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Caldera 1725 m (5,659 ft)
Iceland, 64.42°N / -17.33°W
(2 out of 5)
Grímsvötn volcano eruptions:
ca. 1310, 1332, 1341, 1354(?), ca. 1370, ca. 1390, ca. 1430, ca. 1450, ca. 1470, ca. 1490, ca. 1510, ca. 1530, 1598, 1603, 1619, 1629, 1638, 1659, 1681, 1684-85, 1706, 1716, 1725, 1753, 1768, 1774, 1783-85
(Laki fissure eruption: the largest historically known effusive eruption), 1794(?), 1796(?), 1816, 1823, 1838, 1854, 1861(?), 1867, 1873, 1883, 1887-89, 1891-92, 1897, 1902-04, 1922, 1933, 1934, 1934, 1938, 1939(?), 1941(?), 1945, 1948(?), 1954, 1972(?), 1983, 1984(?), 1996, 1998, 2004 (Nov.), 2011 (21-26 May)
Typical eruption style:
Effusive, explosive magma-water/ice reaction.
Produces notorious and frequent floods of melt-water bursts from the glacier (jökulhlaups).
News from Grímsvötn volcano, Iceland:
Thu, 1 Oct 2020, 13:30
The Aviation Color Code for the volcano was raised to "yellow"
GPS station at Grimsvötn volcano (image: @gislio/twitter)
, as an increase of seismic activity has been recorded. Read more... read all
Wed, 17 Jun 2020, 07:13
Sampling of gas released from Grimsvötn volcano in June (photo: IMO/Melissa Anne Pfeffer)
One of Iceland's most active volcanoes might be getting ready for a new eruption. Recent observations by scientists from the Icelandic Met Office (IMO) monitoring the sub-glacial volcano lead to this conclusion, IMO reported in a recent press release. Read more... read all
Thu, 27 Mar 2014, 22:42
Earthquakes under Grímsvötn volcano, probably a result of the glacial flood (Icelandic Met Office)
A small jökulhlaup (glacier outburst flood) started yesterday from the subglacial lake Grímsvötn and has been discharging into the river Gígjukvísl. Read more... read all
Tue, 31 Jan 2012, 00:01
A small glacial flood occurred at Grimsvotn volcano in Iceland on 29 January 2012. The cause of the flood was probably not volcanic, but strong rainfalls and unusually high temperatures that caused melting of large amounts of snow. The flood damaged parts of the Ring Road between Núpsvötn and Gígjukvísl in the Skeiðarársandur flood plain and and east of Gígjukvísl.
Thu, 26 May 2011, 05:21
The eruption at Grimsvötn that started off violently last Saturday 21 May seems to be ending (or at least pausing) as ash emissions have dropped to near zero this morning. Read more...
Wed, 25 May 2011, 08:25
The ash plume from the Grimsvötn eruption has now reached northern Germany, forcing hundreds of flights in and out Hamburg and Berlin to be cancelled today (25 May).
Tue, 24 May 2011, 07:43
The explosive eruption of Grimsvötn volcano continues, but the height of the ash plume has significantly dropped and is estimated 5-7 km this morning 24 May. Read more...
Mon, 23 May 2011, 06:29
The ash plume from the large and still ongoing subglacial eruption of Grimsvötn volcano has caused heavy ash fall and shredded much of the country in darkness over the weekend. At the moment, most flights to and from Iceland are cancelled. Read more... read all
Sun, 22 May 2011, 04:41
A new eruption started at Grimsvötn volcano, located under the Vatnajökull icecap late on 21 May yesterday evening at around 17h15 local time. Read more... read all
Wed, 3 Nov 2010, 16:47
Signals of a possible impending eruption at Grimsvötn volcano under the icecap of Vatnajökullremain remain uncertain. Scientist measured an increase in seismic tremor at Grimsvötn, probably caused by the meltwater flow increase, but no volcanic tremor. The composition of the meltwater indicates that much of the water has been melted caused by increased geothermal heat flow. No other signs of an impending eruption are detectable (so far).
Mon, 1 Nov 2010, 23:14
Grímsvötn volcano on Iceland might be heating up to a new eruption. Recently, it has been observed that the amount of glacial meltwater from Grímsvötn emerging from under the thick ice cap of Vatnajökull covering the massive volcano has doubled. Read more...
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