Geomagnetic Observations

Data and data products related to TCS Geomagnetic Observations provide information on changes in the geomagnetic field between the Earth’s core and space to study Earth’s external and internal processes.

Responsible EPOS-Finland partners: The Geological Survey of Finland GTK, University of Oulu – Sodankylä Geophysical Observatory (SGO), and the Finnish Meteorological Institute (FMI).

Finnish data related to TCS Geomagnetic Observations include magnetotelluric (MT) data and magnetometer data from the IMAGE (International Monitor for Auroral Geomagnetic Effects) magnetometer network. Magnetotelluric (MT) data from Finland are provided by the Geological Survey of Finland GTK. Both SGO and FMI maintain observatories linked to the IMAGE network. The IMAGE magnetometer network has collaborators also from Germany, Norway, Poland, Sweden, Denmark and Iceland. Data available on the IMAGE website include:

  • Magnetometer data
  • Data products