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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Ionospheric signatures of the April 25, 2015 Nepal earthquake and the relative role of compression and advection for Doppler sounding of infrasound in the ionosphere

Fig. 3

Spectrograms of the vertical velocity v Z of the ground surface movement in Taiwan (a) and in the Czech Republic (b) and spectrograms of the observed Doppler shift in Taiwan (c) and in the Czech Republic (d) for the time series displayed in Fig. 2. Time = 0 corresponds to the time of the earthquake. Color scales are logarithmic. Note the different color scale for the plots a and b

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