2010, as seen at 12:00 GMT at an elevation of 3-3.6 km (10-12,000 ft). Light
coloured, low-lying
clouds of steam were observed over the eruption
site, together with occasional
bursts of grey to
black-
coloured cloud, which rise to up to half of the total height of the eruption plume.
Above this level, the plume was lighter in
colour with a
capping of white
cloud (not visible here
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