Jolnir (or Jólnir) was formerly a volcanic island south of Iceland. 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. A small island in the Adriatic sea An island is any piece of land smaller than a continent and larger than a rock, that is completely surrounded by water. ... Bridge across the Álfagjá rift valley in southwest Iceland, the boundary of the Eurasian and North American continental tectonic plates. ... Look up July in Wiktionary, the free dictionary. ... 1966 (MCMLXVI) was a common year starting on Saturday (the link is to a full 1966 calendar). ... Severe soil erosion in a wheat field near Washington State University, USA. Erosion is the displacement of solids (soil, mud, rock and other particles) by the agents of wind, water or ice, by downward or down-slope movement in response to gravity or by living organisms (in the case of...

It was named for Jolnir, a Norse god (usually identified as a second name for Odin). Norse or Scandinavian mythology comprises the pre-Christian religion, beliefs and legends of the Scandinavian people, including those who settled on Iceland, where the written sources for Norse mythology were assembled. ... Odin (Old Norse Óðinn) is considered the chief god in Norse mythology and Norse paganism, like the Anglo-Saxon Woden continuing Proto-Germanic *Wōdinaz or *Wōđanaz. ...

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, Jolnir 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. Surtsey, sixteen days after the onset of the eruption Surtsey (Icelandic: Surturs island) is a volcanic island off the southern coast of Iceland. ... 1963 (MCMLXIII) was a common year starting on Tuesday (the link is to a full 1963 calendar). ... This article is about volcanoes in geology. ... Severe soil erosion in a wheat field near Washington State University, USA. Erosion is the displacement of solids (soil, mud, rock and other particles) by the agents of wind, water or ice, by downward or down-slope movement in response to gravity or by living organisms (in the case of... The metre, or meter (symbol: m) is the SI base unit of length. ...

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

External links

• Photograph and brief description from United States Armed Forces newspaper Stars and Stripes.
• University of North Dakota page about Surtsey and Jolnir
• Brief description from Dartmouth, at the bottom.