For the first time in history, scientists have managed to record a tectonic plate breaking apart beneath the ocean floor. The phenomenon was observed off the coast of Vancouver Island, Canada, in the Cascadia region, where the Juan de Fuca and Explorer plates are fragmenting beneath the North American plate.
The discovery, published in the journal Science Advances, provides an unprecedented view of the beginning of the end of a subduction zone—an area where one plate plunges beneath another, generating volcanoes and earthquakes. “This is the first time we have a clear image of a subduction zone on the verge of extinction,” stated geologist Brandon Shuck of Louisiana State University (USA),…more
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