EPSG systems

EPSG:3102 American Samoa 1962 / American Samoa Lambert

Projected system (Lambert Conic Conformal (1SP)) in use: American Samoa - 2 main island groups. The full definition below, and conversion in one click.

System record
CodeEPSG:3102
NameAmerican Samoa 1962 / American Samoa Lambert
TypeProjected system — Lambert Conic Conformal (1SP)
Area of use American Samoa - 2 main island groups
American Samoa - Tutuila, Aunu'u, Ofu, Olesega and Ta'u islands.
Bounds W -170,88° · S -14,43° · E -169,38° · N -14,11°
Countries American Samoa
DatumAmerican Samoa 1962
Ellipsoid Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214
Base geographic system EPSG:4169 — American Samoa 1962
Unit US survey foot (X east, Y north)
Transformation to WGS 84 American Samoa 1962 to WGS 84 (1) (EPSG:1577) — accuracy 44 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin-14.266666666666667degree
Longitude of natural origin-170degree
Scale factor at natural origin1unity
False easting500000US survey foot
False northing312234.65US survey foot

proj4 definition

+proj=lcc +lat_1=-14.2666666666667 +lat_0=-14.2666666666667 +lon_0=-170 +k_0=1 +x_0=152400.30480061 +y_0=95169.3116586233 +ellps=clrk66 +units=us-ft +towgs84=-115,118,426 +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:3102.

WKT (ESRI format, the .prj content)

PROJCS["Samoa_1962_Samoa_Lambert",GEOGCS["GCS_American_Samoa_1962",DATUM["D_American_Samoa_1962",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",312234.65],PARAMETER["Central_Meridian",-170.0],PARAMETER["Standard_Parallel_1",-14.2666666666667],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",-14.2666666666667],UNIT["US survey foot",0.304800609601219]]

All systems — American Samoa

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