Summary Analyses : Antalaha District, Sava Region, Madagascar (24 March 2017) Rapid Analysis –Antalaha District, Sava Region - Madagascar ANATALAHA DISTRICT IMAGERY USED MAIN FINDINGS Communes (partially) analysed: . Pre Image – February 2012 . Landslides . Antsahanoro (Bing) . Flooded areas . Antananambo . Affected roads . Antombana . Post Image – 22 March 2017 . Affected buildings . Antalaha Ambonivohitra (Worldview-3) . Fallen trees Rapid Analysis – Detected Landslides in the communes of: Antananambo, Antalaha Ambonovohitra, Antombana Situation after the Cyclone Situation before the Cyclone . Example of visible landslides in Antananambo commune. No visible landslides. Landslides were also detected in the communes of Antalaha Ambonovohitra, Antombana over the are analysed. © Digital Globe, Inc © Bing Post Event: WorldView-3 image acquired on 22 March 2017 Pre Event: Image acquired on February 2012 Rapid Analysis – Detected Flooded areas in the communes of: Antananambo, Antalaha Ambonovohitra, Antombana & Antsahanoro Situation after the Cyclone Situation before the Cyclone . Example of visible flooded areas in Antananambo commune. No visible flooded areas. Flooded areas and expansion of river beds were also detected in the communes of Antalaha Ambonovohitra, Antsahanoro, Antombana over the area analysed. © Digital Globe, Inc © Bing Post Event: WorldView-3 image acquired on 22 March 2017 Pre Event: Image acquired on February 2012 Rapid Analysis – Detected Affected Roads in the communes of: Antalaha Ambonovohitra & Antsahanoro Situation after the Cyclone Situation before the Cyclone . Example of visible affected road, parallel road to the river of Ankavanana in . No visible affected roads. Antalaha Ambonovohitra & Antsahanoro communes. Affected roads also visible inside the city of Antalaha. © Digital Globe, Inc © Bing Post Event: WorldView-3 image acquired on 22 March 2017 Pre Event: Image acquired on February 2012 Rapid Analysis – Affected Buildings areas in the communes of: Antalaha Ambonovohitra, Antombana & Antsahanoro Situation after the Cyclone Situation before the Cyclone . Example of visible affected buildings in a village inside Antsahanoro . No visible affected buildings. commune. Affected buildings were also detected in the communes of Antalaha Ambonovohitra, Antombana over the area analysed. © Digital Globe, Inc © Bing Post Event: WorldView-3 image acquired on 22 March 2017 Pre Event: Image acquired on February 2012 Rapid Analysis – Areas of fallen trees in the communes of: Antalaha Ambonovohitra, Antombana, Antsahanoro & Antananambo Situation after the Cyclone Situation before the Cyclone . Example of visible fallen trees in Antsahanoro commune. No visible fallen trees. Fallen trees were also detected in the communes of Antalaha Ambonovohitra, Antombana, & Antananambo over the area analyzed © Digital Globe, Inc © Bing Post Event: WorldView-3 image acquired on 22 March 2017 Pre Event: Image acquired on February 2012 United Nations Institute for Training and Research UNITAR International Environment House Institut des Nations Unies pour la Formation et la Recherche Chemin des Anémones 11-13, Instituto de las Naciones Unidas para Formación Profesional e Investigaciones CH-1219 Châtelaine, Учебньıй и научно-исследовательский институт Geneva - Switzerland Организации Объединенньıх Наций T +41 22 917 8400 F +41 22 917 8047 معهد اﻷمم المتحدة للتدريب والبحث 联合国训练研究所 www.unitar.org This presentation should not be copied or disseminated in any manner without the express permission of UNOSAT. .