NSTA Rockall Government Seismic: Marine Geophysical Survey Map

NSTA's map details government-funded seismic survey lines in the Rockall region, a frontier area for offshore hydrocarbon exploration. The data, available as a PDF and via an ArcGIS REST API, provides a foundational layer for subsurface geological analysis. Its cross-platform presence on UK and EU open data portals indicates its established use in energy and environmental research.

Use Cases

• [Assessing hydrocarbon prospectivity] based on [locations of seismic survey lines]
• [Mapping subsurface geological structures] based on [seismic data coverage in the Rockall region]
• [Planning future marine geophysical surveys] based on [existing government-funded survey tracks]
• [Integrating seismic data with other marine datasets] based on [geospatial format and ArcGIS API]

Strengths

• Sourced from a government organization (Government Digital Service/NSTA), suggesting authoritative collection.
• Available in multiple access formats (PDF and ArcGIS REST API) for different user needs.
• Cross-listed on both UK and EU open data platforms, indicating recognized importance and accessibility.

Limitations

• No column or attribute data is provided, limiting quantitative analysis; the core asset is a visual map.
• Metadata is sparse, with no information on data collection methodology, resolution, or specific survey dates.
• Conflicting 'last updated' dates (2024 and 2026) across sources create uncertainty about data currency.

Provenance

Source

Government Digital Service / North Sea Transition Authority (NSTA)

Freshness

Last updated dates conflict: 2024-01-26 and 2026-06-18.

Geography

Rockall region (North Atlantic Ocean)