earthquakes alter axis

March 2, 2010

The Chilean earthquake may have shifted the earth’s axis and shortened its days.

Strong earthquakes have altered Earth’s days and its axis in the past. The 9.1 Sumatran earthquake in 2004, which set off a deadly tsunami, should have shortened Earth’s days by 6.8 microseconds and shifted its axis by about 2.76 inches (7 cm, or 2.32 milliarcseconds).

posted by Deron Bauman in nature, science | * | comment

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