Earth's Magnetic Pole Drifting Quickly

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Of course, there are some Junk Scientists and Alarmists what will say this is just the beginning of the “Pole Shift” that will destroy life as we know it.:rolleyes:

PF
 
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WanderAimlessly:
Of course, there are some Junk Scientists and Alarmists what will say this is just the beginning of the “Pole Shift” that will destroy life as we know it.:rolleyes:

PF
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There’s nothing junky about this science. The magnetic poles have shifted before and will shift again. I think it happens every 70,000 years, if I remember the Nova episode correctly, and I think the next shift is expected to happen in the relatively near future. I think the danger of the shift occurs during the transition, when the earth potentially loses its ionosphere and the amount of cosmic radiation allowed to reach the earth’s surface significantly increases.
 
It has long been known that the magnetic poles are drifting.

If you buy a US Geological Survey topographic may, you will find a small diagram, just to the left of the scale markers at the bottom of the sheet. This shows the three norths, and will usually bear a legend like:
UMT Grid and 19XX Magnetic North.
Declination at center of sheet.
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Not so very long ago, it was thought the drift was constant and predictable. Maps made before about 1960 may include
Annual change X minutes westerly
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It was long known that the 11-year solar cycle correlated with the economy. In the 50’s it was found that this was due to the impact of increased solar particle fluxes. These fill up the Van Allen Belt and precipitate into the upper atmosphere at 60 degrees magnetic latitude. This generates wind patterns which impact the wheat, and other, crops.

Significant change in the geographic location of 60 degrees magnetic might significantly shift the best grain growing areas.

Pure speculation, but interesting.
 
Drifting of the magnetic poles relative to the geographic poles, in my opinion, I think simply means that the center of mass of all the iron on earth has shifted.

Question is, why would the center of mass of the iron shift? One possible answer is that a significant amount of the lava have moved. So study those volcanoes!!!

Another possible answer is the Sumatra Quake a couple of months ago which moved the whole island of Sumatra some 90 feet. (Sumatra Island is the size of Florida.) If Sumatra is HUGE, and it moved 90 feet, let me remind you that Sumatra was only the tip of the iceberg, like the fin of a huge shark. If the fin above the water moved 90 feet, you bet, the huge shark beneath the water also moved 90 feet. Could it be that the huge gigantic techtonic plate or plates beneath also moved 90 feet relative to the other tectonic plates? Well, possibly, if magma or lava from the center of the earth moved upward and filled in the spaces between the techtonic plates. Since magma or lava is mostly iron, such shifting of huge amounts of iron, especially if long distances will cause the center of mass of the total iron in the earth to shift relative to the continents and geographic poles.
 
Any chance the shift of the Magnetic Pole will divert that big meteor that’s supposed to hit us? 😃
 
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norbert:
There’s nothing junky about this science. The magnetic poles have shifted before and will shift again. I think it happens every 70,000 years, if I remember the Nova episode correctly, and I think the next shift is expected to happen in the relatively near future. I think the danger of the shift occurs during the transition, when the earth potentially loses its ionosphere and the amount of cosmic radiation allowed to reach the earth’s surface significantly increases.
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This sounds pretty much right. The key thing to bear in mind though is that any shift is pretty slow to happen. Scientists haven’t come up with any mechanism that makes it fade really fast, despite some of the dodgy science show in films (I think there was a film about just this scenario, though I can’t remember the name).

Mike
 
The Eurasian:
Drifting of the magnetic poles relative to the geographic poles, in my opinion, I think simply means that the center of mass of all the iron on earth has shifted.
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A shift in center of mass would increase (or decrease) the earth’s wobble – and that would indeed be a disaster.

Polar drift is related to the currents in the molten core, not an actual shift in the core.
 
vern humphrey:
A shift in center of mass would increase (or decrease) the earth’s wobble – and that would indeed be a disaster.

Polar drift is related to the currents in the molten core, not an actual shift in the core.
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In the Sumatra Quake which caused that supermassive tsunami which travelled over several time zones to East Africa, the spin of the earth around its axis was permanently altered by several seconds a year(?). * * * That’s a significant shift in mass* * * Like an ice skater who spreads her arms out to slow down here spin or moves her arms close to her body to spin faster.

Also, when molten lava moves up to a volcano, that’s magnetic iron material moving quite a distance away from both the center of mass of the total amount of iron in the earth and also the center of mass of all material, iron and non-iron in the earth.

Anyway, that change in the speed of the spin of the earth around its own axis and that ice skater analogy, that’s the undeniable proof.
 
The Eurasian:
Also, when molten lava moves up to a volcano, that’s magnetic iron material moving quite a distance away from both the center of mass of the total amount of iron in the earth and also the center of mass of all material, iron and non-iron in the earth.
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The vast majority of lavas originate in the crust. If you assume the lava moves from the base of the crust to the surface, you are talking about a distance equalling approximately 1.2% of the diameter of the earth. Additionally, the mass of the lava compared to the mass of the earth is miniscule.
Anyway, that change in the speed of the spin of the earth around its own axis and that ice skater analogy, that’s the undeniable proof.
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Proof of what?

Peace

Tim
 
The Eurasian:
In the Sumatra Quake which caused that supermassive tsunami which travelled over several time zones to East Africa, the spin of the earth around its axis was permanently altered by several seconds a year(?). * * * That’s a significant shift in mass* * * Like an ice skater who spreads her arms out to slow down here spin or moves her arms close to her body to spin faster.

Also, when molten lava moves up to a volcano, that’s magnetic iron material moving quite a distance away from both the center of mass of the total amount of iron in the earth and also the center of mass of all material, iron and non-iron in the earth.

Anyway, that change in the speed of the spin of the earth around its own axis and that ice skater analogy, that’s the undeniable proof.
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NASA scientists using data from the Indonesian earthquake calculated it affected Earth’s rotation, decreased the length of day, slightly changed the planet’s shape, and shifted the North Pole by centimeters. The earthquake that created the huge tsunami also changed the Earth’s rotation.
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Dr. Richard Gross of NASA’s Jet Propulsion Laboratory, Pasadena, Calif., and Dr. Benjamin Fong Chao, of NASA’s Goddard Space Flight Center, Greenbelt, Md., said all earthquakes have some affect on Earth’s rotation. It’s just they are usually barely noticeable.
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“Any worldly event that involves the movement of mass affects the Earth’s rotation, from seasonal weather down to driving a car,” Chao said.
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Gross and Chao have been routinely calculating earthquakes’ effects in changing the Earth’s rotation in both length-of- day as well as changes in Earth’s gravitational field. They also study changes in polar motion that is shifting the North Pole. The “mean North pole” was shifted by about 2.5 centimeters (1 inch) in the direction of 145 degrees East Longitude. This shift east is continuing a long-term seismic trend identified in previous studies.
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They also found the earthquake decreased the length of day by 2.68 microseconds. Physically this is like a spinning skater drawing arms closer to the body resulting in a faster spin. The quake also affected the Earth’s shape. They found Earth’s oblateness (flattening on the top and bulging at the equator) decreased by a small amount. It decreased about one part in 10 billion, continuing the trend of earthquakes making Earth less oblate.
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The change is minor – a one-inch shift in the poles, and 0.00268 seconds in the day. Nothing like a switch in the poles.
 
vern humphrey:
The change is minor – a one-inch shift in the poles, and 0.00268 seconds in the day. Nothing like a switch in the poles.
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Not to worry, Vern. Between the bird flu and the asteroid in 2036, our days are numbered, anyway.
 
vern humphrey:
The change is minor – a one-inch shift in the poles, and 0.00268 seconds in the day. Nothing like a switch in the poles.
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How would you and Professor Chao like to be on a train that has gone off its rail by 1 inch?
 
The people who died from the Sumatra Quake-Tsunami Dec. 4, 2004, the people who died as a result of Hurricane Katrina, are they still here???
 
The problem of drift of the magnetic poles is minor, they have drifted since time immemorial. The greatest threat to the magnetic poles, beginning to show itself is a weakening of the strength of the poles which in the past has been seen as a prelude to the poles switching, i.e north to south and vice versa.

For more information look at:

antarcticconnection.com/antarctic/news/2002/041802mag_flip.shtml
 
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