Jökull - 01.01.2014, Blaðsíða 78

Ingi Þ. Bjarnason
Bjarnason, I. Th. and H. Schmeling 2009. The litho-
sphere and asthenosphere of the Iceland hotspot from
surface waves. Geophys. J. Int. 178, 394–418, doi:
10.1111/j.1365-246X.2009.04155.x
Björnsson, S. and P. Einarsson 1981. Jarðskjálftar –
„Jörðin skalf og pipraði af ótta“, (in Icelandic).
Náttúra Íslands (2. útgáfa), Almenna bókafélagið,
Reykjavík, 121–155.
Björnsson, H. 1988. Hydrology of Ice Caps in Volcanic
Regions. Soc. Sci. Islandica 45, Reykjavík, 139 pp.
Björnsson, H. and P. Einarsson 1990. Volcanoes be-
neath Vatnajökull, Iceland: Evidence from radio echo-
sounding, earthquakes and jökulhlaups. Jökull 40,
147–168.
Björnsson, H. and M. T. Guðmundsson 1993. Variations
in the thermal output of the subglacial Grímsvötn
Caldera, Iceland. Geophys. Res. Lett. 20, 2127–2130.
Brandsdóttir, B. 1984. Seismic activity in Vatnajökull in
1900–1982 with special reference to Skeiðarárhlaups,
Skaftárhlaups and Vatnajökull eruptions. Jökull 34,
141–150.
Browning, J. and A. Gudmundsson, 2015. Caldera faults
capture and deflect inclined sheets: an alternative
mechanism of ring dyke formation. Bull. Volc. 77:889,
doi:10.1007/s00445-014-0889-4.
Brune, J. N. 1970. Tectonic stress and the spectra of seis-
mic shear waves from earthquakes. J. Geophys. Res.
75, 4997–5009. Correction in J. Geophys. Res. 1971,
76, 5002.
Burchardt, S. and T. R. Walter 2009. Propagation, linkage,
and interaction of caldera ring-faults: comparison be-
tween analogue experiments and caldera collapse at
Miyakejima, Japan, in 2000. Bull. Volcanol. 72, 297–
308, doi:10.1007/s00445-009-0321-7.
Burchardt, S., D. Tanner, V. Troll, M. Krumbholz and
L. Gustafsson 2011. Three-dimensional geometry of
concentric intrusive sheet swarms in the Geitafell and
the Dyrfjöll Volcanoes, Eastern Iceland. Geochem.
Geophys. Geosyst. 12(7): Q0AB09.
Carpinteri, A. and M. Paggi 2005. Size-scale effects on the
friction coefficient. J. Solid Struct. 42, 2901–2910.
Darbyshire, F. A., I. Th. Bjarnason, R. S. White and
Ó. G. Flóvenz, 1998. Crustal structure above the
Iceland mantle plume, imaged by the ICEMELT
refraction profile. Geophys. J. Int. 135,1131–1149,
doi:10.1046/j.1365-246X.1998.00701.x.
Das, S. and B. V. Kostrov 1986. Fracture of a single as-
perity on a finite fault: A model for weak earthquakes,
in Earthquake Source Mechanics, AGU, Geophysical
Monograph Series 37, edited by Das, S., J. Boatwright
and C. H. Scholz. 91-96, doi: 10.1029/GM037p0091.
Einarsson, P. 1991. Earthquakes and present-day tectonism
in Iceland. Tectonophys. 189, 261–279.
Einarsson, P., B. Brandsdóttir, M. T. Guðmundsson, H.
Björnsson, K. Grönvold and F. Sigmundsson 1997.
Center of the Iceland Hotspot experiences volcanic un-
rest. Eos Transactions AGU 78, 369, 374–375.
Einarsson, P. and B. Brandsdóttir 1984. Seismic activity
preceding and during the 1983 volcanic eruption in
Grímsvötn, Iceland. Jökull 34, 13–23.
Einarsson, P. and K. Sæmundsson, 1987. Earthquake epi-
centers 1982–1985 and volcanic systems in Iceland
(Upptök jarðskjálfta 1982–1985 og eldstöðvakerfi á
Íslandi), map in: Í hlutarins eðli, Festschrift for Þor-
björn Sigurgeirsson (ed. Þ. Sigfússon), Menningar-
sjóður.
Einarsson, Þ. 1962. Askja og Öskjugosið 1961 (The
Askja caldera and 1961 eruption, in Icelandic). Nátt-
úrufræðingurinn 32 (1), 1–18.
Ekström, G., R. S. Stein,. J. P. Eaton and D. Eberhart-
Phillips 1992. Seismicity and geometry of a 110-km
long blind thrust fault, 1. The 1985 Kettleman Hills,
California, earthquake. J. Geophys. Res. 97, 4843–
4864.
Ekström, G. 1994. Anomalous earthquakes on volcano
ring-fault structures. Earth Planet. Sci. Lett. 128, 707–
712.
Ekström, G., M. Nettles and A. M. Dziewonski 2012. The
global CMT project 2004–2010: Centroid moment
tensors for 13,017 earthquakes. Phys. Earth Planet.
Inter. 200–201, 1–9, doi:10.1016/j.pepi.2012.04.002
Evans, J. R. and I. S. Sacks 1980. Lithospheric structure
in the North Atlantic from observations of Love and
Rayleigh waves. J. Geophys. Res. 85, 7175–7182.
Fichtner, A. and H. Tkalc̆ić 2010. Insights into the kine-
matics of a volcanic caldera drop: Probabilistic finite-
source inversion of the 1996 Bárdarbunga, Iceland,
earthquake. Earth Planet. Sci. Lett. 297, 607–615.
Foulger, G. R., M. J. Pritchard, B. R. Julian, J. R. Evans,
R. M. Allen, G. Nolet, W. J. Morgan, B. H. Bergsson,
P. Erlendsson, S. Jakobsdottir, S. Ragnarsson, R. Stef-
ansson and K. Vogfjörd 2001. Seismic tomography
shows that upwelling beneath Iceland is confined to
the upper mantle. Geophys. J. Int. 146, 504–530.
Franzson, H. 1978. Structure and petrochemistry of the
Hafnarfjall-Skardsheiði central volcano and the sur-
rounding basalt succession, W-Iceland. Ph.D. thesis,
78 JÖKULL No. 64, 2014