Jökull - 01.01.2010, Side 66

Martens et al.
seismic events. PhD dissertation, University of Cam-
bridge, 224 pp.
Eccles, J. D., R. S. White and P. A. F. Christie 2009. Iden-
tification and inversion of converted shear waves: case
studies from the European North Atlantic continental
margins. Geophys. J. Int. 179, 381–400.
Einarsson, P. and B. Brandsdóttir 1980. Seismological evi-
dence for lateral magma intrusion during the July 1978
deflation of the Krafla volcano in NE-Iceland. J. Geo-
phys. 47, 160–165.
Hasegawa, A., D. Zhao, S. Hori, A. Yamamoto and S. Ho-
riuchi 1991. Deep structure of the northeastern Japan
arc and its relationship to seismic and volcanic activ-
ity. Nature 352, 683–689.
Hjaltadóttir, S., K. Vogfjörð and R. Slunga 2009. Seis-
mic signs of magma pathways through the crust in the
Eyjafjallajökull volcano, South Iceland. Icelandic Me-
teorological Office report VÍ 2009–013, 33 pp.
Hooper, A., B. Ófeigsson, F. Sigmundsson, H. Geirsson,
P. Einarsson and E. Sturkell 2009. Is magma gener-
ated due to retreating ice caps, likely to erupt? Con-
straints on lower-crustal stress in Iceland from InSAR.
Proceedings FRINGE Workshop, Frascati.
Jakobsdóttir, S. S., M. J. Roberts, G. B. Guðmundsson, H.
Geirsson and R. Slunga 2008. Earthquake swarms at
Upptyppingar, north-east Iceland: a sign of magma in-
trusion? Stud. Geophys. Geod. 52, 513–528.
Jakobsdóttir, S. S. 2008. Seismicity in Iceland: 1994–
2007. Jökull 58, 75–100.
Klein, F. W. 2002. User’s guide to Hypoinverse-2000, a
FORTRAN program to solve for earthquake locations
and magnitudes. U. S. Geol. Surv. Open File Rep. 02-
171, 1–123.
Maccaferri, F., M. Bonafede and E. Rivalta 2010. A nu-
merical model of dyke propagation in layered elastic
media. Geophys. J. Int. 180, 1107–1123.
Pedersen, R. and F. Sigmundsson 2004. InSAR based
sill model links spatially offset areas of deformation
and seismicity for the 1994 unrest episode at Eyja-
fjallajökull volcano, Iceland. Geophys. Res. Lett. 31,
L14610.
Pedersen, R. and F. Sigmundsson 2006. Temporal devel-
opment of the 1999 intrusive episode in the Eyjafjalla-
jökull volcano, Iceland, derived from InSAR images.
Bull. Volc. 68, 377–393.
Rubin, A. M. and D. Gillard 1998. Dike-induced earth-
quakes: Theoretical considerations. J. Geophys. Res.
103, 10,017–10,030.
Sigmundsson, F., S. Hreinsdóttir, A. Hooper, T. Árnadóttir,
R. Pedersen, M. J. Roberts, N. Óskarsson, A. Auriac,
J. Decriem, P. Einarsson, H. Geirsson, M. Hensch, B.
G. Ófeigsson, E. Sturkell, H. Sveinbjörnsson and K.
L. Feigl 2010. Intrusion triggering of the 2010 Eyja-
fjallajökull explosive eruption. Nature 468, 426-430.
Slunga, R., S. T. Rögnvaldsson and R. Böðvarsson 1995.
Absolute and relative locations of similar events with
application to microearthquakes in southern Iceland.
Geophys. J. Int. 123, 409–419.
Smith, K. D., D. von Seggern, G. Blewitt, L. Preston, J. G.
Anderson, B. P. Wernicke and J. L. Davis 2004. Evi-
dence for deep magma injection beneath Lake Tahoe,
Nevada-California. Science 305, 1277–1280.
Soosalu, H., J. Key, R. S. White, C. Knox, P. Einars-
son and S. S. Jakobsdóttir 2010. Lower-crustal earth-
quakes caused by magma movement beneath Askja
volcano on the north Iceland rift. Bull. Volc. 72, 55–
62.
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. Seism. Soc. Am. 83, 696–716.
Wadati, K. 1933. On the travel time of earthquake waves,
II. Geophys. Mag. 7, 101–111.
Waldhauser, F. 2001. HypoDD: A computer program to
compute double-difference hypocenter locations. U. S.
Geol. Surv. Open File Rep. 01–113, 25 pp.
Waldhauser, F. and W. L. Ellsworth 2000. A double-
difference earthquake location algorithm: Method and
application to the Northern Hayward Fault, California.
Bull. Seism. Soc. Am. 90, 1353–1368.
White, R. S., J. Drew, H. R. Martens, J. Key, H. Soos-
alu and S. S. Jakobsdóttir 2011. Dynamics of dyke in-
trusion in the mid-crust of Iceland. Earth Planet. Sci.
Lett. in press.
Wright, T. J. and F. W. Klein 2006. Deep magma transport
at Kilauea volcano, Hawaii. Lithos 87, 50–79.
Wright, T. J., C. Ebinger, J. Biggs, A. Ayele, G. Yirgu, D.
Keir and A. Stork 2006. Magma-maintained rift seg-
mentation at continental rupture in the 2005 Afar dyk-
ing episode. Nature 442, 291–294.
66 JÖKULL No. 60