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Piping Hot River of Rocks Hidden Under Caribbean Sea Hides Secret to How Earthquakes are Triggered

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Houston Uni geologists discover powerful river of rocks below Caribbean -- Science & Technology -- Sott net

© Chen, YW., Colli, L., Bird, D.E. et al. An image of the Earth s warped surface of the Caribbean shows its tilted due to the east-flowing mantle underneath the Caribbean that pushes up the western Caribbean. Study finds flows in softer layer under tectonic plates are stronger, faster In this image, the warped amount of the surface is due to the opening of the Central American gateway that allowed hot material to flow through. (a) Before 8.5 million years ago, hot material was upwelling under the Galapagos from deep inside the Earth, but was blocked out of the Caribbean because of a curtain of subducting plate. (b) A gateway opened at 8.5 million years ago allowing the hot material to flow through. (c) Today, the hot material reaches midway between Central America and the Lesser Antilles, tilting up the bottom of the Caribbean sea by about 300 m (1,000 ft).

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