A hiker walks along a road near Manitou Springs, Colorado, where an exposed outcrop shows a feature known as the “Great Unconformity.”Credit: Rebecca Flowers A…
Posts published in “Tectonic Plates”
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[embedded content]Earthquakes that occur more than 300 kilometers below the Earth are poorly understood. UC Davis geophysicist Magali Billen modeled stresses in a sinking tectonic…
An artistic cross-section through forming crust approximately 3-4 billion years ago. The presence or absence of plate tectonics during this time is a topic of…
Different layers within the Earth have differing compositions and densities. Credit: © 2020 Kelvinsong – CC BY-SA 3.0 In an effort to investigate conditions found…
Earth’s molten core may be leaking iron, according to researchers at UC Davis and Aarhus University, Denmark. The new study suggests heavier iron isotopes migrate…
Recent seafloor drilling has revealed that the ‘hidden continent’ of Zealandia — a region of continental crust twice the size of India submerged beneath the…
Japan’s risk of giant tsunamis may have grown when the angle of a down-going slab of ocean crust declined. In this image the ocean crust…
Spatial distribution of PEGS signal strength during the Tohoku quake in 2011, shortly before the arrival of the primary seismic wave. Credit: Earth and Planetary…
Mount St. Helens Volcano Nearly 40 years ago, analog data tapes faithfully recorded intense seismic activity in the two months before the historic eruption of…