Change in the disturbance - storm time (Dst) index. The size of a geomagnetic storm is classified as:
- moderate ( -50 nT >minimum of Dst > -100 nT)
- intense (-100 nT > minimum Dst > -250 nT) or
- super-storm ( minimum of Dst < -250 nT).
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The timestamp of the phenomenon as a single point or time interval.
End date and time of this interval. The end date and time where the interval is defined up to, but excluded.
Start date and time of this interval. The start date and time is included in the defined interval.