Great Whale River landslide, Quebec, Canada

Sentinel-2 MSI acquired on 12 April 2021 at 16:28:29 UTC
Sentinel-1 CSAR IW acquired on 21 April 2021 at 22:55:01 UTC
Sentinel-2 MSI acquired on 22 April 2021 at 16:28:29 UTC
Sentinel-1 CSAR IW acquired on 03 May 2021 at 22:55:01 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Geohazard, landslide, river, hydrology, polar, ice, cryosphere, Quebec, Canada, Hudson Bay
Fig. 1 - S1 (21.04.2021) - On 22 April 2021, a very large landslide has happened Nunavik, Northern Quebec.
3D view
Fig. 2 - S1 (03.05.2021) - It occurred on the Great Whale River, upstream from the villages of Kuujjuaraapik & Whapmagoostui.
3D view
Fig. 3 - S2 (12.04.2021) - From the crown to the channel it is about 1.6 km, and from the crown to the toe it is about 4 km.
3D view
Fig. 4 - S2 (22.04.2021) - The volume of the landslide on the Great Whale River is likely to be in the millions of cubic metres.
3D view
Fig. 5 - S1 (24.04.2021; 03.05.2021) - View of the change in radar images, the origin of the landslide is in bright green.
3D 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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