Post-wildfire mudslides hits Montecito, California

Sentinel-2 MSI acquired on 17 January 2017 at 18:47:11 UTC
Sentinel-2 MSI acquired on 28 December 2017 at 18:47:49 UTC
Sentinel-3 OLCI FR acquired on 10 January 2018 at 18:29:35 UTC
Sentinel-2 MSI acquired on 12 January 2018 at 18:47:31 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): land, emergency, natural disaster, water colour, urban planning, vegetation, erosion, wildfire, flash flood, USA
Fig. 1 - S3 OLCI (10.01.2018) - 7,6,4 colour composite - Large quantity of alluvium in water after heavy rainfalls triggered mudslides.
2D view
Fig. 2 - S2 (12.01.2018) - NDI(8,4) with colour map - NDVI shows a huge burn scar compared to last year.
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One month ago, record-breaking Thomas wildfire had burnt most vegetation in the area, leaving soils weakened against erosion & runoff.
Fig. 3 - S2 (17.01.2017, 28.12.2017 & 12.01.2018) - Vegetation was reduced to ashes, then washed away by rainfalls.
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Fig. 4 - S2 (12.01.2018) - 12,8,2 colour composite - Flood water & eroded matter then turned into devastating mud flows.
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The views expressed herein can in no way be taken to reflect the official opinion of the European Space Agency or the European Union.
Contains modified Copernicus Sentinel data 2025, processed by VisioTerra.
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