Fig. 13From: Simulation study of atmosphere–ionosphere variations driven by the eruption of Hunga Tonga-Hunga Ha’apai on 15 January 2022Time variations in TEC variation at 175° W. TEC variations between 4 and 8 UT and between latitudes of 50° S and 10° N are shown. Dashed lines are estimated propagation speedsBack to article page