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COLOMBIACity of Mocoa / Municipality of Mocoa / Department of PutumayoImagery analysis:10 April 2017 | Published 13 April 2017 | Version 1.0

Landslide

LS20170403COL

This map illustrates areas potentially affectedby the mudflow, extracted from a Pleiadesand GeoEye-1 satellite images acquired onthe 10 April 2017 over Mocoa city and itsoutskirts, in Putumayo Department, Colombia.Inside some neighbourhoods of the city ofMocoa, flood waters and mudflow havereceded compared with previous analysisperformed by UNOSAT using an image from 4April 2017. The situation as of 10 April 2017reveals: 22 km of roads seem potentiallyaffected and about 1,300 buildings are withinareas which are still experiencing floods andmud flow. It is likely that flood waters andmudflow could have been systematicallyunder or overestimated along highlyvegetated areas and within built-up urbanareas. This analysis has not yet beenvalidated in the field. Please send groundfeedback to UNITAR-UNOSAT.

Barrio los Pinos

Barrio la Esmeralda

Barrio San Miguel

Barrio olimpico

Barrio la Pena

Barrio Huasipanga

Barrio Miraflores

Barrio el Carmen

Barrio Jos e Homero

Barrio San Augustin

Barrio Laureles

Barrio NN1

Barrio Obrero I Etapa

Barrio Bolivar

Barrio Obrero II Etapa

Barrio en vereda Villa Nueva

Barrio la Is la

Barrio Modelo

Barrio El DoradoBarrio Ciudad Jardin

Barrio El progres o

Barrio la Independencia

Barrio Urb 1 de Enero

Barrio17 de Julio

Barrio los Alamos

Barrio Los Chiparos

Barrio los Prados

Barrio Urb Palermo

Barrio Naranjito

Barrio San Fernando

Barrio Floresta

Barrio Urb Caimaron

Barrio Urb Villa Colombia

Barrio las Acacias Barrio Pablo VI

Barrio Villa Rosal

Barrio Rumipamba

Barrio Urb Ciudad SolarBarrio Quinta Paredes

Barrio Condominio Norte

Barrio villa del Norte

Río Mocoa

Río Mulato

Río Sangoyaco

Mocoa

Villa Nueva

76°38'30"W

76°38'30"W

76°38'45"W

76°38'45"W

76°39'0"W

76°39'0"W

76°39'15"W

76°39'15"W

76°39'30"W

76°39'30"W

76°39'45"W

76°39'45"W

76°40'0"W

76°40'0"W

1°10'4

5"N

1°10'4

5"N

1°10'3

0"N

1°10'3

0"N

1°10'1

5"N

1°10'1

5"N

1°10'0

"N

1°10'0

"N

1°9'45

"N

1°9'45

"N

1°9'30

"N

1°9'30

"N

1°9'15

"N

1°9'15

"N

1°9'0"

N

1°9'0"

N

1°8'45

"N

1°8'45

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1°8'30

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1°8'30

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1°8'15

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1°8'15

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The depiction and use of boundaries, geographic names and related data shown here arenot warranted to be error-free nor do they imply official endorsement or acceptance by theUnited Nations. UNOSAT is a program of the United Nations Institute for Training andResearch (UNITAR), providing satellite imagery and related geographic information,research and analysis to UN humanitarian & development agencies & their implementingpartners. This work by UNITAR-UNOSAT is licensed under a CC BY-NC 3.0.

UNITAR - UNOSAT - Palais des Nations CH-1211 Geneva 10, Switzerland - T: +41 22 767 4020 (UNOSAT Operations) - Hotline 24/7 : +41 75 411 4998 - unosat@unitar.org - www.unitar.org/unosat

Potentially Affected Zones by theMudflow in Mocoa, Colombia(Situation as of 10 April 2017)

Satellite Data (1): PleiadesImagery Date: 10 April 2017Resolution: 50 cmCopyrights: CNES (2017), Distribution AIRBUS DSSource: Airbus Defence and SpaceSatellite Data (2): GeoEye-1Imagery Date: 10 April 2017Resolution: 50 cmCopyrights: DigitalGlobe, Inc.

Source: USGS - HDDSSatellite Data (3): WorldView-2Imagery Date: 21 December 2016Resolution: 50 cmCopyrights: DigitalGlobe, Inc.Source: USGS - HDDSBuildings footprint: OpenStreetMap & HumanitarianMapping Unit (13 April 2017)

Roads: OpenStreetMap & Humanitarian Mapping Unit(13 April 2017)Neighborhoods: Secondary data from the ground (7 April2017)Rivers: Official data from the Colombian GovernmentOther data: USGS, UNCS, NASA, NGAAnalysis: UNITAR - UNOSATProduction: UNITAR - UNOSAT

Analysis conducted with ArcGIS v10.4.1

Coordinate System: WGS 1984 UTM Zone 18NProjection: Transverse Mercator

Datum: WGS 1984Units: Meter

!IMap Scale for A3: 1:15,000

Æ4

Map Location

Legend

Potentially affected road

City / TownPotentially affected primary roadPotentially affected secondary roadPotentially affected local roadPrimary roadSecondary roadLocal roadRiverBuilding footprintPotentially affected buildingMocoa riverSatellite detected mud and water extent (10 April 2017)

10 April 2017 21 December 2016

See inset for close-up view ofan affected area

Mudflow

Potentially affected roads 21.992 kmPrimary roads 0.560 kmSecondary roads 0.163 kmLocal roads 21.268 kmPotentially affected buildings 1,304