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.
Journal ArticleDOI
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
Generation of ULF electromagnetic emissions by microfracturing
O. A. Molchanov,Masashi Hayakawa +1 more
TL;DR: In this article, microfracturing electrification is discussed as a possible explanation of ULF electromagnetic emissions observed before and after earthquakes, using a space-time simple model of micro-fracture progression, it is possible to compare theoretical results and observed results with special reference to the intensity, spectrum, and temporal development of the magnetic field variations.
Journal ArticleDOI
Short-term earthquake prediction: Current status of seismo-electromagnetics
TL;DR: In this article, the authors review some of the problems of non-seismic precursors in short-term earthquake prediction and highlight the need to reinforce seismometer networks.
Journal ArticleDOI
Fractal analysis of ULF geomagnetic data associated with the Guam Earthquake on August 8, 1993
TL;DR: A fractal analysis of the ULF electromagnetic data obtained at Guam observatory during a strong (Ms=8.0) earthquake occurred on August 8, 1993 near the Guam island is presented in this article.
Journal ArticleDOI
Magnetic and electric fields associated with changes in high pore pressure in fault zones : Application to the Loma Prieta ULF emissions
TL;DR: In this article, the electric and magnetic signals generated during failure of faults containing sealed compartments with pore pressures ranging from hydrostatic to lithostatic levels were determined, and they were comparable in magnitude and frequency to the magnetic signals observed prior to the Loma Prieta earthquake of October 18, 1989, provided fracture lengths are less than 200 m.
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