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Earth's magnetic field is preparing to flip

Posted on Wednesday, 22 October, 2014 | Comment icon 30 comments

When will the next pole reversal take place ? Image Credit: NASA / Peter Reid
The next reversal of the Earth's magnetic field could happen within the next couple of thousand years.
For some time now there have been signs that our planet's magnetic field could be preparing to undergo a complete reversal, a change that would see the North Pole move to Antarctica and the South Pole move to the Arctic.

While magnetic field reversals have occurred on a regular basis throughout Earth's history, the next one will be the first to take place in almost 800,000 years.
Scientists believe that the flip cycle will be preceded by a weakening of the magnetic field, something that recent measurements have indicated is now actually happening. There's no telling however exactly when the reversal itself will take place so it may still not occur for several thousand years.

"We don't really know whether the next reversal is going to resemble the last one, so it's impossible to say whether we're just seeing the first of possibly several excursions (slight movements), or a true reversal," said Paul Renne, director of the Geochronology Center at the University of California.

When it does happen however scientists believe that, far from lasting several millennia, the actual flipping of the magnetic poles will only take around 100 years to complete.

Source: Fox News | Comments (30)

Tags: Magnetic Field, Pole Reversal, Earth

Recent comments on this story
Comment icon #21 Posted by Pendekar Timur on 27 October, 2014, 18:23
wow..Himalaya will become a desert and the Sahara will turned to ice,cool..
Comment icon #22 Posted by JesseCuster on 27 October, 2014, 21:58
Come to think of it, it would be odd. Just because the magnetic poles "flip" doesn't mean the earth itself "flips", so the seasonal differences would remain the same. So, the nomenclature of "North and South" might have to be replaced by some other wording, such as "Up and Down" Going DOWN to Florida from Canada, as opposed to "going NORTH to Florida from Canada" Or, perhaps no matter what the "flip" the North pole should always be considered as "North" requiring a reversal of compass designation. Dang, I don't know. The magnetic poles are going to flip, not the geographic poles. North will re... [More]
Comment icon #23 Posted by JesseCuster on 27 October, 2014, 22:01
Don't forget that the sun's magnetic poles might be about to flip too (connected?). The sun's magnetic poles flip every 11 years as part of the solar cycle.It's unconnected with any possible upcoming reversal of the earth's magnetic field which undergoes reversals every few hundred thousand years.
Comment icon #24 Posted by JesseCuster on 27 October, 2014, 22:03
and if the earth starts rotating the opposite way be prepared.gonna be a bumpy ride The earth spins because of conservation of angular momentum as a result of how the solar system formed.It has nothing to do with its magnetic field or the direction of the magnetic field. Lots of very odd ideas being bandied around in this thread.
Comment icon #25 Posted by kapow53 on 29 October, 2014, 1:16
No it isn't.
Comment icon #26 Posted by Cynical Sounds on 14 November, 2014, 10:34
So I posted this and then went on holiday and only just remembered the thread, I just want to clear something up as it appears some of the replys haven't actually bothered reading article, I guess its my own fault for the misleading title. Its not the magnetic pole will flip in our lifetime, its that the process or reversal will TAKE less than a human lifetime.
Comment icon #27 Posted by Doug1029 on 14 November, 2014, 19:35
Lots of very odd ideas being bandied around in this thread. The earth has a wobble, called the Chandler Wobble, in which the pole actually does shift. But only by 150 yards or so. It completes two loops, a large one and a small one, every seven years. And nobody seems to notice. I'm wondering if this has something to do with a seven-year cyclical pattern in tree rings. Over the last few years the north magnetic pole, which usually wanders around in a more-or-less circular path, has quit wandering and started moving steadily northwest. Presumably that precedes some upcoming event and the only o... [More]
Comment icon #28 Posted by lightly on 14 November, 2014, 20:18
i wonder if a weaker magnetic field could have anything to do with weather? and explain why it's been colder than average here for over two years. (much colder than the average of the last 30 years .. but similar to the early and Cold winters of 40+ years ago)
Comment icon #29 Posted by Doug1029 on 15 November, 2014, 16:13
i wonder if a weaker magnetic field could have anything to do with weather? and explain why it's been colder than average here for over two years. (much colder than the average of the last 30 years .. but similar to the early and Cold winters of 40+ years ago) Probably not, but there are a lot of very subtle links in nature. It is remotely possible. Doug
Comment icon #30 Posted by Capt. on 21 November, 2014, 18:54

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