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Namgaladze A.A., Zolotov O.V., Zakharenkova I.E., Shagimuratov I.I., Martynenko O.V.

Ionospheric total electron content variations observed before earthquakes: Possible physical mechanism and modeling

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Abstract. Some experiments have been carried out by phase association and infrasonic sources location using the Apatity infrasound array and Finnish-Swedish acoustic network. Several events from the area of Plesetsk spaceport have been detected and located. The analysis of variation of backazimuth estimations has been done basing on signals from repeating military explosion in Northern Finland. Estimations of the location accuracy for the explosions have been obtained. It has been confirmed that cause-effect relation exists between facts of presence or absence of infrasonic wave first arrivals and weather conditions.

Keywords: ionospheric earthquake precursors, epicenter, seismogenic electric field, total electron content

Printed reference: Ionospheric total electron content variations observed before earthquakes: Possible physical mechanism and modeling / A.A. Namgaladze, O.V. Zolotov, I.E. Zakharenkova, I.I. Shagimuratov, O.V. Martynenko // Vestnik of MSTU. 2009. V. 12, No 2. P. -.

Electronic reference: Ionospheric total electron content variations observed before earthquakes: Possible physical mechanism and modeling / A.A. Namgaladze, O.V. Zolotov, I.E. Zakharenkova, I.I. Shagimuratov, O.V. Martynenko // Vestnik of MSTU. 2009. V. 12, No 2. P. -. URL: http://vestnik.mstu.edu.ru/v12_2_n35/articles/22_namgal.pdf.

(In English, p.8, fig. 6, ref 29, Adobe PDF)