Please rotate your device

Search and filter

Time periods
Themes
Significant Events
People
Buildings
Objects
Decades
Curriculum Subjects
Places
Locality

Last Reversal of the Earth's Magnetic Poles

Facebook
Twitter
Google+

780,000 years ago

Information

The Earth's magnetic poles are not fixed over geological time. As the Earth spins on its axis its molten iron core naturally produces an electrical and magnetic field which gives the planet its magnetic north and south poles. The earth's magnetic field continuously and irregularly varies, and from time to time it flips completely, causing the magnetic north and south poles to trade places, a phenomenon known as palaeomagnetic reversal. Palaeomagnetic reversals have occurred many times over the Earth's history, the last one occurring about 780,000 years ago.

Earth , Magnetic poles

Discover, understand, and enjoy the rich and diverse stories which make the city of Peterborough what it is today.

GET INVOLVED NOW…
Teachers Public


  • Privacy Policy
  • Contributors
  • Copyright
Copyright ©2020 City Culture Peterborough. All rights reserved.
Log In Create account
  • Before people
  • First Settlers
  • Romans
  • Saxons, Vikings & Normans
  • Medieval
  • Tudors & Stuarts
  • Markets to Railways
  • Brick Town to New Town
  • Before people
  • First Settlers
  • Romans
  • Saxons, Vikings & Normans
  • Medieval
  • Tudors & Stuarts
  • Markets to Railways
  • Brick Town to New Town
Download acrobat reader