16, 2022 (Japan): Observation Results
AbstractThe magnetic effects of strong earthquakes are considered using the example of a unique event: two underwater earthquakes of magnitude 6.0...
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Wind Effects in the Thermosphere during the Propagation of Atmospheric Waves Generated by a Tropospheric Heat Source
AbstractThe results of a numerical study of the processes of propagation into the thermosphere of internal gravity waves excited by heat sources in...
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The Series of Catastrophic Earthquakes of February 6, 2023, in Turkey and Variations in the Geophysical Fields
AbstractAn analysis of variations in the microbaric background and the terrestrial magnetic and electric fields in the surface layer of the...
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Controls on the frequency content of near-source infrasound at open-vent volcanoes: a case study from Volcán Villarrica, Chile
Infrasound signals from open-vent volcanoes can contain information related to that volcano’s eruption dynamics and future activity. Studying a...
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Studying Specific Features of the Propagation of Atmospheric Waves Generated by Tropospheric Sources and Variations in the Surface Pressure
AbstractThe generation and propagation of waves from model tropospheric meteorologic heat sources are theoretically studied. The processes of gas...
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Mobile Infrasound Avalanche Monitoring System: General Design Principle and Application of Results
AbstractIn the winter months of 2018–2020, the Kola Branch of the Federal Research Center Geophysical Survey of the Russian Academy of Sciences (FRC...
