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P: Fachverband Plasmaphysik

P 26: Poster Session-Plasma Diagnostics

P 26.18: Poster

Donnerstag, 3. März 2016, 16:30–19:00, Empore Lichthof

Anomalous behavior of ionospheric parameters on Kamchatka before and during seismic activities — Vadim V. Bogdanov¹, Alexander V. Kaisin¹, Aleksey V. Pavlov¹, Anastasia L. Polyukhova¹, and •Claudia-Veronika Meister² — ¹Institute of Cosmophysical Research and Radio Wave Propagation FEB RAS, 684034 Paratunka, Mirnaya 7, Russia, vbogd@ikir.ru — ²Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstr. 9, 64289 Darmstadt and Graduate School of Excellence Energy Science and Engineering, Jovanka-Bontschits-Str. 2, 64287 Darmstadt, Germany, c.v.meister@skmail.ikp.physik.tu-darmstadt.de

In the present report, the variations of ionospheric parameters and ionospheric turbulence before and during seismic events are studied applying complex radiophysical methods and using a theoretical probability approach, suggested by the authors. The probability approach allowed to detect the growth of seismic activity in the Kamchatka region in 2013. It is found that characteristic ionospheric features as K-layer (corpuscular layer due to precipitation of particles from the radiation belts) formation, increase of the critical f_oF2-frequency and formation of F-spread as well as E_s-spread occur about one day before some seismic events on February-March (28.02.–02.03.) 2013