Convection in Earth's mantle is the "engine" driving plate tectonics. Hot material rises to the Earth's surface from the boundary between the planet's core and mantle, at a depth of about 3000 kilometers. Cold material then ...
Earth Sciences
Sep 9, 2019
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34
The series of 34 small earthquakes between April 2018 and May 2019 occurred within 10 km of two active oil extraction sites at Brockham and Horse Hill in Surrey.
Earth Sciences
Aug 27, 2019
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47
A new study of rocks that formed billions of years ago lends fresh insight into how Earth's plate tectonics, or the movement of large pieces of Earth's outer shell, evolved over the planet's 4.56-billion-year history.
Earth Sciences
Aug 7, 2019
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217
Victor Camp has spent a lifetime studying volcanic eruptions all over the world, starting in Saudi Arabia, then Iran, and eventually the Pacific Northwest. The geology lecturer finds mantle plumes that feed the largest of ...
Earth Sciences
Aug 6, 2019
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654
Volcanic hot spots such as the ones that created the Hawaiian Islands have long been considered stationary points, created by processes deep within the earth's interior.
Earth Sciences
Aug 1, 2019
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154
Deep under the ocean bed, a sinking tectonic plate causes a "swarm" of earthquakes, feeding molten rock into newly forming volcanoes, new research has discovered.
Earth Sciences
Jun 18, 2019
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708
The Canadian Rocky Mountains were formed when the North American continent was dragged westward during the closure of an ocean basin off the west coast and collided with a microcontinent more than 100 million years ago, according ...
Earth Sciences
May 23, 2019
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85
A team of geologists led by João Duarte gave a presentation at this past month's European Geosciences Union meeting that included a suggestion that the Horseshoe Abyssal Plain may represent the start of a new subduction ...
Continental rift valleys are huge fractures on the surface of the planet that progressively break continental plates with the eventual development of new oceans. The African rift valley between Ethiopia and Kenya is a classical ...
Earth Sciences
Mar 22, 2019
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128
A new model built in part by a University of Alberta geophysicist contradicts a long-held idea about how the southern and central central Rocky Mountains were formed.
Earth Sciences
Mar 20, 2019
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