On Es-spread effects in the ionosphere connected to earthquakes

  • In the present work, phenomena in the ionosphere are studied, which are connected with earthquakes (16 events) having a depth of less than 50 km and a magnitude M larger than 4. Analysed are night-time Es-spread effects using data of the vertical sounding station Petropavlovsk- Kanchatsky (φ=53.0°, λ=158.7°) from May 2004 until August 2004 registered every 15 minutes. It is found that the maximum distance of the earthquake from the sounding station, where pre-seismic phenomena are yet observable, depends on the magnitude of the earthquake. Further it is shown that 1-2 days before the earthquakes, in the premidnight hours, the appearance of Es-spread increases. The reliability of this increase amounts to 0.95.

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Author details:E. V. Liperovskaya, Claudia-Veronika Meister, M. Parrot, V. V. Bogdanov, N. E. Vasil‘eva
URN:urn:nbn:de:kobv:517-opus-15003
Publication series (Volume number):NLD Preprints (65)
Publication type:Preprint
Language:English
Publication year:2006
Publishing institution:Universität Potsdam
Release date:2007/08/15
Organizational units:Zentrale und wissenschaftliche Einrichtungen / Interdisziplinäres Zentrum für Dynamik komplexer Systeme
DDC classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
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