Product ID: 3200 - English
Published: 24 Nov, 2020
GLIDE: TC20201123COL


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This map illustrates potentially damaged structures and buildings in San Andres Island, Providencia and Santa Catalina department of Colombia as detected by satellite image acquired after landfall of the Tropical Cyclone IOTA on 17 November 2020.
UNITAR-UNOSAT analysis used a WorldView-2 image acquired on 18 November 2020 as a post-event image. Within the Island boundary, UNITAR-UNOSAT identified in the cloud-free zones 220 Potentially damaged structures. Taking into account the pre-building footprints provided by Humanitarian OpenStreetMap, this represents about 6% of the total number of structures within the analyzed cloud-free areas.
Satellite Data (Post) : WorldView-2
Imagery Date : 18 November 2020
Resolution : 50 cm
Copyright : 2020 Digital Globe Source : © Maxar, Inc. / Department of State, Humanitarian Information Unit, NextView License
Satellite Data (Pre) : WorldView-2
Imagery Date : 17 September 2020
Resolution : 50 cm
Copyright : 2020 Digital Globe Source : © Maxar, Inc. / Department of State, Humanitarian Information Unit, NextView License
Administrative boundaries: OCHA ROLAC
Baseline Data : Open Street Map
Background: BING
Analysis: UNITAR - UNOSAT
Production: UNITAR - UNOSAT