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Fig. 4 | Earth, Planets and Space

Fig. 4

From: Advective diffusion of volcanic plume captured by dense GNSS network around Sakurajima volcano: a case study of the vulcanian eruption on July 24, 2012

Fig. 4

Snapshots of the spatial and temporal distributions of post-fit phase residual (PPR) anomalies for the eruptive event at Sakurajima volcano on July 24, 2012, using data from the lapsed times (L.T., measured from the onset time of the eruptive event) shown in the bottom right of each top panel. Each top panel shows a map view of the spatial distribution using each station and satellite pair. Solid colored lines show the slant paths between each GNSS station and satellite pair projected onto a plane. Solid colored lines denote positive and negative PPR anomaly values. The Dashed A–B line shows the location of the vertical cross sections shown in each bottom panel. A small black triangle represents the location of the Minamidake crater. Each bottom panel shows the vertical cross section along line A–B in the top panels. The origin of the horizontal axis adjusts the location of the Minamidake crater shown in the top panels. Dashed circles denote the possible maximum crossing point of anomalous PPR paths in each time step

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