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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 34, issue 2
Ann. Geophys., 34, 271–278, 2016
https://doi.org/10.5194/angeo-34-271-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 34, 271–278, 2016
https://doi.org/10.5194/angeo-34-271-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Regular paper 18 Feb 2016

Regular paper | 18 Feb 2016

Interpretation of deformed ionograms induced by vertical ground motion of seismic Rayleigh waves and infrasound in the thermosphere

Takashi Maruyama et al.

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Short summary
A significant anomaly was observed in the ionogram at Kazan, Russia, following the 2010 M8.8 Chile earthquake, which was caused by vertical ground motions of Rayleigh waves and the resulting acoustic waves propagating upward. The anomaly was characterized by steep satellite traces for which the range increased rapidly with frequency. The inclined ionospheric density perturbation caused oblique returns of sounding radio waves in addition to the nearly vertical returns of the main trace.
A significant anomaly was observed in the ionogram at Kazan, Russia, following the 2010 M8.8...
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