"Because of random magnetic reversals, the north magnetic pole at a given time could either be in the North or South hemisphere.
12.
In 1831 his nephew James Clark Ross went overland and reached the north magnetic pole which was then on its western side.
13.
It states that'the Earth's North Magnetic Pole is therefore physically a magnetic south pole'--Talk 12 : 30, 19 July 2007 ( UTC)
14.
James Clark Ross crossed the Boothia Peninsula and on 1 June 1831 became the first European to reach the North Magnetic Pole.
15.
Stukeley used some incomplete data about the variation of the North Magnetic Pole; he extrapolated that it oscillated in a regular pattern.
16.
Other compasses of the time relied on the earth's north magnetic pole and were not reliable, causing ships to go off course.
17.
The next site is a shelter where Amundsen made observations on the North Magnetic Pole, which was about north of Gjoa Haven.
18.
The earth's magnetic field changes constantly, sometimes even reversing itself completely, so that the north magnetic pole moves to the geographic South Pole.
19.
Today the base serves as a starting point for Arctic research and access to both the North Pole and the North Magnetic Pole.
20.
This magnetization has a " preferred direction ", since one can tell the north magnetic pole of the sample from the south magnetic pole.
