The asthenosphere is a 110 miles (180 km) thick layer of the upper mantle that sits between the lower mantle and the lithosphere, according to the U.S. Geological Survey (USGS).

The lithosphere can be divided into large sections known as tectonic plates. These plates move slowly on top of the asthenosphere layer. (Image credit: blueringmedia via Getty Images) ...

The lithosphere is the rigid outermost layer of the Earth. It comprises two compositional units – the crust and the upper mantle. The movement of individual fragments of the lithosphere (the tectonic ...

The mechanism facilitating the smooth movement of the oceanic lithosphere over the underlying asthenosphere (upper mantle) remains poorly understood. Recently, researchers from Japan investigated ...

In contrast, if the asthenosphere is weak owing to volatile enrichment3,4,5,6 or the presence of partial melt7, the lithosphere–asthenosphere boundary could occur over a much smaller depth range.

The mechanism facilitating the smooth movement of the oceanic lithosphere over the underlying asthenosphere (upper mantle) remains poorly understood. Recently, researchers from Japan investigated ...

The lithosphere-asthenosphere boundary (LAB) puts the "plate" in plate tectonics, marking the bottom of the stiff tectonic plates that shift on Earth's surface, riding convection currents deeper ...

The lithosphere-asthenosphere boundary (LAB) puts the "plate" in plate tectonics, marking the bottom of the stiff tectonic plates that shift on Earth's surface, ...

These seismic clues could also provide insights into the geology of Mars, Venus and other planets, scientists added. The Earth's rigid, outermost layer, the lithosphere, is up to 150 miles (250 ...

One type of S-wave reflects from Earth's surface halfway between an earthquake and a seismometer. An S-wave encountering a deeper melt layer at the lithosphere-asthenosphere boundary at this ...

The Crust-Mantle and Lithosphere-Asthenosphere Boundaries: Insights from Xenoliths, Orogenic Deep Sections, and Geophysical Studies edited by Gianluca Bianchini, Jean-Louis Bodinier, Roberto Braga ...