What quantity of water movement between 1993 and 2010 resulted in a measurable shift of the rotational pole?

Answer

1.5 trillion tons

Analyses show that pumping an estimated 1.5 trillion tons of water from land into the oceans during the period between 1993 and 2010 caused a measurable shift in the rotational pole.

What quantity of water movement between 1993 and 2010 resulted in a measurable shift of the rotational pole?

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