damage analysis summary for the affected cities of osh, jalal …€¦ · sensor data, it is not...
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The depiction and use of boundaries, geographic names and related datashown here are not warranted to be error-free nor do they imply officialendorsement or acceptance by the United Nations. UNOSAT is a program ofthe United Nations Institute for Training and Research (UNITAR), providingsatellite imagery & related geographic information, research and analysis toUN humanitarian & development agencies & their implementing partners.
Contact Information: UNOSAT / UNITAR Palaisdes Nations, Geneva, Switzerland
24/7 Hotline: +41 76 487 4998www.unosat.org E-mail:
ANALYSIS NOTES: Affected buildings were classified as destroyed orseverely damaged by standard image interpretation methods. The figures onbuilding damages likely represent minimum estimates. Actual damages could
be higher, especially for severe and moderate levels of building damages whichare more difficult to identify with a high degree of confidence from the availablesatellite imagery. This is an initial damage assessment and has not yet been
validated on the ground. Please send additions / corrections to UNITAR /UNOSAT at [email protected].
!!4Civil Unrest & Arson!!"
Overview of Building Damages in Osh
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DAMAGE ANALYSIS SUMMARY FOR THE AFFECTED CITIESOF OSH, JALAL-ABAD AND BAZAR-KURGAN, KYRGYZSTAND a m a g e A n a l y s i s B a s e d o n P o s t - C r i s i s S a t e l l i t e I m a g e r y R e c o r d e d o n 1 8 & 2 1 J u n e 2 0 1 0
9 July 2010 15:30 UTC - Version 1.0
CE-2010-000113-KGZ
This is a summary of the quantitativedamage assessments conducted overthe cities of Osh, Jalal-Abad and Bazar-Kurgan, based on a detailed analysis ofpost-crisis satellite imagery acquired on18 and 21 June 2010. A total of 2,843affected buildings were identified withinthese affected cities. Of this total, 2,677buildings were totally destroyed and 166were severely damaged.A preliminary assessment of buildingdamage signatures indicates that arsonwas the probable cause because of theprevalence of destroyed rooftops withvisibly intact load-bearing walls, acommon signature of fire-relateddamages. This conclusion is directlysupported by the satellite detection ofsix active fire zones within the city ofOsh at 6:25 UTC (12:25 local time) on12 and 13 June 2010, and two activefire zones within the city of Bazar-Kurgan at 8:10 UTC (2:10 local time) on13 June 2010. A majority of the affectedbuildings in Osh and Bazar-Kurgan asidentified in the satellite imagery of 18June fall within these multiple active firezones, suggesting that a majority of thebuilding destruction likely occurred as adirect result of the detected afternoonfires on 12 and 13 June 2010. Althoughno active fires were detected in Jalal-Abad, this was likely the result of localcloud cover, and/or the lack of sensorcoverage when the fires were active.Because of this lack of correspondingsensor data, it is not possible to identifythe probable date & time when buildingdamages occurred in Jalal-Abad.
As illustrated in the three overview mapsbelow, a density analysis of the affectedbuilding sites indicated that buildingdamages were highly clustered inmultiple zones of destruction. Withinthese spatial clusters there is apronounced degree of damage typehomogeneity of near total buildingdestruction (90-95%), with sharplydefined boundaries between affectedand unaffected neighborhoods.A significant majority of affectedbuildings are directly accessible frommain primary or secondary roadssuggesting that the suspected arsonattacks were perpetrated by individualsor groups who had specific reasons torestrict their movement to these maintransport routes. Almost all affectedbuildings appear to have beenresidential or situated within residentialneighborhoods, however there are a fewcases of destroyed or severelydamaged industrial warehouses orcommercial / government facilities. Nodamages have been observed to thetransportation network (e.g. roads,bridges) or other key infrastructure siteswithin the city. Although no visibledamages to major telecommunication /utility towers were noted, it was notpossible to confirm reports of damagesto utility lines because of limited satellitesensor resolution. The airports in Oshand Jalal-Abad were unaffected.
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Overview of Building Damages in Jalal-Abad Overview of Building Damages in Bazar-Kurgan
1:55,0001:55,0001:85,000
2,677166
2,843
Damage Analysis Summary Total:Total number of Destroyed Buildings:Total number of Severely Damaged Buildings:
Total number of Affected Buildings:
Satellite Imagery : QuickBird / IKONOSResolution : 0.6m / 1mImagery Dates : 18 / 21 June 2010Pre-crisis Imagery: Worldview-01Resolution: 54cmImagery Dates: 9/11/2009 & 9/7/2006Copyright: DigitalGlobe & GeoEye 2010
Fire Data : MODIS Aqua - TerraFire Processing : U.of Maryland, NASAFire Dates : 9 - 14 June 2010Admin. Data: OCHAAnalysis: UNITAR / UNOSATProjection: UTM Zone 43N, WGS-84
29139
330
D amage A na lys is Summary T o ta l: JA LA L-A B A DTotal number o f Destroyed Buildings:To tal number o f Severely Damaged Buildings:
To tal number o f A ffected Buildings:
40937
446
D amage A na lys is Summary T o ta l: B A Z A R -KUR GA NTotal number o f Destroyed Buildings:To tal number o f Severely Damaged Buildings:
To tal number o f A ffected Buildings:
1,97790
2,067
D amage A na lys is Summary T o ta l: OSHTo tal number o f Destroyed Buildings:To tal number o f Severely Damaged Buildings:
To tal number o f A ffected Buildings: