Back to today’s briefing

Story perspectives

Ancient Solar Storm 500 Times Stronger Than 2003 Event

5/20/2025

28 2

Summary

Story summary

A groundbreaking study from Finland uncovers a colossal solar storm dating back to 12,350 BC, eclipsing the infamous 2003 Halloween Storm by over 500 times. This cataclysmic event, which signaled the end of the last Ice Age, serves as a stark reminder of the potential havoc similar storms could wreak on today’s satellites and electrical grids.

1 of 1

Story summary

A groundbreaking study from Finland uncovers a colossal solar storm dating back to 12,350 BC, eclipsing the infamous 2003 Halloween Storm by over 500 times. This cataclysmic event, which signaled the end of the last Ice Age, serves as a stark reminder of the potential havoc similar storms could wreak on today’s satellites and electrical grids.