Proof of concept. This is an unofficial demo built by Datopian from the North Sea Transition Authority's public data. The official portal is NSTA Open Data. Questions or feedback: hello@datopian.com

North Sea Transition Authority

UKCS government seismic MNSH legacy reprocessed 2015

Location of government-released reprocessed legacy surveys

Records
32
Formats
5
Last updated
27 Jan 2026
Download CSVView on ArcGIS Hub

Download & API

UKCS government seismic MNSH legacy reprocessed 2015 (CSV)csv
Spreadsheet — attributes, with coordinates for point layers
Download
UKCS government seismic MNSH legacy reprocessed 2015 (GeoJSON)geojson
GeoJSON — for web maps and GIS tools
Download
UKCS government seismic MNSH legacy reprocessed 2015 (GeoParquet)geoparquet
Columnar — query with DuckDB / SQL
Download
UKCS government seismic MNSH legacy reprocessed 2015 (map tiles)pmtiles
Vector tiles — embed in a map
Download
Live ArcGIS layer (source)arcgis
Download

Rendered from PMTiles, queried in-browser from GeoParquet — no server. How this works

Schema

FieldTypeValues
Line name
LINE_NAME
string
Survey name
SURVEYNAME
string9 values: Dogger Bank (10), North West Gasfields, 1991 (4), Northumbria Offshore (4)…
Gesodesic length (km)
KMS
string
To be published on Open Data
OPEN_DATA
string1 values: Y (32)