Satellite Damage Assessment for Hansapur, Nepal After 2015 Earthquake

Hansapur area in Nepal's Western Region was significantly impacted by the 25 April 2015 earthquake. UNITAR / UNOSAT identified 145 affected structures from satellite imagery acquired on 29 April 2015, classifying 33 as destroyed, 47 severely damaged, and 65 moderately damaged. This is a preliminary analysis produced by the United Nations Satellite Centre (UNOSAT) and has not been field-validated.

Use Cases

• Map building damage severity based on satellite-detected destruction levels
• Prioritize emergency response efforts based on the concentration of affected structures
• Validate remote sensing damage assessment methodologies against ground feedback
• Analyze the spatial distribution of damage relative to the earthquake epicenter

Strengths

• Analysis is based on satellite imagery acquired four days after the earthquake, providing timely post-event data.
• Damage assessment quantifies 145 affected structures with specific counts for destruction levels: 33 destroyed, 47 severely damaged, and 65 moderately damaged.
• Data is produced by a recognized authoritative source, the United Nations Satellite Centre (UNOSAT).

Limitations

• The analysis is preliminary and explicitly noted as not validated in the field, which may affect accuracy.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale modeling.

Provenance

Source

United Nations Satellite Centre (UNOSAT)

Collection Method

Satellite imagery analysis by UNITAR / UNOSAT.

Time Range

Imagery acquired 29 April 2015.

Freshness

Last updated 2026-05-15 09:26:29.777918; freshness should be verified.

Geography

Hansapur area, Western Region, Nepal.