The supervolcano at Yellowstone park..................in mostly Wyoming.........but parts of Idaho and Montana..............and very close to the Gran Tetons...................are probably part of the Pacific plate.......

1. Images for layers of the earthReport images
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   More images for layers of the earth

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Interactives. Dynamic Earth. Earth's Structure

www.learner.org/.../dynamicearth/structure.html

Annenberg Media

Interactives -- Dynamic Earth, Pick another interactive: ... They discovered that it is made up of these distinct layers: the crust, the mantle, and the core. ERROR

Earth Science - Layers - Science Monster by Cool math ...

www.sciencemonster.com/earth-science/layers-of-the-earth.html

A Lesson about the Layers of the Earth - Crust, Mantle, Outer Core, and Inner Core.

Structure of the Earth - Wikipedia, the free encyclopedia

en.wikipedia.org/wiki/Structure_of_the_Earth

Wikipedia

The interior structure of the Earth is layered in spherical shells, like an onion. Theselayers can be defined by either their chemical or their rheological properties.

The Earth's Inside

www.colorado.edu/physics/.../inside.html

University of Colorado Boulder

The earth is divided in to four layers:CRUST, MANTLE, OUTER CORE and INNER CORE. ... Echo-sounding techniques are used to explore the Earth's crust.