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Saturday, 12 August 2017

Earth's magnetic pole reversal

One of the 8 known causes of climate change is the impact of plate tectonics (BGS). Plate tectonics may also control reversals in the earth's magnetic field, according to a 2011 study. A reversal from the magnetic north to south pole is often preceded by many centuries of instability. The reversal itself may, however, happen within a human life time.

"Earth's magnetic field acts like a giant invisible bubble that shields the planet from the dangerous cosmic radiation spewing from the sun in the form of solar winds" (SA). Hence, a weakening may cause increased cancer rates (UC-B) although "fossil records reveal no mass extinctions or increased radiation damage during past reversals" (SA).

A magnetic pole reversal may seriously harm power grids and communications systems. In the past, external magnetic field disturbances have burned out transformers and caused blackouts (UC-B, SA). Wiki: "In 1989, a geomagnetic storm energized ground induced currents that disrupted electric power distribution throughout most of the province of Quebec".

Wikipedia mentions 4 known magnetic field reversals:
The timing of these reversals, and the duration of preceding "instability", raises some questions.

According to a recent August 2017 study of the University of Utah, "Neanderthals and Denisovans diverged from each other around 744,000 years ago" (eg, JT). Behavioral modern human beings "suddenly" arrived around 40,000-50,000 years ago. Simultaneously, the Neanderthal became extinct around 40,000 years ago for unknown reasons. Even the first magnetic field reversal seems to correlate with the history of human evolution.

Since 2014, satellite images by the European Space Agency (ESA) revealed "that Earth's magnetic field is weakening 10 times faster than previously thought, decreasing in strength about 5 percent a decade rather than 5 percent a century. A weakening magnetic field may indicate an impending reversal, which scientists predict could begin in less than 2,000 years." (SA, 2014-10)

Apart from ESA's satellite observations, we also have dramatically increased nonmelanoma skin cancer incidences, (non-cyber attack related) power grid blackouts, and an increasingly unstable climate that seems drifting southbound, while warming up colder countries and heating up warmer countries. Drifting plate tectonics suggest a climate "shift" rather than a "change".

The forthcoming magnetic pole reversal even correlates with the arrival of Humanoid sapiens.

New Kid in Town (1976) by The Eagles - artists, lyrics, video, Wiki-1, Wiki-2