EPSG systems

EPSG:3176 Indian 1960 / TM 106 NE

Projected system (Transverse Mercator) in use: Vietnam - offshore Cuu Long basin. The full definition below, and conversion in one click.

System record
CodeEPSG:3176
NameIndian 1960 / TM 106 NE
TypeProjected system — Transverse Mercator
Area of use Vietnam - offshore Cuu Long basin
Vietnam - offshore - Cuu Long basin and northwestern part of Nam Con Son basin.
Bounds W 106,54° · S 7,99° · E 110,00° · N 11,15°
Countries Vietnam
DatumIndian 1960
Ellipsoid Everest 1830 (1937 Adjustment) a = 6377276.345 m · 1/f = 300.8017
Base geographic system EPSG:4131 — Indian 1960
Unit metre (E east, N north)
Transformation to WGS 84 Indian 1960 to WGS 84 (3) (EPSG:1543) — accuracy 44 m
ScopeOil and gas exploration and production.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin106degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing0metre

proj4 definition

+proj=tmerc +lat_0=0 +lon_0=106 +k=0.9996 +x_0=500000 +y_0=0 +ellps=evrst30 +units=m +towgs84=182,915,344 +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:3176.

WKT (ESRI format, the .prj content)

PROJCS["Indian_1960_TM_106NE",GEOGCS["GCS_Indian_1960",DATUM["D_Indian_1960",SPHEROID["Everest_Adjustment_1937",6377276.345,300.8017]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",106.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Vietnam

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