Scientists claim they have answered one of the biggest questions in geology; why do tectonic plates beneath the Earth’s surface sometimes move abruptly?
In a new study, US geologists believe the answer comes down to a combination of the thick crusts and weakened mineral grains.
Those effects acting together, they say, could explain a range of relatively ‘speedy’ moves among tectonic plates around the world, from Hawaii to East Timor.
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