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There are two phenomena:-

  1. polar wandering
  2. magnetic reversals
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15y ago

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Related Questions

Where is the Earths magnetic field at its strongest?

The Earth's magnetic field is strongest at the North and South magnetic poles, which are not the same as the geographic North and South poles. The magnetic field strength varies at different locations on the Earth's surface.


Is the earths dip the same everywhere in the world?

No, the Earth's magnetic dip angle varies at different locations on Earth. The magnetic dip, also known as inclination, is the angle between the magnetic field lines and the horizontal plane, and it changes as you move from the magnetic North or South poles towards the equator.


What is it called when rocks are different because Earths magnetic poles change places?

Magnetic Reversal. Several magnetic reversals have occurred over geologic time.


Is the magnetic pole near the Earths true North Pole a magnetic south pole or a magnetic north pole?

Earths geographic North Pole is also currently a magnetic north pole. This is however not always the case because over geological time scales the Earth's magnetic poles flip as a result of changes of flow in Earth's molten core which produces Earth's magnetic field.


What is it called when the earths poles switch positions over time?

The phenomenon you're referring to is known as geomagnetic reversal or magnetic pole reversal. This occurs when the Earth's magnetic field flips its polarity, causing the magnetic north and south poles to switch positions.


The possible source of earths magnetic core is?

The molten iron and medals inside the earths core are the reasons for the earths magnetic core.


Why would the magnetic declination be different in different locations?

The big iron ball in the center of the Earthis is suspended in liquid rock and not perfectly centered, spinning but not orientated perfectly to the Earths poles. STherefore, the Earth tends to wobble around it and the magnitic poles are far from the geographic poles. As seen from any place, these poles are then relatively in different directions.


What forms when earths magnetic field changes direction?

When Earth's magnetic field changes direction, it results in a phenomenon known as geomagnetic reversal or magnetic flip. This process involves the magnetic north and south poles switching positions. These reversals have occurred throughout Earth's history and have been recorded in the rock record.


Is earths core a source of earths magnetic field?

Yes.


Earth's magnetic field results from the spinning of the?

The earths magnetic field results from deep in the earths core. Magnetic conduction from within the earths core is believed to be the cause of this.


What is earths axis slowly but continuously points in different directions known as?

I think you are referring to a phenomenon called Nutation.


Why do scientists believe that the inner core is the source of earths magnetic field?

because it has the hydro electric power to control the earths magnetic field