A Deadly Day on Mount Semeru

Flows of superheated ash and tephra mixed with rain to create destructive rivers of debris on the Indonesian volcano.

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NASA Earth Observatory image by Lauren Dauphin, using modified Copernicus Sentinel data (2021) processed by ESA and analyzed by Earth Observatory of Singapore (EOS) in collaboration with NASA-JPL and Caltech, Landsat data from the U.S. Geological Survey., and data from OpenStreetMap. Story by Adam Voiland.

Published December 11, 2021
Data acquired December 7, 2021

Sources:

Sentinel-1A

Sentinel-1B