Satellite-Detected Damage Assessment for San Julian, Philippines, December 2014
Updated 16d ago
2filesSHP
Available on 1 platform
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Description
UNOSAT identified 279 damaged structures in San Julian Area, Eastern Samar Province, Philippines using satellite imagery. The analysis, dated December 2014, categorizes 66 structures as destroyed, 148 as severely damaged, and 65 as moderately damaged. This is a preliminary, unvalidated assessment provided by the United Nations Satellite Centre.
Use Cases
Prioritize emergency response efforts based on the spatial distribution of destroyed and severely damaged structures.
Assess the scale of a disaster event based on the count and categorization of affected buildings.
Validate or calibrate automated damage detection algorithms using a manually analyzed satellite dataset.
Conduct historical analysis of disaster impacts on infrastructure in the Eastern Samar region.
Strengths
Provides exact counts for three damage categories: 66 destroyed, 148 severely damaged, and 65 moderately damaged.
Sourced from authoritative satellite imagery (WorldView-1 and WorldView-2) analyzed by UNOSAT.
Geospatial data (SHP format) allows for precise mapping and integration with other geographic datasets.
Limitations
Preliminary analysis noted as not yet validated by ground truth, which may affect accuracy.
Column-level documentation is absent; field semantics must be inferred after download.
Data is from a single point in time (December 2014) and may not reflect current conditions.
Provenance
Source
United Nations Satellite Centre (UNOSAT)
Collection Method
Satellite imagery analysis comparing WorldView-2 (12 Dec 2014) and WorldView-1 (12 Jul 2014) images.
Time Range
July to December 2014
Freshness
Last updated 2026-07-06 10:33:01.534668; freshness should be verified.
Geography
San Julian Area, Eastern Samar Province, Philippines
License is listed as 'hdx-other'; specific terms should be reviewed before use.