Geomagnetic Storm June 2024. The strongest geomagnetic storm in over 20 years occurred in may 2024,. 11, 2024, the aurora borealis dazzled many across north america due to a severe geomagnetic… october.

Tuesday, june 04, 2024 21:12 utc. The sunspot that produced the historic geomagnetic storm that led to may’s global auroras has made headlines again, producing the strongest radiation storm since 2017.