Nighttime Eruption on Anatahan - related image preview

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Nighttime Eruption on Anatahan - related image preview

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Nighttime Eruption on Anatahan

When the satellite passed over Anatahan, it observed variations in thermal radiation (heat) coming from the surface and the atmosphere. Cooler surfaces are darker and warmer surfaces are brighter. The brightest, hottest spot in the scene is the summit caldera of Anatahan Volcano, which has been active off and on since 2003.


NASA image created by Jesse Allen, using data provided courtesy of NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team.

Published February 15, 2008
Data acquired February 7, 2008

Source:
Terra > ASTER