UiT logo Tromsø Geophysical Observatory
Faculty of Science and Technology
UiT, The Arctic University of Norway
Geomagnetic Activity Index Plot
Select TGO sites:   

  Ny Ålesund
  Longyarbyen
  Hopen
  Bjørnøya
  Jan Mayen
  Nordkapp
  Sørøya
  Tromsø
  Andenes
  Røst
  Jäckvik
  Dønna
  Rørvik
  Dombås
  Solund

 Select FMI sites:   

  Kevo
  Masi
  Kilpisjarvi
  Ivalo
  Muonio
  Pello
  Ranua
  Oulujarvi
  Mekrijarvi
  Hankasalmi
  Nurmijarvi
  Tartu

 Select SGO / IRF sites:   

  Kiruna
  Sodankyla
Select month/year:

   

-

Realtime, last month

-

Component:

X Y Z

H F

D I

The local indices define geomagnetic activity in each hour as the range
deviation in the X/Y/Z and H/D/Z components of the geomagnetic field.

Responsible Editor: Magnar Gullikstad Johnsen
Last page update 14.May. 2020