Rumble Down Below

April 2008
Weekly Reader News - Senior;4/25/2008, Vol. 86 Issue 26, p6
The article offers information on the Caetano caldera, a sunken area at the top of a volcano in northern Nevada. A caldera is a part of a supervolcano that has never erupted before. The caldera lies on faults, or rock layers that shift in the earth's crust. The layers have tilted the land thus making the inside of the volcano visible.


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