The spin of the Earth’s core appears to have reversed direction; but don’t be alarmed, it’s still spinning in the right direction, it only appears to be running in reverse from our vantage point here on the surface of the planet. A study of deep-penetrating seismic data collected between 1964read more
A new study is suggesting that human influence is affecting the planet in an unexpected way: human-driven global warming appears to be accelerating the shift the planet’s axis. Although scientists have known about the slow wobble in the Earth’s axis for a long time, NASA researchers have found that the planet’s shrinking ice sheets are altering the Earth’s balance, causing the pole to drift one-third faster than it would if the planet’s temperature had remained stable.
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It might only have a subtle effect, but it’s still measurable: the distribution of Earth’s glacial ice has an impact on how the planet spins, both in terms of the speed of our blue sphere’s rotation, and in the slow wobble that the Earth’s axis makes over it’s 26,000-year circle around the sky.
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It happened again: The earthquake that hit Japan moved the island nation 8 feet and shifted the Earth on its axis by almost 4 inches. Japan is prone to earthquakes, but this was the most powerful one to hit the country in recorded history. Japan is part of the "ring of fire" in the Pacific, an area of high seismic and volcanic activity that stretches from New Zealand, up through Japan, across to Alaska and down the west coasts of North and South America.
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