Indonesia Earthquake Sep 30 2025: Impact Analysis for 516,938 People

Geospatial data from the WFP Automated Disaster Analysis and Mapping (ADAM) system details a magnitude 6.0 earthquake near Gayam, Indonesia on September 30, 2025. The dataset includes the epicenter coordinates, depth, and estimates that 516,938 people were impacted within a 50km radius. It was last updated on May 21, 2026.

Use Cases

• Map population exposure to seismic hazards based on the provided impact radius of 50km.
• Model ground shaking intensity for infrastructure risk assessment based on the earthquake's magnitude and depth.
• Coordinate emergency logistics and response efforts using the precise latitude and longitude of the epicenter.
• Integrate with socio-economic datasets for vulnerability analysis, as suggested by the ADAM system's purpose.

Strengths

• Includes specific impact metrics, such as 516,938 people affected within 50km.
• Provides precise geolocation data with latitude -7.2395 and longitude 114.1695.
• Originates from an operational humanitarian analysis system (WFP ADAM).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic and temporal bias inherent to a single event response.

Provenance

Source

WFP Automated Disaster Analysis & Mapping (ADAM)

Collection Method

Automated collection, analysis, and mapping of geospatial and socio-economic information following sudden onset emergencies.

Time Range

Event date: September 30, 2025

Freshness

Last updated 2026-05-21 22:09:52.783646; freshness should be verified.

Geography

Epicenter 19km SW of Gayam, Indonesia (Lat: -7.2395, Lon: 114.1695)