and at Skrokkalda located 50 west of the eruption.
Water is
clearly seen in the fissure (photo
below). The eruptive
activity is now concentrated at two small vents surrounded by a thin
circle of tephra. The eruption plume drifted slowly southwards but
ash fell down from the plume into a
brownish layer of
ash which spread out over southern Iceland
beneath a steady layer of
air, located at 2-3 km height
a.s.l
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