We've Finally Seen The Skyscraper Tsunami That Shook Earth For 9 Days - ScienceAlert

  • Michelle Starr |
  • Technology |
  • ScienceAlert |
  • 06-06-2025 |
  • 37

In September 2023, Earth rumbled. Seismic monitoring all over the globe registered a strange signal that repeated every 90 seconds over a whopping nine days, petering out in a way never before seen.…

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