Seismicity at the Askja volcano and its surroundings, North IcelandSoosalu, Heidi Elisabet; Knox, Clare; White, Robert S.; Einarsson, Pall; Jakobsdottir, Steinunn S.; Sturkell, ErikVolcanic & Magmatic Studies Group, Winter Meeting : Oxford : 4-5 January, 20072007 / p. 27-28