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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

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. 2

Vertical component v Z of the velocity of ground surface movement (blue) and observed Doppler shift (red) in Taiwan and the Czech Republic (for f 0 = 4.65 MHz) as functions of time; time = 0 corresponds to the time of the earthquake (06:11:26 UT). The v Z values are normalized by their maxima to the same maximum values. The distance from the epicenter is shown on the vertical, y, axis. The blue dashed line joins the beginning with maxima of RMS values of v Z fluctuations

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