Jökull - 01.01.2019, Qupperneq 52

Historical accounts of pre-eruption seismicity in Iceland
lega forboða, nægilega greinilega til að vara fólk við.
Fornleifauppgröftur í Öræfum gefur vísbendingar um
að fólk hafi verið flutt að heiman áður en gosið 1362
náði hámarki og eyddi byggðinni.
REFERENCES
Bárðarson, G. 1930. Vulkan-ausbrüche in Island. I. Vulkan-
ausbrüche in der Gegend der Hekla im Jahre 1913 (in Ger-
man). Societas Scientiarum Islandica, Gutenberg, Reykjavík,
1–31.
Bjarnason, I.Th. 2008. An Iceland hotspot saga. Jökull 58, 3–16.
Björnsson, A., K. Sæmundsson, P. Einarsson, E. Tryggvason and
K. Grönvold 1977. Current rifting episode in north Iceland.
Nature 266, 318–323.
Björnsson, H., F. Pálsson and M.T. Guðmundsson 2000. Surface
and bedrock topography of the Mýrdalsjökull ice cap, Ice-
land: The Katla caldera, eruption sites and routes of jökul-
hlaups. Jökull 49, 29–46.
Björnsson, S. and P. Einarsson 1981. Jarðskjálftar - "Jörðin skalf
og pipraði af ótta". Náttúra Íslands (2. útgáfa). Almenna
bókafélagið, Reykjavík, 121–155.
Brandsdóttir, B. 1984. Seismic activity in Vatnajökull 1900–1982
with special reference to Skeiðarárhlaups, Skaftárhlaups and
Vatnajökull eruptions. Jökull 34, 141–150.
Brandsdóttir, B. 1992. Historical accounts of earthquakes asso-
ciated with eruptive activity in the Askja volcanic system.
Jökull 42, 1–12.
Brandsdóttir, B. and W. Menke 2008. The seismic structure of
Iceland. Jökull 58, 17–34.
Einarsson, B.F. 2008. Bær við Salthöfða: eyðibýli í Öræfum.
Fornleifafræðistofan, Reykjavík.
Einarsson, P. 1991a. Earthquakes and present-day tectonism in
Iceland. Tectonophysics 189, 261–279.
Einarsson, P. 1991b. Umbrotin við Kröflu 1975–1989 (The ac-
tivity of Krafla 1975–1989, in Icelandic). In: Náttúra Mý-
vatns, (ed. Árni Einarsson og Arnþór Garðarsson), Hið Íslen-
ska Náttúrufræðifélag, 97–139.
Einarsson, P. 2008. Plate boundaries, rifts and transforms in Ice-
land. Jökull 58, 35-58.
Einarsson, P. 2018. Short-term seismic precursors to Ice-
landic eruptions 1973–2014. Front. Earth Sci. 6:45.
https://doi.org/10.3389/feart.2018.00045
Einarsson, P. and K. Sæmundsson 1987. Earthquake epicenters
1982–1985 and volcanic systems in Iceland (map). In: Í
hlutarins eðli, Festschrift for Þorbjörn Sigurgeirsson, ed.
Þorsteinn Sigfússon, Menningarsjóður, Reykjavík.
Einarsson, P. and B. Brandsdóttir 2000. Earthquakes in the Mýr-
dalsjökull area, Iceland, 1978-1985: Seasonal correlation and
connection with volcanoes. Jökull 49, 59–73.
Einarsson, P. and Á.R. Hjartardóttir 2015. Structure and tectonic
position of the Eyjafjallajökull volcano, S-Iceland. Jökull 65,
1–16.
Finnsson, H. 1767. Efterretning om Tildragelserne ved Bierget
Hekla udi Island i April og fölgende Maaneder 1766. Köben-
havn, 1767 (Report on the events at Mt. Hekla in Iceland in
April 1766 and following months. In Danish). Referenced in
Thorarinsson (1967).
Geirsson, H., P. LaFemina, T. Árnadóttir, E. Sturkell, F. Sig-
mundsson, M. Travis, P. Schmidt, B. Lund, S. Hreinsdóttir
and R. Bennett 2012. Volcano deformation at active plate
boundaries: Deep magma accumulation at Hekla volcano
and plate boundary deformation in south Iceland. J. Geophys.
Res. 117, B11409. https://doi.org/10.1029/2012JB009400.
Geirsson, H., M.M. Parks, B.G. Ofeigsson, V. Drouin, S. Li, F.
Sigmundsson, Th. Árnadóttir, A.R. Hjartardottir, M. Láren-
tínusdóttir, P. Einarsson, P. Schmidth, F. Pálsson, A. Hooper
and K. Jónsdóttir 2018. Reawakening of the Öræfajökull vol-
cano in Iceland: deformation signals of stress triggers and
intrusive activity. European Geosciences Union, General As-
sembly, Vienna, April 8–13, 2018. EGU2018-15438.
Gudmundsson, H.J. 1998. Holocene glacier fluctuations and
tephrochronology of the Öræfi district, Iceland. Unpublished
PhD thesis, University of Edinburgh, 272 pp.
Gudmundsson, M.T., G. Larsen, Á. Höskuldsson and Á.G. Gylfa-
son 2008. Volcanic hazards in Iceland. Jökull 58, 251–268.
Guðmundsson Ó., B. Brandsdóttir, W. Menke and G.E. Sigvalda-
son 1994. The crustal magma chamber of the Katla vol-
cano in south Iceland revealed by 2-D seismic undershooting.
Geophys J. Int. 119, 277–296.
Hjartardóttir, Á.R., P. Einarsson, E. Bramham and T.J. Wright
2012. The Krafla fissure swarm, Iceland, and its for-
mation by rifting events. Bull. Volc. 74, 2139–2153.
https://doi.org/10.1007/s00445-012-0659-0.
Hjartardóttir, Á.R., P. Einarsson and S.G. Björgvinsdóttir 2016a.
Fissure swarms and fracture systems within the Western Vol-
canic Zone, Iceland – effects of spreading rates. J. Struct.
Geol. 91, 39–53. https://doi.org/10.1016/j.jsg.2016.08.007.
Hjartardóttir, Á.R., P. Einarsson, M.T. Guðmundsson and
Th. Högnadóttir 2016b. Fracture movements and graben
subsidence during the 2014 Bárðarbunga dike intru-
sion in Iceland. J. Volc. Geoth. Res. 310, 242–252.
https://doi.org/10.1016/j.jvolgeores.2015.12.002.
Íslenskir annálar 1847. Hafniae. Sumptibus legati Arnae-
Magnaeni. https://ia601406.us.archive.org/14/items/-
slenzkirannlars00sigugoog/slenzkirannlars00sigugoog.pdf
Jakobsdóttir, S.S. 2008. Seismicity in Iceland 1994-2007. Jökull
58, 75–100.
Jakobsson, S.P. 1979. Petrology of Recent basalts of the Eastern
Volcanic Zone, Iceland. Acta Naturalia Islandica 26, 1–103.
Jeddi Z., A. Tryggvason, Ó. Gudmundsson, 2016. The Katla vol-
canic system imaged using local earthquakes recorded with
a temporary seismic network. J. Geophys. Res. Solid Earth
121, 7230–7251. https://doi.org/10.1002/2016JB013044.
Jóhannesson, H. 1989. Aldur Hallmundarhrauns í Borgarfirði
(The age of the Hallmundarhraun lava in Borgarfjörður, in
Icelandic). Fjölrit Náttúrufræðistofnunar, Institute of Natu-
ral History, Reykjavík, 12 pp.
JÖKULL No. 69, 2019 51