Earth, North Magnetic Pole. 地球, 地磁北極

Earth’s north magnetic pole is drifting south toward Siberia at an accelerating rate, according to recent data from the European Space Agency (ESA), which also showed that the dynamic magnetic field that protects the planet from radiation has weakened.
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European Space Agency: Magnetic north wandering south toward Siberia | Al Jazeera America
http://america.aljazeera.com/articles/2014/6/23/pole-shift-magnetic.html

North Magnetic Pole - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/North_Magnetic_Pole
地磁北極 - 維基百科，自由的百科全書
http://zh.wikipedia.org/wiki/%E5%9C%B0%E7%A3%81%E5%8C%97%E6%9E%81
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