Eruption are hard to predict, history can tell us something but than again volcano’s have the tendency to change there historical schedule.
Will it be:
Is this only a pause will it erupt again
Eruption approximately every 10 years – last eruption 2000 !
Eruption approximately every 60-80 years – last eruption 1918 !
Grímsvötn (Vatnajökull) ?
Last eruptions 1998 and 2004.
Harmonic tremor was recorded twice around Grímsvötn on 2 and 3 October 2010, potentially indicating an impending eruption. At the same time, sudden inflation was measured by GPS in the volcano, indicating magma movement under the mountain. On 1 November 2010 meltwater from the Vatnajökull glacier was flowing into the lake, suggesting that an eruption of the underlying volcano might be imminent.
Glacier and Stratovolcano Height: 1.651 metres Area: 100 m2
6th larges glacier in Iceland Situated in the South of Iceland
Coordinates : 63°38′N 19°36′W
The eruption starts about 7:00 am 14.april 2010
It was the continuing of the earlier eruption in Fimmvörðuháls but now it is a volcanic subglacial eruption and about twenty times larger.
The eruption where mostly ended at 23.may after 39 days although the area is still geothermally active and might erupt again.
Air travel disruption Ash in the atmosphere led to air travel disruption in northwest Europe for six days from 15 April and in May 2010, airspace over many parts of Europe where closed down.
800 people living near by the volcano where requiring to be evacuated for safety reasons, when the eruption where causing meltwater floods (A jökulhlaup or glacier burst) to rush down the nearby rivers. The jökulhlaup didn’t so ever cause any real harm except for miner damage on roads and bridges.
Farmer and Agriculture living in south of the volcano where heavily disrupted by Ash fall during the eruption and Ash Mist long after the eruption ended. Lighter Ash Mist covered all South Iceland and sometimes in Reykjavik. People where still dealing with some Ash Mist 6 month after the eruption.
Height after the eruption
The crater Magni: 1067 meters
The crater Móði: 1032 meters
Situated in the South of Iceland between the glaciers Eyjafjallajökull and Mýrdalsjökull
Coordinates : 63°38.251′ N 19°26.467′
The eruption in Fimmvörðuháls are sometimes called “The Small Cosy Tourist Eruption”
After a the authority where sure that the eruption are situated in the mountain pass between the two glacier Eyjafjalljökull and
Mýdalsjökull but not under them, and it is relatively small eruption the volcano-tourist-flow starts in a heavy stream.
Icelander and people coming from all over the world, where flying around in helicopters and airplanes, Montaigne Jeep driving in hundreds over the glacier of Mýrdalsjökull, and hiker walking in extreme cold to see the spectacular fire and lave coming up on the surface from deep down under the earth. The Eruption in Fimmvörðuháls even became an subject in British motorcar TV-show.
200 metres high lava fall
The eruption starts with that fissure opened up about 150 meters in length ejecting lava at a temperature of about 1,000 °C up to 150 meters into the air. The molten lava has flowed into the canyon Hrunagil, forming a 200 metres high lava fall.
31 March, a new fissure opened on around 200 metres from the original fissure. Many witnesses were present while the new fissure opened around 300 metres long and lava coming from it started to flow into the canyon Hvannárgil.
Magni and Móði
The eruption ended in 13.april during this 25 days people witnessed, for the first time in history, the formation of a pseudocrater during a steam explosion and the highest lava fall in the world. Two crater where formed and have been named Magni and Móði and are the 82 and 47 meters height from original landscape.
The day after, 14. April the big Eyjafjallajökull eruption start with ejecting ashes into the air and disrupting air travel in Europe.
This two eruption where related and can be considered the same eruption only the Fimmvörðuháls eruption where the foreplay of what was coming.
Large tourist attraction.
Evacuations and air travel disruption For safty reasons people living near by the volcano where requiring to be evacuated and the international airport in Keflavik and the airport in Reykjavik where closed at first until it was clear the eruption was small and harmless.
Lakes covered by its ice cap and beneath them is the magma chamber of a volcano.
Situated the northwestern side of the Vatnajökull glacier
Coordinates : 64°25′12″N 17°19′48″W
This was a short subglacial eruption that ended 7. November only 7.days later.
Eruption in Vatnajökull are likely to provoke some glacier burst (A jökulhlaup or meltwater floods) but didn’t at this time.
No glacial burst followed the eruption.
Grímsvötn is not easily accessible so this eruption didn’t cause any tourist rush to the volcano.
Volcanic ash from the eruption fell as far away as mainland Europe and caused short-term disruption of airline traffic into Iceland.