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地球的固态表面,也会在月球和太阳的引力作用下发生变形。地理学家长期以来一直怀疑这会不会诱发地震,现在他们总算找到了答案。太阳和月球,尤其是月球,除了会导致海洋的潮汐,还会拉扯地壳和上地幔,这就是所谓的“地球潮汐”。这种潮汐最强的时候,能够减轻板块间的压力,从而导致它们反弹。但模型计算表明,这个效果只有板块正常运动产生的压力的千分之一,所以对地质活动的影响几乎微
The solid surface of the earth will also deform under the gravitational pull of the moon and the sun. Geographers have long suspected that this will not trigger earthquakes, and now they have finally found the answer. The sun and the moon, especially the moon, will lead to the tides of the oceans and the earth’s crust and upper mantle, which is called the “Earth Tide.” When this tide is the strongest, it lightens the pressure on the plates, causing them to bounce back. However, the model calculation shows that this effect is only one-thousandth of the pressure generated by the normal movement of the plate, so the impact on geological activities is almost negligible