Journal ArticleDOI
Current status of seismo-electromagnetics for short-term earthquake prediction
Masashi Hayakawa,Yasuhide Hobara +1 more
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In this paper, short-term (timescale of hours, days and weeks) earthquake (EQ) prediction is of essential importance to mitigate EQ disasters, which is based on seismic measurement.Abstract:
Short-term (timescale of hours, days and weeks) earthquake (EQ) prediction is of essential importance to mitigate EQ disasters. Short-term EQ prediction has so far been based on seismic measurement...read more
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A Survey of Internet of Things (IoT) for Geohazard Prevention: Applications, Technologies, and Challenges
TL;DR: The applications of the IoT in the monitoring and early warning of seven types of common geohazards, including landslides, debris flow, rockfall, surface subsidence, surface collapse, surface cracks, and earthquakes, are surveyed and the challenges are summarized.
Journal ArticleDOI
Statistical mechanics and information-theoretic perspectives on complexity in the earth system
Georgios Balasis,Reik V. Donner,Reik V. Donner,Stelios M. Potirakis,Jakob Runge,Jakob Runge,Constantinos Papadimitriou,Constantinos Papadimitriou,Ioannis A. Daglis,Ioannis A. Daglis,Konstantinos Eftaxias,Juergen Kurths +11 more
TL;DR: This review provides a summary of methods originated in (non-equilibrium) statistical mechanics and information theory, which have recently found successful applications to quantitatively studying complexity in various components of the complex system Earth.
Journal ArticleDOI
Generation of Seismic-Related DC Electric Fields and Lithosphere-Atmosphere-Ionosphere Coupling
Valery Sorokin,Masashi Hayakawa +1 more
TL;DR: In this paper, the influence of earthquake preparation processes on the ionosphere through the electric field and electric current occurring in the global atmosphere-ionosphere electric circuit is considered based on the satellite and ground-based experimental data of electric fields, plasma and electromagnetic perturbations obtained for several days before an earthquake.
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Pre-earthquake ionospheric anomalies before three major earthquakes by GPS-TEC and GIM-TEC data during 2015–2017
TL;DR: In this article, the authors presented different time interval of pre-seismic ionospheric anomalies, however, this study showed that EQs ionosphere precursors may occur within 10 days.
References
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Journal ArticleDOI
Results of subionospheric radio LF monitoring prior to the Tokachi (M=8, Hokkaido, 25 September 2003) earthquake
TL;DR: In this article, the authors present results of simultaneous LF subionospheric monitoring over two different propagation paths prior to the very strong Tokachi earthquake (near the east coast of Hokkaido Island, 25 September 2003) of magnitude 8.3 are presented.
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Fractal analysis for VHF electromagnetic noises and the identification of preseismic signature of an earthquake
TL;DR: In this paper, multi-fractal analysis under the self-organized criticality (SOC) hypothesis is performed for the VHF electromagnetic noises observed before an earthquake in the Tohoku area.
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Characteristics of VHF over-horizon signals possibly related to impending earthquakes and a mechanism of seismo-atmospheric perturbations
TL;DR: In this paper, the authors proposed a generation mechanism of atmospheric perturbation based on the changes in geochemical quantities associated with earthquakes, which can be used to detect the presence of atmospheric disturbances associated with seismic activity.
Journal ArticleDOI
Achievements of NASDA's Earthquake Remote Sensing Frontier Project
TL;DR: Hayakawa et al. as discussed by the authors performed an overal study of seismo-electromagnetic phenomena occurring not only in the lithosphere, but also in the atmosphere and ionosphere.
Journal ArticleDOI
On the statistical correlation of over-horizon VHF signals with meteorological radio ducting and seismicity
TL;DR: In this article, the authors investigated the statistical significance on the correlation of VHF signal characteristics (amplitude and variance) with meteorological radio duct effect and seismicity (earthquakes).
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