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  • NASA infrared image of Mount St Helens from 2004
    Rights: NASA Published 2 September 2010 Size: 50 KB Referencing Hub media

    Infrared images taken on 1 October 2004 in southern Washington revealed signs of heat below the mountain's surface. The blue part shows snow cover, orange and yellow indicate the rock type and lava age, and the red reveals heat.

    Acknowledgement: NASA/courtesy of

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