The GPS coordinates of Si’umu are latitude -14.0094° and longitude -171.7768°. In directional format: 14.0094° S, 171.7768° W. These coordinates mark the center of Si’umu in Tuamasaga and work with Google Maps, OpenStreetMap and every major navigation app.

Si’umu is a city in Tuamasaga, Samoa, on the continent of Australia And Oceania. View its exact position on the satellite map above or check nearby cities for regional context.

In DMS (Degrees Minutes Seconds) format, Si’umu sits at: Latitude 14° 0' 34" S and Longitude 171° 46' 37" W. This format is common in surveying records, printed maps and legacy GPS hardware still used by field crews on site visits.

Si’umu has a population of approximately 1,183 people. See the population rank and density figures above, or compare it against every city in Tuamasaga.

The interactive satellite map of Si’umu is embedded on this page and shows streets, buildings and terrain. You can also enter the GPS coordinates -14.0094, -171.7768 directly into Google Maps, Apple Maps or any navigation app to locate Si’umu in Tuamasaga. For broader context, explore the Tuamasaga state map or nearby cities.

The nearest airport to Si’umu is Faleolo International Airport (APW), roughly 32 km away. See the Nearest Airport card in the sidebar for the exact distance in kilometers and miles.

Si’umu is approximately 25 km (16 mi) from Afega, the capital of Tuamasaga, measured as a straight-line distance between city centers. See the Major Cities table above for distances from other cities in Tuamasaga.

Si’umu sits at an elevation of approximately 21 meters (69 feet) above sea level — see the Geographic Profile above. Compare it against other cities in the Major Cities table for Tuamasaga.

The closest cities to Si’umu include Vailima, Tanugamanono, Letogo. See the Geographic Intelligence panel above for the full list with distances, or the nearby cities tool for a complete breakdown.

Today in Si’umu, sunrise is at 06:42 AM and sunset is at 06:21 PM, giving a day length of 11h 39m. See the Sunrise & Sunset panel above, calculated directly from Si’umu's GPS coordinates and updated daily.

Si’umu is approximately 1,560 km (969 mi) from the Equator, in the southern hemisphere. It's also about 18,553 km from the Prime Meridian. See the Global Position panel above for the full breakdown.

The antipodal point of Si’umu — the spot exactly opposite it through the Earth's center — falls nearest to Tessaoua, Niger, roughly 38 km from the true antipode. Since about 71% of the Earth's surface is ocean, most antipodal points land in open water rather than on a named city.

Si’umu is approximately 20 km (12 mi) N of Apia, the national capital of Samoa, measured as a straight-line distance between city centers. See the Distance to Capitals card above.