Cataclysmic' solar storm hit Earth around 2687 years ago, ancient tree rings reveal

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If this colossal solar storm hit our technologically advanced world the effects would have been devastating.

Cataclysmic' solar storm hit Earth around 2687 years ago, ancient tree rings reveal : Read more

 

[m4n8tpr8b]

These space weather events are so rare that only 6 have been detected in the past 14,500 years, the most recent of which occurred just between 664 and 663 BCE.

You copied a mistake from the UofA press release. However, as correctly told in the actual scientific paper, there have been two more recent events in 774–775 CE and 993–994 CE.