Iceland

Volcano Eyjafjallajökull

   March/April 2010 

N. Fischer, M.Fulle, Th.Boeckel

in deutsch

Cinema

Video Sakura Jima, Suwanose Jima


After the last helicopter flight brought the only view to the volcano the next flight was booked due to the good weather prognosis for the 4/17/2010. But another phenomenon could be observed during the nights of the 16th to the 18th of April 2010.

Martial quarrel in the house of Odin ?

Eruption flashover lightning gallery

Eyjafoell Eruption 2010 by Thorsten Boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckeltb

Eyjafoell Eruption 2010 by Thorsten Boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckeltb

Following the old saga Odin had a lot of concubines, and may the reason for this sparkly spectacle was a strong martial quarrel in his residence. Who was really starting the trouble, we could not find out in a distance of 15 km. Or may it was Thor, who throw the thunderbolt which has here the meaning of the volcano under fearing flash lightning from heaven to the earth several times. To experience such a spectacle in the sense of the saga gave us a real feeling standing in front of a godlike show.

Eyjafoell Eruption 2010 by Thorsten Boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckeltb

Eyjafoell Eruption 2010 by Thorsten Boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckeltb

Eyjafoell Eruption 2010 by Thorsten Boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckeltb

But what was the reason for this flashover lightning in such a dimension? In the starry nights of the 4/16th to the 4/18th we could observe that the lava fountains with an estimated height of 300m and also good visible with the naked eye, was surrounded with hundreds of 'micro flashes' (up to 10 per second, new unit fls/s) at the beginning of a strong dynamic push. The impulse took place for ca. two minutes.

Eyjafoell Eruption 2010 by Thorsten Boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckeltb

When a lava push ended the flash appearance expanded to the entire plume. Huge flashes with a length of may 4-6 km twitched sometimes in a low altitude over the whole glacier surface every 5-10 seconds at the first night. Some flashes left the cloud and took course in the free space around. Than, always after a lightning phase a break up to 10 minutes occurred. During this time, sporadic lightings could be seen too, - till the next lava push started again.

Eyjafoell Eruption 2010 by Thorsten Boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckeltb

Eyjafoell Eruption 2010 by Thorsten Boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckeltb

Remarkable to observe was, that particular bright and strong flashes twitched between the two high active vents (more I couldn't recognise) from the crater to a height of may 1-2 km. May the reason was the different electrostatic potential which did balance themselves out by taking the 'short way'. Than, in the further way the two different clouds of different consistence (scroll down to the daylight exposures) were mixed together in the big plume and caused a big electric chaos. The behaviour of the eruptions let conclude on this reason and may underline this theory. Suggestions are welcome.

 Eruption of Volcano Eyjafjalla, Island 2010 by Th. boeckel   Eyjafoell Eruption 2010 by Thorsten Boeckel   Eruption of Volcano Eyjafjalla, Island 2010 by Th. boeckeltb

And this in addition. During we got overwhelmed with the spectacular glittering phenomena over the volcano; an aurora bow about 160° did appear around 2:00 o’clock in the morning of the 4/17th. I made the comparisons with piano keyboards which wrote nice coloured melodies in the starry night sky. Sometimes they appeared more intensive, - sometimes the streamer moved fast, - than they disappeared again,- and appeared at another place. But the reality on the ground was hard. In which direction I should fix the camera? If I take the aurora I’ll miss a lot of lightnings, vice versa I would miss my first aurora. By a comfortable temperature of -7C° and a strong wind in the wide plain I denied installing up the backup camera. But with a record ominous high speed changing of positions I may find a good compromise.

 Around the Eyjafjalla 

4/17/2010

Eruption of Volcano Eyjafjalla, Island 2010 by Th. boeckel  Eruption of Volcano Eyjafjalla, Island 2010 by Th. boeckel  Eruption of Volcano Eyjafjalla, Island 2010 by Th. boeckel

Eruption of Volcano Eyjafjalla, Island 2010 by Th. boeckel  Eruption of Volcano Eyjafjalla, Island 2010 by Th. boeckel  Eruption of Volcano Eyjafjalla, Island 2010 by Th. boeckel

Eruption of Volcano Eyjafjalla, Island 2010 by Th. boeckel  Eruption of Volcano Eyjafjalla, Island 2010 by Th. boeckel  Eruption of Volcano Eyjafjalla, Island 2010 by Th. boeckel


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Island 2010, by Martin Rietze Eyjafoell Eruption 2010 by Thorsten Boeckel Eyjafoell Eruption 2010 by Thorsten Boeckel Eruption Eyjafjalla Volcano, Islan2010, by Thorsten Boeckel
Fissure Eruption Lightning Ice and Fire
Crater Strokkur

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© 2010, Photos & Text (Eyjafjalla), Thorsten Boeckel, last modification 05/08/2010