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Tryggvason E. 1995. Optical levelling tilt stations in the
vicinity of Krafla and the Krafla fissure swarm. Obser-
vations 1976 to 1994. Nordic Volcanological Institute,
research report 9505, 218 pp.
Tryggvason E. 2000. Ground deformation at Katla: Results
of precision levelling 1967–1995. Jökull 48, 1– 8.
Sigmundsson, F., Alves, M. M., K. Palsson, J. L. Alvez
and E. Tryggvason 1995. 1993 GPS measurements at
the Furnas volcano: Comparison of L1 and L3 GPS
data for volcano monitoring. In: F. Barberi (ed.). The
European Laboratory Volcanoes, Proceedings of the
International workshop held in Catania Sicily, 18–21
June 1994, European Commission, ECSC-EC-EAEC,
Brussels.
Sigmundsson, F., E. Tryggvason, M. M. Alves, J. L. Alves,
K. Pálsson and H. Ólafsson 1995. Slow inflation of
the Furnas Volcano, São Miguel, Azores, suggested
from initial leveling and global positioning system
measurements. Geophysical Res. Lett. 22, 1681–1684.
https://doi.org/10.1029/95GL01604
Tryggvason, E. 1995. Precision of Tilt-Leveling on Ac-
tive Volcanoes in Iceland. In: Barthemely et al. (eds.).
New challenges for Geodesy in Volcanoes Monitor-
ing, Workshop Proceedings 8, 193, C.E.G.S., Luxem-
bourg.
Nunes, J. C., H. Halldorsson and E. Tryggvason 1995.
Continuously recording tiltmeters at the Furnas vol-
cano. In: Barberi et al. (eds.). The European Labora-
tory Volcanoes, 228–232. ECSC-EC-EAEC, Brussels.
Tryggvason, E. 1996. Precision of ground deformation
observations. In: Barberi et al. (eds.). The Mitiga-
tion of Volcanic Hazards, 365–372. ECSC-EC-EAEC,
Brussels.
Eysteinn Tryggvason 1996. Jarðskjálftar á Norðurlandi.
Árbók Þingeyinga, bls. 57–58, og 65.
Eysteinn Tryggvason 1997. Reynisnes. Árbók Þingeyinga,
bls. 65.
Tryggvason E. 1999. The Krafla center of inflations and
deflations during the years 1975 to 1997. Nordic Vol-
canological Institute, research report 9901, 99 pp.
Tryggvason, E. 2000. Ground deformation at Katla: Re-
sults of precision levelling 1967–1995. Jökull 48, 1–8.
Sturkell, E., P. Einarsson, H. Geirsson, E. Tryggvason,
J. G. Moore and R. Ólafsdóttir 2009. Precision level-
ling and geodetic GPS observations performed on
Surtsey between 1967 and 2002. The Surtsey Research
Society, Surtsey Research 12, 39–47.
Eysteinn Tryggvason 2014. Þingeyskir vesturfarar á
árunum 1860 til 1920. Héraðsskjalasafn Þingeyinga,
E-1364/2, 600 bls.
Eysteinn Tryggvason 2020. Loftslagsbreytingar. Óprentað
erindi hjá Rótarýklúbbi Húsavíkur.
https://www2.rotary.is/wp-content/uploads/2020/09/-
Erindi-Eysteins.pdf
Eysteinn Tryggvason, án ártals. Skrá um Reykdæli.
Óprentað handrit, sjá vefsíðu Jarðvísindastofnunar.
Bæta inn hlekk á skjalið.
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