La Palma volcano lava flow

Officially published by ESA on October 1st, the raw image (2021-09-30) is already available at Google-Earth-Engine, where you can manipulate with a simple code  filters and thresholds for edge detection. In this demo we used a true color background shifted to reds, and a Normalized-Difference (B4 red, B11 SWIR 1) index for the lava flow.

Check the code here.


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