EPSG systems

EPSG:4658 Hjorsey 1955

Geographic system in latitude and longitude, in use: Iceland - mainland. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:4658
NameHjorsey 1955
TypeGeographic system
Area of use Iceland - mainland
Bounds W -24,66° · S 63,34° · E -13,38° · N 66,59°
Countries Iceland
DatumHjorsey 1955
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Unit degree (Lat north, Lon east)
Transformation to WGS 84 Hjorsey 1955 to WGS 84 (2) (EPSG:6909) — accuracy 7 m
ScopeGeodesy.

proj4 definition

+proj=longlat +ellps=intl +towgs84=-73,47,-83 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:4658.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Hjorsey_1955",DATUM["D_Hjorsey_1955",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Iceland

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.