Alternate Definitions for geomagnetic activity

include archived terms
Term: geomagnetic activity
Definition:

Natural variations in the geomagnetic field classified quantitatively into quiet, unsettled, active, and geomagnetic storm levels according to the observed a index:
quiet
   0 - 7
unsettled  
  8 - 15
active
 16 - 29
minor storm
 30 - 49
major storm
 50 - 99
severe storm
100 - 400

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
Permalink:
https://n2t.net/ark:/99152/h9853