Radiation Bursts

We have been blessed, or perhaps misled, by the absence of giant geomagnetic storms or radiation bursts since the beginning of grid electrical distribution in the 1920's, and since we began orbiting satellites in the late 1950's.

History of storms

from Wikipedia

21 December 1806

Humboldt compass observation

1 September 1859

Carrington Event

-1750 nT est

13 March 1989

Quebec grid outage

-589 nT

|| 2 November 2003 || radio blackout, satellite damage || -389 nT ||