Browse data gwrc_tsunami_hazard_zones

Greater Wellington Regional Council — Tsunami Hazard Zones

Geospatial polygon layer from Wellington Region Councils. Each feature carries the attributes listed below; geometry is provided as WKT in WGS84.

Licence: CC-BY 4.0 Source: Greater Wellington Regional Council (www.gw.govt.nz), CC-BY 4.0.

Data as of 2026-06-14  · monthly  · 60 rows

Map preview
Showing 60 sample features
CRS
EPSG:4326

Centroids only — full geometry available via the API or CSV download.

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Dataset ID
gwrc_tsunami_hazard_zones
Data source
Wellington Region Councils
Last refreshed
2026-06-14
Refresh cadence
monthly
API endpoint
https://api.eolas.fyi/v1/datasets/gwrc_tsunami_hazard_zones/data

Columns (10)

schema glossary · auto-generated
Column Type Description
object_id long Internal feature ID (ArcGIS OBJECTID)
zone_class double Zone class
col_code string Col code
evac_zone string Evac zone
location string Location
info string Info
heights string Heights
shape_length double Geometry length/perimeter (source projection units)
shape_area double Polygon area (source projection units)
geometry_wkt string Geometry as WKT (WGS84) — MULTIPOLYGON/POINT/LINESTRING

How to query this dataset

Fetch all data (JSON)
curl https://api.eolas.fyi/v1/datasets/gwrc_tsunami_hazard_zones/data \
  -H "X-API-Key: your_key_here"
Filter by date range
curl "https://api.eolas.fyi/v1/datasets/gwrc_tsunami_hazard_zones/data?start=2020-01-01&end=2024-12-31" \
  -H "X-API-Key: your_key_here"
Download as CSV
curl "https://api.eolas.fyi/v1/datasets/gwrc_tsunami_hazard_zones/data?format=csv" \
  -H "X-API-Key: your_key_here" -o gwrc_tsunami_hazard_zones.csv

Data preview

Hidden in preview: geometry_wkt — fetch via the API or download CSV to get the full data.
Object IdZone ClassCol CodeEvac ZoneLocationInfoHeightsShape LengthShape Area
13.0yellowSelf Evacuation ZoneCarterton coastLocal source tsunami < 1 hour travel time (large local earthquake)10-15 m wave - runup elevations approx. 25-35 m above MHWS73089.280427405836749940.544003845
22.0orangeCDEM Evacuation ZoneCarterton coast500yr distant or regional source tsunami5.0 m wave - runup elevations approx. 10 m above MHWS62328.900442822966245911.359336431
31.0redShore Exclusion ZoneCarterton coastAll tsunami sources emergency evacuation - self and CDEM initiatedup to 1.2 m wave - runup elevations approx. 2.5 m above MHWS62082.975546704753142262.7879879363
43.0yellowSelf Evacuation ZoneMasterton coastLocal source tsunami < 1 hr travel time (large local earthquake)10-15 m wave - runup elevations approx. 25-35 m above MHWS261846.521970882926218764.42183111
52.0orangeCDEM Evacuation ZoneMasterton coast500yr distant or regional source tsunami5.0 m wave - runup elevations approx. 10 m above MHWS191602.9039182942412421834.24266831

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