Jökull - 01.01.2019, Qupperneq 71

Sgattoni et al.
Sgattoni, G., Ó. Gudmundsson, P. Einarsson, F. Lucchi,
K.L. Li, H. Sadeghisorkhani, R. Roberts and A. Tryg-
gvason 2017. The 2011 unrest at Katla volcano: char-
acterization and interpretation of the tremor sources. J.
Volcanol. Geotherm. Res. 338, 63–78. https://doi.org/-
10.1016/j.jvolgeores.2017.03.028
Soosalu, H., K. Jónsdóttir and P. Einarsson 2006. Seismic-
ity crisis at the Katla volcano, Iceland – signs of a
cryptodome? J. Volcanol. Geotherm. Res. 153, 177–
186.
Spaans, K., S. Hreinsdóttir, A. Hooper and B.G. Ófeigsson
2015. Crustal movements due to Iceland’s shrinking
ice caps mimic magma inflow signal at Katla volcano.
Sci. Rep. 5, 10285. https://doi.org/10.1038/srep10285.
Stefánsson, R., R. Böðvarsson, R. Slunga, P. Einarsson, S.
Jakobsdóttir, H. Bungum, S. Gregersen, J. Havskov, J.
Hjelme and H. Korhonen 1993. Earthquake prediction
research in the south Iceland seismic zone and the SIL
project. Bull. Seismol. Soc. Am. 83(3), 696–716.
Stevenson, J.A., D.W. McGarvie, J.L. Smellie and J.S.
Gilbert 2006. Subglacial and ice-contact volcanism
at the Öræfajökull stratovolcano, Iceland. Bull. Vol-
canol. 68, 737–752. https://doi.org/10.1007/s00445-
005-0047-0.
Sturkell, E., P. Einarsson, F. Sigmundsson, H. Geirsson,
H. Ólafsson, R. Pedersen, E. de Zeeuw-van Dalfsen,
A.T. Linde, S.I. Sacks and R. Stefánsson 2006. Vol-
cano geodesy and magma dynamics in Iceland. J. Vol-
canol. Geotherm. Res. 150, 14–34. https://doi.org/-
10.1016/j.jvolgeores.2005.07.010.
Sturkell, E., P. Einarsson, M.J. Roberts, H. Geirsson, M.T.
Guðmundsson, F. Sigmundsson, V. Pinel, G.B. Guð-
mundsson, H. Ólafsson and R. Stefánsson 2008. Seis-
mic and geodetic insights into magma accumulation
at Katla subglacial volcano, Iceland: 1999 to 2005. J.
Geophys. Res. 113(B03212).
Sveinsson, G. 1919. Kötlugosið 1918 og afleiðingar thess
(The Katla eruption of 1918 and its consequences).
Reykjavík, Prentsmiðja Gutenbergs, pp. 61.
Sæmundsson, K. 1982. Calderas in active volcanic regions
in Iceland (in Icelandic). Eldur er í Norðri, Reykjavík,
Sögufélag, 221–239.
Thorarinsson, S. 1975. Katla og annáll Kötlugosa. Árbók
Ferðafélags Íslands. Reykjavík, 125–149.
Thordarson, Th. and G. Larsen 2006. Volcanism in Iceland
in historical time: Volcano types, eruption and erup-
tive history. J. Geodyn. 43, 118–152. https://doi.org/-
10.1016/j.jog.2006.09.005
Thordarson, T., D.J. Miller, G. Larsen, S. Self and H. Sig-
urðsson 2001. New estimates of sulfur degassing and
atmospheric mass-loading by the 934 AD Eldgjá erup-
tion, Iceland. J. Volcanol. Geotherm. Res. 108, 33–54.
Tuffen, H. and J.M. Castro 2009. The emplacement of
an obsidian dyke through thin ice: Hrafntinnuhrygg-
ur, Krafla Iceland, J. Volcanol. Geotherm. Res. 185(4),
352–366.
Tuffen, H., D.W. McGarvie, H. Pinkerton, J.S. Gillbert
and R.A. Brooker 2008. An explosive-intrusive sub-
glacial rhyolite eruption at Dalakvisl, Torfajokull, Ice-
land. Bull. Volcanol. 70, 841–860.
Tuffen, H., J. Gilbert and D.W. McGarvie 2001. Products
of an effusive subglacial rhyolite eruption: Bláhnúkur,
Torfajökull, Iceland. Bull. Volcanol. 63, 179–190.
Vogfjörð, K. and R. Slunga 2008. Imaging subsurface mass
movement through relative earthquake locations in the
Katla volcano, Iceland, and the possible location of a
magma chamber. Reykjavík, Iceland, IAVCEI General
Assembly.
Weaver, C.S. and S.D. Malone 1979. Seismic evidence
for discrete glacier motion at the rock-ice interface. J.
Glaciol. 23, 171– 184.
Wessel, P., W.H.F. Smith, R. Scharroo, J.F. Luis and
F. Wobbe 2013. Generic Mapping Tools: Improved
version released. Eos Trans. AGU, 94, 409–410.
https://doi.org/10.1002/2013EO450001
West, M.E., C.F. Larsen, M. Truffer, S. O’Neel and
L. LeBlanc 2010. Glacier microseismicity. Geology
38(4), 319–322. https://doi.org/10.1130/G30606.1.
Wynn, P.M., D.J. Morrell, H. Tuffen, P. Barker, F.S.
Tweed and R. Burns 2015. Seasonal release of anoxic
geothermal meltwater from the Katla volcanic system
at Sólheimajökull, Iceland. Chem. Geol.| 396, 228–
238. https://doi.org/10.1016/j.chemgeo.2014.12.026.
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