Ancient sea levels reveal when the Earth’s poles went wandering

October 1, 2026 · 6:00 pm 2 sources

Image: Scientific American

Coverage

Coverage

• Scientists discover that Earth’s crust has repeatedly rolled over—and it’s still happening
  Scientific American · October 1, 2026 18:00
  An analysis of ancient sea-level changes reveals that the whole solid Earth has shifted multiple times

More coverage

• Ancient sea levels reveal when the Earth's poles went wandering
  Phys.org · October 2, 2026 17:20
  Earth's poles do not always stay in the same place. For example, a region once near the North Pole can end up near the equator, and an area near the equator can shift up toward the pole. This is known as true polar wander (TPW), and it's when Earth's crust and mantle shift together relative to its…