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Zakharenkova I.E., Shagimuratov I.I., Lagovsky A.F., Krankovsky A.
Variations of total electron content of the ionosphere during the Kaliningrad earthquake of 21 September, 2004
Abstract. The GPS-derived total electron content (TEC) measurements have been used to detect ionospheric precursors for the unique Baltic Sea (near Kaliningrad, Russia) 21 September 2004 earthquake (M = 4.9). The GPS measurements of more than 100 stations of the EUREF network the TEC maps over Europe have been produced with the 15-minute interval. The specific ionospheric anomaly has been found on the base of the maps near the epicenter a day before the earthquake. The anomaly has been observed as a patch of the increase ionization about 4-5 hours in day time and has spatial size equal to ~ 1000 km. Taking into account the quiet geomagnetic conditions and characteristic parameters of the anomaly it has been associated with ionospheric precursors of the earthquake.
Printed reference: Variations of total electron content of the ionosphere during the Kaliningrad earthquake of 21 September, 2004 / I.E. Zakharenkova, I.I. Shagimuratov, A.F. Lagovsky, A. Krankovsky // Vestnik of MSTU. 2006. V. 9, No 3. P. -.
Electronic reference: Variations of total electron content of the ionosphere during the Kaliningrad earthquake of 21 September, 2004 / I.E. Zakharenkova, I.I. Shagimuratov, A.F. Lagovsky, A. Krankovsky // Vestnik of MSTU. 2006. V. 9, No 3. P. -. URL: http://vestnik.mstu.edu.ru/v09_3_n23/articles/07_zakhar.pdf.
