Geomagnetic latitude is a coordinate used in geomagnetism to indicate the position of a point on the Earth's surface in relation to the geomagnetic poles. Unlike geographic latitude, which is based on the Earth's rotational axis, geomagnetic latitude is based on the Earth's magnetic field. The geomagnetic latitude is defined as the angle between a point on the Earth's surface and the geomagnetic equator, measured from the center of the Earth.
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