The Geomagnetische Observatory Vassouras (VSS) was established in 1915 and is operated by the Observatório Nacional - MCT and GFZ since the year 2014. The geomagnetic field intensity and directions are continously recorded at the observatory.
The observatory is member of the INTERMAGNET program.

Location: Brazil

Geographic Coordinates
Latitude: - 22.4 N   Longitude: 316.35 E   Altitude: 457.0 m  

Geomagnetic Coordinates
Latitude:  13.43 S  Longitude: 27.11 E   

The geomagnetic Coordinates refer to IGRF-11 for 2010.  


Data are available on request.

Cooperation partner

Observatório Nacional - MCT
Rua Gal. José Cristino, 77
Rio de Janeiro