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Related papers: Hourly Warning for Strong Earthquakes

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Although earthquake prediction is a big challenge in the world, some simple observational tools can capture many physical signals and demonstrate that an earthquake (EQ) may be forthcoming in short period. Many researchers have studied the…

A promising short term precursor of major earthquakes (EQ) is very crucial in saving people and preventing huge losses. Ez, atmospheric electrostatic field vertical component, under fair air conditions, is generally oriented downwards…

Physical phenomena observed before strong earthquake have been reported over centuries. Radon anomalies, electrical signals, water level changes, earthquake lights near the epicenter are recognized as pre-earthquake signals to approach…

Geophysics · Physics 2020-10-27 Tao Chen , Lei Li , Xiao-Xin Zhang , Qi-Ming Ma , Shuo Ti , Han Wu

Earthquake signals are non-stationary in nature and thus in real-time, it is difficult to identify and classify events based on classical approaches like peak ground displacement, peak ground velocity. Even the popular algorithm of STA/LTA…

Signal Processing · Electrical Eng. & Systems 2021-01-19 Tonumoy Mukherjee , Chandrani Singh , Prabir Kumar Biswas

The Earth's electric field, recorded by two different and distant monitoring sites located in Greece, is analyzed in terms of monochromatic signals (T=24h). The analysis is based on the mapping procedures borrowed from the study of…

Geophysics · Physics 2008-10-02 C. Thanassoulas , V. Klentos , G. Verveniotis

In this work, it is demonstrated that the Earth's preseismic electric field, which is registered by a pair of electrodes in contact to the ground surface at certain distance from the epicentral area, corresponds to the gradient of the total…

Geophysics · Physics 2008-06-03 C. Thanassoulas

The paper represents the VLF/LF electromagnetic radiation as the earthquake's true precursor. It is shown that this parameter is capable of describing the fault formative process in the focal area. Besides, VLF/LF electromagnetic radiation…

Geophysics · Physics 2022-05-16 Manana Kachakhidze , Nino Kachakhidze-Murphy

The electric field of the Earth registered by three monitoring sites (ATH, PYR, HIO) located in Greece, is investigated and analyzed after the occurrence of the Methoni EQ (14th of February, 2008, Ms =6.7R). The period of analysis is…

Geophysics · Physics 2008-02-27 C. Thanassoulas

Recent satellite and ground-based observations proved that in earthquake preparation period in the seismogenic area we have VLF/LF and ULF electromagnetic emissions. According to the opinion of the authors of the present paper this…

Geophysics · Physics 2013-08-19 Manana Kachakhidze , Nino Kachakhidze

This paper brings space weather prediction close to earthquake (EQ) prediction research. The results of this paper support conclusions of previously presented statistical studies that solar activity influences the seismic activity, this…

Geophysics · Physics 2010-12-17 G. Anagnostopoulos , A. Papandreou , P. Antoniou

The normalized raw data of the Earth's electric field, monitored at PYR, ATH, HIO monitoring sites in Greece, are studied as far as it concerns the presence of electric seismic precursors. Electric preseismic pulses, plateau-like anomalous…

Geophysics · Physics 2009-08-31 C. Thanassoulas , V. Klentos , G. Verveniotis , N. Zymaris

The article discusses the possibilities of three-step early warning and short-term prediction of earthquakes based on the classical geological model of fault formation and a model of the generation of electromagnetic emissions detected…

The Andravida EQ, Greece (8/6/2008, Ms=7.0R) seismic parameters: location, time of occurrence and magnitude were determined "a posteriori" in an attempt to verify the predictability of the large EQs. The Earth's electric field, after its…

Geophysics · Physics 2010-07-15 C. Thanassoulas , V. Klentos , G. Verveniotis , N. Zymaris

This paper provides theoretical and practical arguments regarding the possibility of predicting strong and major earthquakes worldwide. Many strong and major earthquakes can be predicted at least two to five months in advance, based on…

Geophysics · Physics 2021-04-20 Oleg Elshin , Andrew A. Tronin

Seismo-ionosphere coupling processes have been investigated considering the GPS observed anomalous ionospheric Total Electron Content (TEC) variations before strong earthquakes as their precursors. The numerical simulations' results of the…

Geophysics · Physics 2012-05-03 M. I. Karpov , O. V. Zolotov , A. A. Namgaladze

The paper describes a theoretical model of the generation of electromagnetic emissions detected prior to the earthquake, a scheme of the earthquake prediction methodology, the possible methods, which are capable of simultaneous…

Geophysics · Physics 2022-04-26 Manana Kachakhidze , Nino Kachakhidze-Murphy

After the submission of the paper, three strong earthquakes with magnitude around 6.0-units occurred on October 17 and October 20, 2005, with epicenters in the Aegean Sea, at a distance {\em only} 100km from MYT station at which the intense…

Geophysics · Physics 2007-05-23 P. A. Varotsos , N. V. Sarlis , E. S. Skordas , H. K. Tanaka , M. S. Lazaridou

The recent large EQ that occurred in Greece (April 1st, 2011, Ms = 6.7R) is investigated as far as it concerns regional geophysical features of the Greek territory. In particular, the EQ location is compared to the deep lithospheric…

Geophysics · Physics 2011-04-08 C. Thanassoulas , V. Klentos , G. Verveniotis , N. Zymaris

The mechanically oscillating, due to tidal forces, lithosperic plate activates, because of its high content in quartzite, the generation of a piezoelectric field. Due to the same mechanical oscillation the lithosphere is generally at a…

Geophysics · Physics 2011-08-17 C. Thanassoulas , V. Klentos , G. Verveniotis , N. Zymaris

The Earth's preseismic oscillating (T = 24h) electric field recorded for a short-time period of some days is analyzed in terms of its intensity vector azimuthal direction calculated at one monitoring site. The calculated azimuthal…

Geophysics · Physics 2008-08-14 C. Thanassoulas , V. Klentos , G. Verveniotis
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