![3 2015 world magnetic field declination contour map (photo adapted from... | Download Scientific Diagram 3 2015 world magnetic field declination contour map (photo adapted from... | Download Scientific Diagram](https://www.researchgate.net/profile/Quan-Quan-2/publication/318161383/figure/fig3/AS:766320345903105@1559716416285/2015-world-magnetic-field-declination-contour-map-photo-adapted-from_Q640.jpg)
3 2015 world magnetic field declination contour map (photo adapted from... | Download Scientific Diagram
![Massimo on Twitter: "Magnetic declination is the angle between magnetic north and true north. As the Earth's magnetic field varies over time, the positions of the north & south magnetic poles gradually Massimo on Twitter: "Magnetic declination is the angle between magnetic north and true north. As the Earth's magnetic field varies over time, the positions of the north & south magnetic poles gradually](https://pbs.twimg.com/ext_tw_video_thumb/1525899464556302337/pu/img/dRZF79hSanb780Fh.jpg)
Massimo on Twitter: "Magnetic declination is the angle between magnetic north and true north. As the Earth's magnetic field varies over time, the positions of the north & south magnetic poles gradually
![Map of the isolines the magnetic declination (isogones). Based on the... | Download Scientific Diagram Map of the isolines the magnetic declination (isogones). Based on the... | Download Scientific Diagram](https://www.researchgate.net/publication/313241600/figure/fig1/AS:457393755693056@1486062577985/Map-of-the-isolines-the-magnetic-declination-isogones-Based-on-the-data-of-US-NOAA.png)