EPSG systems

EPSG:4657 Reykjavik 1900

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

System record
CodeEPSG:4657
NameReykjavik 1900
TypeGeographic system
Area of use Iceland - mainland
Bounds W -24,66° · S 63,34° · E -13,38° · N 66,59°
Countries Iceland
DatumReykjavik 1900
Ellipsoid Danish 1876 a = 6377019.27 m · 1/f = 300
Unit degree (Lat north, Lon east)
Transformation to WGS 84 Reykjavik 1900 to WGS 84 (1) (EPSG:1994) — accuracy 10 m
ScopeGeodesy.

proj4 definition

+proj=longlat +a=6377019.27 +rf=300 +towgs84=-28,199,5 +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:4657.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Reykjavik_1900",DATUM["D_Reykjavik_1900",SPHEROID["Danish_1876",6377019.27,300.0]],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.