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The asthenosphere is the highly viscous, mechanically weak and ductilely deforming region of ... The thickness of the asthenosphere depends mainly on the temperature. In some regions the asthenosphe...

How thick is the asthenosphere? | Reference.com


The asthenosphere has no exact size, but the United States Geological Survey estimates it is approximately 111.85 miles (180 kilometers) thick. It is highly ...

The Layers of the Earth - Planet Earth


The Earth's crust thickness is 30 km thick. The temperature ... The temperature of the lithosphere and asthenosphere is 300 to 500 degrees celsius. The mantles ...

Structure of the Earth - HyperPhysics


... of the Earth is but one half the thickness of one leaf of a thousand-page book. ... The lower level of the mantle is called the asthenosphere and it is softer and ...

Crust and Mantle vs. Lithosphere and Asthenosphere


asthenosphere, and mesosphere (we usually don't discuss this last layer) represent ... usually 5-10 km thick and continental crust is 33 km thick on average .

10(h) Structure of the Earth - Physical Geography


The mantle which surrounds the core and has a thickness of 2900 kilometers. ... upper mantle, 100 to 200 kilometers below surface, is called the asthenosphere.

Earth Structure


The crust: low density silicate rock, 5-70 km thick. ... The upper and lower boundaries of the asthenosphere are diffuse as they involve gradual changes in the ...

Information about Earth's Layers


The oceanic crust on the other hand is only about 7 km thick and considerably ... Since the asthenosphere is more liquid than the rest of the mantle, the broken ...

Basics--Earth's Interior - Wenatchee Valley College


Sep 11, 2013 ... Earth's crust varies in thickness from less than 5 km (under mid-ocean ... Why, then, is the asthenosphere soft and the lithosphere rigid?

Asthenosphere | Define Asthenosphere at Dictionary.com


Asthenosphere definition, the region below the lithosphere, variously ... several hundred miles (eighty-five to several hundred kilometers) thick, in which the rock  ...

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Earthquake Glossary - asthenosphere


The asthenosphere is the ductile part of the earth just below the lithosphere, including the upper mantle. The asthenosphere is about 180 km thick.

asthenosphere Facts, information, pictures | Encyclopedia.com ...


Make research projects and school reports about asthenosphere easy with ... These plates tend to be about 60 mi (100 km) thick and many thousands of miles  ...

Earth's Crust, Lithosphere and Asthenosphere - Windows to the ...


May 21, 2008 ... Crust, the upper layer of the Earth, is not always the same. Crust under the oceans is only about 5 km thick while continental crust can be up to ...