Damaged Structures in Calbayog City, Philippines from 2014 Satellite Analysis

Calbayog City on Samar Island, Philippines, had 526 structures identified as damaged via satellite imagery comparison. The United Nations Satellite Centre (UNOSAT) conducted this preliminary analysis by comparing a satellite image from December 9, 2014, with one from May 27, 2014. The analysis categorized 88 structures as destroyed, 180 as severely damaged, and 258 as moderately damaged.

Use Cases

• Damage severity mapping based on the three-tier classification (destroyed, severe, moderate)
• Disaster impact assessment for Calbayog City based on the identified 526 damaged structures
• Validation of remote sensing analysis with ground truth data, as suggested by the request for feedback

Strengths

• Provides specific damage counts: 526 total, with 88 destroyed, 180 severely damaged, and 258 moderately damaged
• Analysis is based on a direct comparison of two satellite images from specific dates (May 27 and December 9, 2014)
• Data is produced by an authoritative source, the United Nations Satellite Centre (UNOSAT)

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download
• The analysis is preliminary and explicitly noted as not validated in the field
• Column-level documentation is absent; field semantics must be inferred after download

Provenance

Source

United Nations Satellite Centre (UNOSAT)

Collection Method

Satellite imagery analysis comparing images from May 27, 2014, and December 9, 2014.

Time Range

2014

Freshness

Last updated 2026-04-05 09:07:02.536167; freshness should be verified

Geography

Calbayog City, Samar Island, Philippines