A New Ocean is Splitting This Continent Apart and Scientists Can’t Believe How Fast It’s Happening

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By : Maria Popova

The Continental Split Accelerates

Scientists have discovered that Africa’s continental divide is expanding faster than expected. The East African Rift System, stretching approximately 3,000 kilometers from Mozambique to the Red Sea, is actively splitting the continent.

Recent GPS measurements show the land separating at rates of 6-7 millimeters annually in Ethiopia, and 2-3 millimeters further south. While complete separation will take millions of years, these rates are significant.

Dramatic Ground Changes

The most striking evidence came from Ethiopia’s Afar region in 2005. A massive 60-kilometer crack opened in just three weeks, accompanied by over 160 earthquakes as magma pushed up from below.

This event gave scientists a rare opportunity to witness continental breakup in real-time, rather than relying on geological timescales.

Preview of a Future Ocean

The process mirrors the Atlantic Ocean’s formation: the crust thins and fractures before seafloor spreading begins. The Red Sea demonstrates a preview, already showing evidence of active spreading throughout its basin

Scientists predict seawater will eventually flood the rift valley, creating a new ocean basin between the separating continental plates.

Impact on Local Communities

Current effects are already significant for populations along the rift. Communities face challenges from:

  • Regular earthquakes
  • Volcanic activity
  • Ground deformation
  • Infrastructure damage
  • Agricultural disruption

Looking to the Future

This geological process serves as a reminder that Earth is constantly changing. While the complete formation of a new ocean will take millions of years, the active rifting demonstrates how our planet’s geography continues to evolve.

The East African Rift provides American scientists with a unique natural laboratory to study continental breakup and ocean formation in real-time.

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