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Global Diagnostics of the Ionospheric Perturbations Related to the Seismic Activity Using the Vlf Radio Signals Collected on the Demeter Satellite : Volume 6, Issue 5 (23/08/2006)

By Molchanov, O.

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Book Id: WPLBN0003988658
Format Type: PDF Article :
File Size: Pages 9
Reproduction Date: 2015

Title: Global Diagnostics of the Ionospheric Perturbations Related to the Seismic Activity Using the Vlf Radio Signals Collected on the Demeter Satellite : Volume 6, Issue 5 (23/08/2006)  
Author: Molchanov, O.
Volume: Vol. 6, Issue 5
Language: English
Subject: Science, Natural, Hazards
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Solovieva, M., Rozhnoi, A., Parrot, M., Berthelier, J. J., Lefeuvre, F., Molchanov, O.,...Biagi, P. F. (2006). Global Diagnostics of the Ionospheric Perturbations Related to the Seismic Activity Using the Vlf Radio Signals Collected on the Demeter Satellite : Volume 6, Issue 5 (23/08/2006). Retrieved from

Description: Institute of the Earth Physics, RAS, Moscow, Russia. The analysis of the VLF signals radiated by ground transmitters and received on board of the French DEMETER satellite, reveals a drop of the signals (scattering spot) connected with the occurrence of large earthquakes. The extension of the scattering spots zone is large enough (1000–5000 km) and, probably, it increases with the magnitude of the relative earthquake. A possible model to explain the phenomenology, based on the acoustic gravity waves and the ionosphere turbulence, is proposed. The method of diagnostics applied to this study has the advantage to be a global one due to the world wide location of the powerful VLF transmitters and of the satellite reception. However, a specific disadvantage exists because the method requires rather a long time period of analysis due to the large longitudinal displacements among the successive satellite orbits. At the moment, at least, one month seems to be necessary.

Global diagnostics of the ionospheric perturbations related to the seismic activity using the VLF radio signals collected on the DEMETER satellite

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