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Bochum 2015 – scientific programme

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P: Fachverband Plasmaphysik

P 6: Poster Session - Diagnostics

P 6.15: Poster

Monday, March 2, 2015, 16:30–18:30, Foyer Audimax

On spatial scales of seismo-ionospheric effectsElena Liperovskaya1, •Claudia-Veronika Meister2, Dieter H.H. Hoffmann2, and Alexandra Silina11Institute of Physics of the Earth of the Russian Academy of Sciences, Moscow, Russia — 2Technische Universität Darmstadt, Darmstadt, Germany

In the present work, disturbances of the fbEs-frequency of the sporadic E-layer of the ionosphere are investigated in connection with earthquakes. The fbEs-frequency is proportional to the square root of the maximum ionisation density of the sporadic E-layer. In this work, it is shown that three days before a seismic shock with magnitude M>5−5.5, an increase of the fbEs-frequency is obtained around midnight at distances from the epicenter R<expM+100 km in the case that the focus of the shock was situated at depths smaller than 60 km. Data obtained by the three ionospheric sounding stations “Kokubunji”, “Akita” and “Yamagawa” are analysed, which were recorded during a total time of 42 years. The superimposed epoches method is applied for some dozenths of earthquakes.

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