Relatively small earthquakes of Javakheti Highland as the precursors of large earthquakes occuring in the Caucasus

Kachakhidze, Manana; Kachakhidze, N. K.; Kiladze, R. I.; Kukhianidze, V.; Рамишвили, Г.

doi:10.5194/nhess-3-165-2003

Cited by 8 publications

(7 citation statements)

References 8 publications

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“…In such case the length of wire may significantly exceed linear sizes of polarization area because in case of horizontal trailing positive polarized wire may be tied with any length wire with opposite sign. Such typology of contour schematic coincide with the fact that atmospheric electric precursors of earthquakes often appear plenty far away from epicenter (Kachakhidze et al, 2003;Dunajecka et al, 2005;Pulinets et al, 2006;Liperovsky et al, 2008).…”

Section: IIImentioning

confidence: 72%

“…In case of horizontal circuit, positively polarized conductor may be coupled with opposite sign conductor having any length. Such topology of the circuit is quite handy if we take into consideration at electromagnetic precursors of earthquakes often manifest themselves quite far from the epicenter of main shock (Tramutoli et al, 2001;Kachakhidze et al, 2003;Dunajecka et al, 2005;Tramutoli et al, 2005;Pulinets et al, 2006;Pulinets et al, 2007;Liperovsky et al, 2008).…”

Section: Theoretical Basis Of the Modelmentioning

confidence: 99%

See 1 more Smart Citation

The model of own seismoelectromagnetic oscillations of LAI system

Kachakhidze¹,

Kereselidze²,

Kachakhidze³

2010

Preprint

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Very low frequency (VLF) electromagnetic radiation (in diapason 1 kHz – 1 MHz) in atmosphere, generated during earthquake preparation period, may be connected with linear size, characterizing incoming earthquake source. In order to argue this hypothesis very simple quasi-electrostatic model is used: local VLF radiation may be the manifestation of own electromagnetic oscillations of concrete seismoactive segments of lithosphere-atmosphere system. This model explains qualitatively well-known precursor effects of earthquakes. At the same time, it will be principally possible to forecast expected earthquake with certain precision if we use this model after diagnosing existed data. <br><br> As physical basis of working hypothesis is atmospheric effect of polarization charges occurred in surface layer of the Earth, it is possible to test the below constructed model in medium, where reasons of polarization charge generation may be different from piezoelectric mechanism, for example, due to electrolytic hydration

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Section: IIImentioning

confidence: 72%

Section: Theoretical Basis Of the Modelmentioning

confidence: 99%

The model of own seismoelectromagnetic oscillations of LAI system

Kachakhidze¹,

Kereselidze²,

Kachakhidze³

2010

Preprint

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“…Geophysical fields related with earthquake preparation and occurrence can be conditionally divided into earthquake triggering factors [15] [16], earthquake indicators [17] [18] and earthquake precursors [19].…”

Section: Introductionmentioning

confidence: 99%

Large Earthquake Prediction Methods

Kachakhidze¹,

Kachakhidze-Murphy²,

Khvitia³

et al. 2019

OJER

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At the present time rather diverse and interesting papers are published on the basis of ground-based and satellite data of earth VLF/LF and ULF electromagnetic (EM) emissions observed during earthquake preparation period. These phenomena are detectable both at laboratory and geological scale. Today in some seismic active countries of the world the network for collecting VLF/LF electromagnetic emissions generated during the process of the earthquake preparation has been organized. Permanent monitoring of frequency spectrum of earth VLF/LF electromagnetic emissions might turn out very useful with the view of prediction of large M ≥ 5 inland earthquakes. To prove the prediction capabilities of earth electromagnetic emissions authors have used avalanche-like unstable model of fault formation and an analogous model of electromagnetic contour, synthesis of which, is rather harmonious. According to the opinion of the authors EM emissions observed during earthquake preparation period are more universal and reliable than other earthquake indicators. In the presented paper, the possible methods of the large earthquake prediction are offered on the base of the European Network of Electromagnetic Radiation (INFREP) data existent before Crete earthquake with M = 5.6 (25/05/2016, 08:36:13 UTC) earthquake. Offered methods are capable of simultaneous determination of all three parameters necessary for incoming M ≥ 5 inland large earthquake prediction (magnitude, epicenter and time of occurring) with certain accuracy.

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“…In such a case, the length of the wire may significantly exceed the linear sizes of the polarization area because in case of horizontal locking the positively polarized wire may tie to a wire with any length and the opposite sign. Such a contour typology schematically coincides with the fact that the atmospheric electric precursors of earthquakes often appear quite far away from epicentres (Kachakhidze et al, 2003;Dunajecka et al, 2005;Pulinets et al, 2006;Liperovsky et al, 2008).…”

Section: Estimation Of the Fault Length In The Focus And The Intensitmentioning

confidence: 99%

“…In case of a horizontal circuit the positively polarized conductor may be coupled with the opposite sign conductor having any length. Such topology of the circuit is quite handy if we take into consideration that electromagnetic precursors of earthquakes often appear quite far from the epicentres of main shocks (Tramutoli et al, 2001(Tramutoli et al, , 2005Kachakhidze et al, 2003;Dunajecka et al, 2005;Pulinets et al, 2006Pulinets et al, , 2007Liperovsky et al, 2008).…”

Section: Theoretical Basis Of the Modelmentioning

confidence: 99%

The model of self-generated seismo-electromagnetic oscillations of the LAI system

2011

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Abstract. Very low frequency (VLF) electromagnetic radiation (in diapason 1 kHz-1 MHz) in the atmosphere, generated during an earthquake preparation period, may be connected with the linear size characterising the expected earthquake focus. In order to argue this hypothesis, a very simple quasi-electrostatic model is used: the local VLF radiation may represent the self-generated (own) electromagnetic oscillations of interactive seismoactive segments of the lithosphere-atmosphere system. This model qualitatively explains the well-known precursor effects of earthquakes. In addition, using this model after diagnosing existing data makes it principally possible to forecast an expected earthquake with certain precision.As a physical basis of the working hypothesis is the atmospheric effect of polarization charges occurring in the surface layer of the Earth, it is possible to test the following constructed model in the Earth's crust, where the reason for polarization charge generation may be different from piezoelectric mechanism, e.g., some other mechanism.

show abstract

Relatively small earthquakes of Javakheti Highland as the precursors of large earthquakes occuring in the Caucasus

Cited by 8 publications

References 8 publications

The model of own seismoelectromagnetic oscillations of LAI system

The model of own seismoelectromagnetic oscillations of LAI system

Large Earthquake Prediction Methods

The model of self-generated seismo-electromagnetic oscillations of the LAI system

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