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Erupting lava in crater of Puu Oo vent of Kilauea Volcano in Big Island of Hawaii. July 11, 2007
Pu'u O'o is a dynamic volcanic vent, so you may see different landscapes on its crater depending on when the video was taken. Its geologic features are continuously collapsing and rebuilding over very short periods of time.
More photos and videos:
http://volcanochaser.smugmug.com/
Eruption Update Info:
http://hvo.wr.usgs.gov/