The Bouguer anomaly is defined as the difference between the gravity measured at a specific point on the Earth’s surface and a gravity value calculated at the same point assuming that the Earth’s crust is homogeneous. This map shows both the regional negative anomalies associated with the Alps and the positive anomaly of the Sesia–Finero zone that signifies an excess of mass at depth.

Database contains data from gamma-spectrometry survey. Gamma-ray spectrometry survey means measurement of natural radioactive isotopes concentration i.e. potassium 40K [%], uranium 328U and 235U [ppm], thorium 232Th [ppm]; simultaneously, total gamma-ray activity was registered. This survey started in 1976 and covered about 60 % of the territory.

This database contains reports and assessments including geophysical measurements made since the 1950s. It also contains research studies and projects carried out in the Czech Republic and abroad. Access to the archive is provided by the Geophysical Archive Unit, located at the CGS office in Brno.

ArcGIS Server service displays state-funded seismic profiles measured in the Czech Republic in 1971-1994.

This database contains state-paid seismic profiles measured in the Czech Republic. The layer has been transformed according to the INSPIRE data specification for the Geoph Profile object from the Geophysics application scheme.

Gravimetric map (J. Sedlák, Geofyzika, a.s., 1998) was published in Atlas of maps of the Czech Republic GEOČR500 in 1998 by CGS. It contains a raster image of gravimetric field. Map was created on the basis of measurements of 283 718 detailed points of gravity.

This database contains the locations of points at which vertical electrical soundings were measured.

ArcGIS Server Service displays the localization of Vertical Electrical Sounding (VES) measuring stations in the Czech Republic since 1957.

WMS service shows the localization of Vertical electrical sounding (VES) measuring points of selected campaigns, registered in the Czech Republic since 1957.

This database contains data from radiometric survey. Radiometry means the measurement of the total gamma-ray activity of natural radioactive isotopes on the Earth’s surface, in the past the total exposure rate was measured. The first stage (measurement of exposure rate) was carried out in 1957-1973 using Geiger-Mueller counter; this survey covered the whole territory of the Czech Republic, measured data is stored in [µR/h]. Next stage started in 1976 when total gamma-ray activity was registered simultaneously with gamma-ray spectrometry survey and covers about 60 % of the territory, measured data was stored as total gamma-ray activity [Ur].