Active volcanoes / Aktive vulkaner:
SURTSEY - Iceland
Jolnir - (bottom of page)







Surtsey, 16.november 1963 - 09.00


Surtsey, 28.november 1963 - 14.06


Surtsey, 28.november 1963 - 14.06



Surtsey, 28.november 1963 - 14.10


Surtsey, 28.november 1963 - 14.15


Surtsey, 03. desember 1963 - 09.30


Surtsey, 03. desember 1963 - 09.30



Surtsey, 03. desember 1963 - 09.42



Surtsey, 03. desember 1963 - 09.50




Surtsey, 08. desember 1963 - 14.25



Surtsey, 08. desember 1963 - 14.25




Surtsey, 08. desember 1963 - 14.30



Surtsey, 14. desember 1963 - 14.50




Surtsey, 25. september 1966



Surtsey, 25. september 1966




Surtsey, 25. september 1966


Jólnir

Jólnir was formerly a volcanic island south of Iceland. It was a vent of Surtsey, along with Syrtlingur and Surtla. It emerged from the ocean as a result of tectonic activity in July, 1966. Oceanic erosion cyclically wore down the new land as it formed, and the island sank below the surface several times.



It was named for Jólnir, a Norse god (usually identified as a second name for Odin).

Jolnir's formation is closely linked to that of neighboring volcanic island, Surtsey, which emerged in 1963.
Volcanic eruptions occurred in much of the surrounding water, but newly formed land was subject to
oceanic erosion and many small islands washed away.


By 1966, Jólnir had broken the surface, and changing composition of the emerging material resulted in hardier
rock forms resistant to erosion. The volcanic cone reached 70 meters above sea level, but even this
landmass eventually gave way to the eroding ocean waves.



After activity ceased on 8 August 1966, it was rapidly eroded, and disappeared below the sea during October 1966.


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