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Fig. 4 | Earth, Planets and Space

Fig. 4

From: New aspects of the upper atmospheric disturbances caused by the explosive eruption of the 2022 Hunga Tonga–Hunga Ha’apai volcano

Fig. 4

Comparison of the pressure (blue) and TEC (black) variations obtained by the geostationary satellite J07 on 15 January around the first passage of the Lamb wave. Locations of GNSS stations (red circles), their sub-ionospheric points (pink circles), and barometers near sub-ionospheric points (black triangles) are indicated in a center map with labels ad. SIPs and GNSS stations are tied with red dashed lines. Two TEC peaks are indicated by blue and red arrows, but only the first peak is clear in panels b, c (Heki 2022)

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