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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Short term magnetic anomalies
From: Geoffrey Kolbe
Date: 2017 Sep 5, 23:13 -0700
From: Geoffrey Kolbe
Date: 2017 Sep 5, 23:13 -0700
The earth's magnetic field reverses every 200k to 300k years. I don't think magnetic variation gets more severe than that. On that count, whales have been around for about a hundred pole reversals - and they are still here!
Geoffrey Kolbe
