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VLF/LF signal studies of the ionospheric response to strong seismic activity in the Far Eastern region combining the DEMETER and ground-based observations |
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| Institution: | 1. Department of Geophysics, Applied Geophysics Laboratory - FSTGAT, University of Science and Technology Houari Boumediene (USTHB), BP 32 El Alia, 16111 Algiers, Algeria;2. Department of Geology, Geophysics & Reservoir, Algerian Institute of Petroleum (IAP), Boumerdes 35000, Algeria |
| Abstract: | The paper presents the results of a joint analysis of ground-based and satellite observations of very low-frequency and low-frequency (VLF/LF) signals during periods of strong seismic activity in the region of Kuril Islands and Japan in 2004–2010. Ground and satellite data was processed using a method based on the difference between the real signal in nighttime and that of a model. The results of the analysis show a good correlation between ground-based and satellite data for several cases of strong (M ? 6.8) earthquakes. |
| Keywords: | Electromagnetic signals The ionosphere Satellite observations Earthquake precursors |
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