News tagged with subduction zones

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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Piecing together the Pangea puzzle

Two hundred and fifty million years ago, all the major continents were joined together, forming a continent called Pangea (which means "all land" in Greek). The plate thickness of continents can now be measured using seismology, ...

dateJul 30, 2015 in Earth Sciences
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Understanding subduction zone earthquakes

The 26 December 2004 Mw ~9.2 Indian Ocean earthquake (also known as the Sumatra-Andaman or Aceh-Andaman earthquake), which generated massive, destructive tsunamis, especially along the Aceh coast of northern Sumatra, Indonesia, ...

dateJun 24, 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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