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New page: thumb|300pxThe '''asthenosphere''' is the ductile part of the earth just below the lithosphere, including the lower mantle. The asthenosphere is about 1...
[[Image:Asthenosphere.jpg|thumb|300px]]The '''asthenosphere''' is the ductile part of the earth just below the [[lithosphere]], including the lower [[mantle]]. The asthenosphere is about 180 km thick.<ref>http://earthquake.usgs.gov/learning/glossary.php?term=asthenosphere</ref>
==References==
<references/>
[[Category:Seismology]]
==References==
<references/>
[[Category:Seismology]]