Scientist David Sereda discussed pole shifts and a recent FAA advisory regarding magnetic anomalies in the Bermuda Triangle. Sereda said he believes the FAA advisory, which indicates GPS will be unreliable in the area due to Department of Defense testing, is merely a cover story. According to Sereda, a ham radio operator has discovered the magnetic field anomalies in that region are not man-made, thus could not be military-related. Recent events, including an evenly-distributed vibration that struck the whole planet and the massive bird die-offs, may indicate Earth is getting ready to find its new magnetic north and south positions, he explained. Such a polar shift would cause devestating earth changes, Sereda warned.
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Wikipedia
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The cataclysmic pole shift hypothesis suggests that there have been geologically rapid shifts in the relative positions of the modern-day geographic locations of the poles and the axis of rotation of the Earth, creating calamities such as floods and tectonic events.

There is evidence of precision and changes in axial tilt, but this change is on much longer time-scales and does not involve relative motion of the spin axis with respect to the planet. However, in what is known as true polar wander, the solid Earth can rotate with respect to a fixed spin axis. Research shows that during the last 200 million years a total true polar wander of some 30° has occurred, but that no super-rapid shifts in the Earth's pole were found during this period. A characteristic rate of true polar wander is 1° per million years or less. Between approximately 790 and 810 million years ago, when the super-continent Rodinia existed, two geologically-rapid phases of true polar wander may have occurred. In each of these, the magnetic poles of the Earth shifted by ~55°.

The geographic poles of the Earth are the points on the surface of the planet that are intersected by the axis of rotation. The pole shift hypothesis describes a change in location of these poles with respect to the underlying surface -- a phenomenon distinct from the changes in axial orientation with respect to the plane of the ecliptic that are caused by precession and nutation, and from true polar wander.

Pole shift hypotheses are not connected with plate tectonics, the well-accepted geological theory that the Earth's surface consists of solid plates which shift over a fluid asthenosphere; nor with continental drift, the corollary to plate tectonics which maintains that locations of the continents have moved slowly over the face of the Earth, resulting in the gradual emerging and breakup of continents and oceans over hundreds of millions of years.

Pole shift hypotheses are not the same as geomagnetic reversal, the periodic reversal of the Earth's magnetic field (effectively switching the north and south magnetic poles).