How often does earth magnetic.field change dirrection?

Geography

2 answers:

Lilit [14]2 years ago

8 0

Every 600,000 years

Hope this helps

prisoha [69]2 years ago

5 0

Answer:

That is much less often than in the last 150 million years, when the field has flipped every 600,000 years. In the last 10-20 million years it has sped up even more, to once every 200,000-250,000 years. "The evidence points to a more stable field in the very far past and fewer reversals," says Veikkolainen.

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