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Fig. 4 | Landslides

Fig. 4

From: Liquefied gravity flow-induced tsunami: first evidence and comparison from the 2018 Indonesia Sulawesi earthquake and tsunami disasters

Fig. 4

a Bathymetry of Palu Bay (Badan Informasi Geospasial 2018a) and the locations of major coastal retreat (A–F). b Comparisons of satellite images before and after the earthquake (A, Sep. 27: CNES/Airbus 2018; A, Oct. 1 and B–F: Digital Globe Open data Program 2018). Significant coastal retreat areas are indicated by white arrows (No. 1–9). c Aerial photos of multiple tsunami occurrence at the areas E and F, taken just after the earthquake by Mafella (2018). Interpreted sketches are shown aside. The black arrows indicate tsunami fronts and the arrows with numbers 7–9 match those with the same numbers in the satellite images of areas E and F in b. White caps of breaking waves are shown on the land side of the tsunami fronts

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