EPSG:8993 — ITRF93

Geographic 2D · World

Export Formats

OGC WKT

GEOGCS[
    "ITRF93",
    DATUM[
        "International_Terrestrial_Reference_Frame_1993",
        SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],
        AUTHORITY["EPSG","6652"]
    ],
    PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","8993"]
]

WKT2

GEOGCRS[
    "ITRF93",
    DYNAMIC[FRAMEEPOCH[1993.0]],
    DATUM[
        "International Terrestrial Reference Frame 1993",
        ELLIPSOID[
            "GRS 1980",
            6378137,
            298.257222101,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",7019]
        ],
        ID["EPSG",6652]
    ],
    CS[ellipsoidal,2,ID["EPSG",6422]],
    AXIS["Geodetic latitude (Lat)",north],
    AXIS["Geodetic longitude (Lon)",east],
    ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
    ID["EPSG",8993]
]

PROJ.4

+proj=longlat +ellps=GRS80 +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:8993", "+proj=longlat +ellps=GRS80 +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 8993,
  "name": "ITRF93",
  "kind": "geographic 2D",
  "area": "World",
  "unit": "degree (supplier to define representation)",
  "bbox": [
    -90,
    -180,
    90,
    180
  ],
  "proj4": "+proj=longlat +ellps=GRS80 +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (8993, 'EPSG', 8993, '+proj=longlat +ellps=GRS80 +no_defs +type=crs', 'GEOGCS["ITRF93",DATUM["International_Terrestrial_Reference_Frame_1993",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6652"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8993"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=longlat"
  "+ellps=GRS80"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

8993=GEOGCS["ITRF93",DATUM["International_Terrestrial_Reference_Frame_1993",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6652"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8993"]]

Related Coordinate Systems

Available Transformations (15)

Transformations inherited from base CRS: EPSG:4915 (ITRF93)

Transformation	Source → Target	Accuracy (m)
ITRF93 to ETRF93 (1)	4915 → 7922	0
ITRF93 to NAD83(CSRS96) (1)	4915 → 8230	0
ITRF92 to ITRF93 (1)	4914 → 4915	0.003
ITRF93 to ITRF2000 (1)	4915 → 4919	0.01
ITRF93 to ITRF2008 (1)	4915 → 5332	0.01
ITRF93 to ETRF2000 (1)	4915 → 7930	0.01
ITRF93 to ITRF2014 (1)	4915 → 7789	0.01
ITRF93 to ETRF2014 (1)	4915 → 8401	0.01
ITRF93 to ITRF94 (1)	4915 → 4916	0.01
ITRF93 to ITRF2020 (1)	4915 → 9988	0.01

Other CRS using International Terrestrial Reference Frame 1993

Frequently Asked Questions

How do I add EPSG:8993 to GeoServer?

Add the following definition to your GeoServer configuration:

8993=GEOGCS["ITRF93",DATUM["International_Terrestrial_Reference_Frame_1993",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6652"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8993"]]

Read the full GeoServer guide →

How do I add EPSG:8993 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (8993, 'EPSG', 8993, '+proj=longlat +ellps=GRS80 +no_defs +type=crs', 'GEOGCS["ITRF93",DATUM["International_Terrestrial_Reference_Frame_1993",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6652"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8993"]]');

Read the full PostGIS guide →

How do I add EPSG:8993 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=longlat"
  "+ellps=GRS80"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:8993 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:8993", "+proj=longlat +ellps=GRS80 +no_defs +type=crs");

Read the full Proj4js guide →