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SUMMARY:A recent subglacial volcanic eruption in West Antarctica - David V
 aughan\, BAS
DTSTART:20071113T110000Z
DTEND:20071113T120000Z
UID:TALK8374@talks.cam.ac.uk
CONTACT:Deb Shoosmith
DESCRIPTION:There is indirect evidence that volcanism influences ice-flow 
 in the West Antarctic ice sheet (WAIS) but mapping of volcanoes here is li
 mited to those that protrude through the ice sheet and those inferred by g
 eophysical techniques.  This talk will present evidence of a recent subgla
 cial volcanic eruption that caused the deposition of ash and tephra over a
 n area about 1/10th the size of Britain.  At present we can only speculate
  at the impact this eruption may have had on ice flow in this\, the most r
 apidly changing\, region of the Antarctic ice sheet.
LOCATION:British Antarctic Survey\, conference room
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