Risk of failure of Hidroituango dam, Colombia

Sentinel-2 MSI acquired on 07 April 2018 at 15:36:19 UTC
Sentinel-2 MSI acquired on 07 May 2018 at 15:36:19 UTC
Sentinel-2 MSI acquired on 12 May 2018 at 15:36:21 UTC
Sentinel-2 MSI acquired on 22 May 2018 at 15:36:21 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Hydrology, river, lake, hydropower, dam, infrastructure, flooding, emergency, renewable energy, Colombia
Fig. 1 - S2 (07.04.2018) - 4,3,2 natural colour - Once completed, the 225m high dam should produce 2400MW for a cost of 3.5 G€ - 2D view
Insufficient water discharge endangers the dam. Cheap design has been pointed out. Before that the public tender had been contested as unfair.
Fig. 2 - 07.05.2018 - In early April sealed the last diversion tunnel collapsed, flooding the upstream valley. - 2D animation 2D view
Fig. 3 - 22.05.2018 - The 12.05.2018, uncontrolled unclogging caused downstream flood & eroded the dam wall's drain layer - 2D animation 2D view
Fig. 4 - 22.05.2018 - Locals of P. Valdidia, where houses & bridges have been destroyed, are among the 25000 evacuees - 2D animation 2D view
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 2024, processed by VisioTerra.
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