) that a volcanic eruption
seemed inevitable.
Multidisciplinary Monitoring
of the Eruption
At 1930 UTC on 1 November, seismicity in-
creased again. By 2000 UTC, earthquakes were
continuously occurring and seismic tremor on
nearby stations soared (Figure 3), suggesting
the beginning of a volcanic eruption.
On this premise, IMO sent a warning at 2010
UTC to the NCPA and OACC that a subglacial
/media/jar/myndsafn/2005EO260001.pdf
to “bookshelf” type
faulting. In June 2000, two large earthquakes of magnitudes ML6.4 and ML6.5 struck in the
SISZ, three and a half days and approximately 17 km apart. Seismicity greatly increased in
all Southwest Iceland and during 2000, roughly nineteen thousand microearthquakes were
recorded there. The aim of this research is to relocate the earthquakes using a double-
difference relative
/media/vedurstofan/utgafa/skyrslur/2010/2010_003rs.pdf
A
A
A
A
A
Vatnajökull
Mýrdalsjökull
Hofsjökull
Langjö k
ull
Drangajökull
VHM-66
VHM-19 VHM-10 VHM-145
VHM-64
VHM-26
0 10050 Km
A Gauging StationWatershedGlacier
A
m.a.s.l1 - 200200 - 400400 - 600600 - 800800 - 10001000 - 12001200 - 14001400 - 16001600 - 18001800 - 2000
Figure 1. Topography of Iceland and location of watersheds considered here.
Table 1. Characteristics of the considered watersheds. Letter
/media/vedurstofan/utgafa/skyrslur/2013/VI_2013_008.pdf
for more than 80 years in most parts of the country.
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Additional material and references:
Trausti Jónsson og Hilmar Garðarsson 2001. Early Instrumental Meteorological Observations in Iceland. Climatic Change 48, 169-187.
Ogilvie, A. E. J. og Trausti Jónsson, 2000. ’Little Ice Age’ Research: A Perspective from Iceland. Climatic Change. 48 9-52.
Páll Bergþórsson 1969a. An estimate
/climatology/articles/nr/1138
for more than 80 years in most parts of the country.
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Additional material and references:
Trausti Jónsson og Hilmar Garðarsson 2001. Early Instrumental Meteorological Observations in Iceland. Climatic Change 48, 169-187.
Ogilvie, A. E. J. og Trausti Jónsson, 2000. ’Little Ice Age’ Research: A Perspective from Iceland. Climatic Change. 48 9-52.
Páll Bergþórsson 1969a. An estimate
/climatology/articles/nr/1138/
offshore north Iceland
1.10.2013
Two earthquakes reaching magnitude 3 and 3.2 occurred this morning at 06:14 and 07:41 offshore North Iceland, 10 km NW of Gjögurtá.
They are a part of swarm activity which has been ongoing since September 25. Roughly 1000/about-imo/news/nr/2757
October 2013 off shore North Iceland. Roughly 1000 earthquakes have been recorded in the swarm. Topography of seabed: Bryndís Brandsdóttir, Institute of Earth Sciences, University of Iceland.
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/about-imo/news/bigimg/2757