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posted by mrpg on Wednesday March 21 2018, @08:30AM   Printer-friendly
from the amen dept.

Volcanic eruption influenced Iceland's conversion to Christianity

Memories of the largest lava flood in the history of Iceland, recorded in an apocalyptic medieval poem, were used to drive the island's conversion to Christianity, new research suggests.

A team of scientists and medieval historians, led by the University of Cambridge, has used information contained within ice cores and tree rings to accurately date a massive volcanic eruption, which took place soon after the island was first settled. Having dated the eruption, the researchers found that Iceland's most celebrated medieval poem, which describes the end of the pagan gods and the coming of a new, singular god, describes the eruption and uses memories of it to stimulate the Christianisation of Iceland. The results are reported in the journal Climatic Change.

[...] The Cambridge-led team pinpointed the date of the eruption using ice core records from Greenland that preserve the volcanic fallout from Eldgjá. Using the clues contained within the ice cores, the researchers found that the eruption began around the spring of 939 and continued at least through the autumn of 940. [...] Iceland's most celebrated medieval poem, Vǫluspá ('The prophecy of the seeress') does appear to give an impression of what the eruption was like. The poem, which can be dated as far back as 961, foretells the end of Iceland's pagan gods and the coming of a new, singular god: in other words, the conversion of Iceland to Christianity, which was formalised around the turn of the eleventh century.

The Eldgjá eruption: timing, long-range impacts and influence on the Christianisation of Iceland (open, DOI: 10.1007/s10584-018-2171-9) (DX)


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  • (Score: 3, Funny) by khallow on Wednesday March 21 2018, @11:24AM (3 children)

    by khallow (3766) Subscriber Badge on Wednesday March 21 2018, @11:24AM (#656041) Journal
    Depends on the composition of the eruption. The key factor is silica content since it is the principle contributor (other than temperature) to high viscosity which in turn controls the release of volatile gases from the lava and explosive nature of the lava. Icelandic lava tends to be low silica and high temperature, and hence, very low viscosity, releasing its volatiles relatively peacefully (though explosive eruptions are far from unheard of). Religion is merely a common component of these volatile compounds, other examples, being things like water, carbon dioxide, hydrochloric acid, sulfur dioxide, fluorine, etc, and regionally dependent. So in Europe, one tends to see a lot of releases of Christianity in major eruptions, Islam in Middle East and North Africa eruptions, etc.

    In this light, atheism is well known to be a principle component of mid-ocean ridge eruptions (well, aside from Iceland that is, which is close enough to Europe), which is why no major religions have started in the depths of the oceans.
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  • (Score: 2) by coolgopher on Wednesday March 21 2018, @10:48PM

    by coolgopher (1157) on Wednesday March 21 2018, @10:48PM (#656374)

    Phaugh! The Old One would dispute the "no major" part, surely.

    Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn.

  • (Score: 2) by driverless on Thursday March 22 2018, @04:34AM (1 child)

    by driverless (4770) on Thursday March 22 2018, @04:34AM (#656480)

    It also depends on the volcano. I mean look at that woosy name, "Eldgja", no wonder they all became Christians. It'd take an eruption from, at least, SkaftafellaÞingeyjarstrandahrafnarfjörðaneskaupstaðahúnavatnasnæfellsjokull to convert them to the worship of almighty Cthulhu. "Eldgja" is just some wannabe god's volcano.

    • (Score: 2) by driverless on Thursday March 22 2018, @04:37AM

      by driverless (4770) on Thursday March 22 2018, @04:37AM (#656481)

      Incidentally, the last part of that name is pronounced something close to "yokult", just in case it's causing any non-Icelandic speakers difficulty.