ecan_tsunami_blue_zones
Current Canterbury Civil Defence tsunami evacuation zones (October 2026 onwards): for each district (Waimakariri, Christchurch, Selwyn, Ashburton, Timaru, Waimate, Hurunui, Kaikōura, Mackenzie, Marlborough), the Blue tsunami evacuation zone to leave after a long or strong earthquake or an official warning, and the area outside it.
Published by Canterbury Maps Partners.
Source: ECan / Canterbury ↗ ·Licence: CC-BY 4.0 ·Last updated: 2026-10-21 ·Updated monthly ·18 rows
install.packages("eolas", repos = c("https://phildonovan.r-universe.dev", "https://cloud.r-project.org"))
library(eolas)
eolas_key("your_key")
df <- eolas_get("ecan_tsunami_blue_zones", start = "2020-01-01")
# pip install eolas-data
from eolas_data import Client
df = Client("your_key").get("ecan_tsunami_blue_zones", start="2020-01-01")
curl "https://api.eolas.nz/v1/datasets/ecan_tsunami_blue_zones/data?start=2020-01-01" \
-H "X-API-Key: your_key"
No card needed. The trial covers this dataset through the API. Bulk Parquet/CSV downloads need Pro.
Centroids only — full geometry available via the API or CSV download.
| Column | Type | Description |
|---|---|---|
| object_id | long | Internal feature ID (ArcGIS OBJECTID) |
| district | string | District |
| createdby | string | Createdby |
| createddat | string | Createddat |
| description | string | Description |
| zone | string | Zone |
| shape_area | double | Polygon area (source projection units) |
| shape_length | double | Geometry length/perimeter (source projection units) |
| geometry_wkt | string | Geometry as WKT (WGS84) — MULTIPOLYGON/POINT/LINESTRING |
install.packages("eolas", repos = c("https://phildonovan.r-universe.dev", "https://cloud.r-project.org"))
library(eolas)
eolas_key("your_key_here")
df <- eolas_get("ecan_tsunami_blue_zones")
head(df)
df <- eolas_get("ecan_tsunami_blue_zones", start = "2020-01-01", end = "2024-12-31")
head(df)
df <- eolas_get("ecan_tsunami_blue_zones")
write.csv(df, "ecan_tsunami_blue_zones.csv", row.names = FALSE)
geometry_wkt
— fetch via the API or download CSV to get the full data.| Object Id | District | Createdby | Createddat | Description | Zone | Shape Area | Shape Length |
|---|---|---|---|---|---|---|---|
| 1 | Kaikōura | Canterbury Maps Partners | 2026-10-01 | Evacuate if you feel a long (more than a minute) OR strong (hard to stand up) earthquake, or if you are told to in an official tsunami warning. | Blue tsunami evacuation zone | 105,152,435.0181 | 309,850.1160 |
| 2 | Hurunui | Canterbury Maps Partners | 2026-10-01 | Evacuate if you feel a long (more than a minute) OR strong (hard to stand up) earthquake, or if you are told to in an official tsunami warning. | Blue tsunami evacuation zone | 98,637,174.0986 | 331,128.4166 |
| 3 | Selwyn | Canterbury Maps Partners | 2026-10-01 | Evacuate if you feel a long (more than a minute) OR strong (hard to stand up) earthquake, or if you are told to in an official tsunami warning. | Blue tsunami evacuation zone | 203,471,016.0249 | 112,553.6699 |
| 4 | Christchurch | Canterbury Maps Partners | 2026-10-01 | Evacuate if you feel a long (more than a minute) OR strong (hard to stand up) earthquake, or if you are told to in an official tsunami warning. | Blue tsunami evacuation zone | 438,075,779.3633 | 785,241.8352 |
| 5 | Ashburton | Canterbury Maps Partners | 2026-10-01 | Evacuate if you feel a long (more than a minute) OR strong (hard to stand up) earthquake, or if you are told to in an official tsunami warning. | Blue tsunami evacuation zone | 43,858,270.2085 | 192,438.5915 |
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