Torrential rainfall cause deadly landslides near Rio, Brazil

Sentinel-1 CSAR IW acquired on 20 December 2021 at 08:21:53 UTC
Sentinel-2 MSI acquired on 18 January 2022 at 13:02:39 UTC
Sentinel-2 MSI acquired on 17 February 2022 at 13:02:39 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Geohazard, natural disaster, landslide, urban planning, precipitation, climate change, Brazil
Fig. 1 - COP-DEM - Lying 68 km north of Rio de Janeiro, Petropolis is a city with over 1500m height difference from top to bottom.
Fig. 2 - S1 (26.11.2021-20.12.2021) - It is a inhabited by 300 000 people, many live on very strong slopes, up to 55°.
Large swathes of the city are classified as high risk areas. Yet, less than half of the subsidies dedicated to adaptation to climate change have been used.
Fig. 3 - S2 (18.01.2022) - In 1988, 134 people died of landslides. 72 more died in 2011 for the same reason.
Fig. 4 - S2 (17.02.2022) - On 15.02.2022, 260mm rain fell within 3 hours. The 26 resulting landslides killed at least 165 people.