"By sampling these rocks and using radiometric dating techniques, it has been possible to reconstruct the history of the Earth's magnetic field for roughly the last 160 million years", wrote the National Oceanic and Atmospheric Administration (NOAA) in a blog post.
As the magnetic field's quirks are dynamic, the model has to be updated, which is done on a five-year schedule.
The north magnetic pole has been drifting so fast that it could be a problem for smartphone maps and navigation systems.
Magnetic north is now moving more than 34 miles per year, up from just seven miles throughout the mid 1900s. "It didn't move much between 1900 and 1980 but it's really accelerated in the past 40 years", said Ciaran Beggan, of the British Geological Survey in Edinburgh. "As it flows it creates an electronic current and that current makes a magnetic field - which drifts with the hot runny core", he said.
Global Positioning System isn't affected because it's satellite-based, but airplanes and boats also rely on magnetic north, usually as backup navigation, said University of Colorado geophysicist Arnaud Chulliat, lead author of the newly issued WMM.
WMM helps to calibrate accurate geographical data for a host of consumer uses including compass apps, maps, and Global Positioning System services found on cellphones and other electronic devices.More news: Surprising find for NIWA scientists in year-old seal poo
On Monday, February 4, the World Magnetic Model has found the pole is moving by an approximate 34 miles (55km) a year.
For example, the airport in Fairbanks, Alaska, renamed a runway 1L-19R to 2L-20R in 2009.
Its speed jumped from about 9 miles per hour (15 kph) to 34 miles per hour (55 kph) since 2000. Finally magnetic north is what your compass locates.
Beneath the molten core is the Earth's solid centre - a ball of tough iron believed to be about two-thirds the size of the Moon.
Dr Lathrop, who who wasn't part of the team monitoring the magnetic north pole said: 'It has changes akin to weather.
The World Magnetic Model (WMM) is a representation of Earth's magnetic field. If the mathematically expected location of the Magnetic North Pole is wrong, navigation equipment will be off kilter.More news: Super Bowl viewers reaches record low in New Orleans
Over time, and especially in a scenario where Earth reverses polarity and the magnetic poles swap places, the moving of the Magnetic North Pole will affect animals, birds and sea life that use the polls' magnetic fields for navigation. Over the last 780,000 years, fossil records indicate that the poles have moved and switched a number of times, with no recognizable harm to living organisms.
When it does, it will not be like a coin flip, but will take 1,000 or more years, experts said.
Dr Lathrop sees a flip coming sooner rather than later because of the weakened magnetic field and an area over the South Atlantic has already reversed beneath Earth's surface.
The magnetic field shields Earth from some unsafe radiation, Mr Lathrop said. Everyday users of maps applications will never notice the subtleties caused by a misplaced magnetic pole, but submarines and aircraft do still rely on compasses in addition to newer technologies. Now the WMM has been updated, researchers are working to understand the changes.
'Although GPS is a great tool for navigation, it is limited in that it only provides your position, ' geodetic scientist James Friederich from the US National Geospatial-Intelligence Agency explained in 2014.More news: British ISIS hostage John Cantlie believed to still be alive, United Kingdom says