News tagged with subduction zones

Source of Northwest's next big quake mapped

A large team of scientists has nearly completed the first map of the mantle under the tectonic plate that is colliding with the Pacific Northwest and putting Seattle, Portland and Vancouver at risk of the largest earthquakes ...

dateNov 02, 2015 in Earth Sciences
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The downs and ups of mountain building

In the D'Entrecasteaux Islands off Papua New Guinea, the rocks are giving rise to new ideas about the ways in which mountain chains form. A new scientific model inspired by data from the islands shows how the seemingly opposite ...

dateAug 20, 2015 in Earth Sciences
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Supercycles in subduction zones

When tectonic plates collide, they produce earthquakes like the recent one in Nepal. Researchers at ETH Zurich are providing new ways to explain how and why earthquake supercycles occur in zones where one plate moves under ...

dateMay 06, 2015 in Earth Sciences
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