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 iceland is not only located on a divergent tectonic plate boundary (the mid-atlantic ridge) but also on a hotspot, which are believed to be the result of plumes rising from the earth's mantle, meaning it would have volcanic activity even if it weren't for the tectonic plates
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Nov 11, 2023 05:40
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| # ¿ May 17, 2024 02:20 |
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dr_rat posted:So should everyone in iceland currently be jerking off just in case they suddenly get Pompeii, so future archeologists can laugh at them?  volcanic eruptions can be thought of as falling into two main types in terms of activity: explosive and effusive.explosive eruptions are characterized by the forceful release of high-pressure gas and rock fragments into the atmosphere, while effusive eruptions are characterized by a slower, non-explosive outpouring of lava from the volcano explosive eruptions are usually associated with viscous magma that does not flow easily. when the gas in this type of magma increases to the point of setting off an eruption, they can be some of the most violent mankind has ever witnessed, such as the 1980 eruption of Mount St. Helens, the 1991 eruption of Mount Pinatubo, and of course the eruption of Mount Vesuvius in 79 AD. on the other hand, effusive eruptions are associated with low-viscosity magma that flows easily. when these eruptions happen, the lava (though still very dangerous) can just bubble up and flow down the volcano's slopes, even attracting tourists and spectators the current volcanic activity is occurring in the Reykjanes Peninsula, which is characterized by basaltic volcanism. basaltic magma is typically low in viscosity and has a relatively low gas content, which makes it more likely to produce an effusive eruption than the kind that encased the inhabitants of Pompeii and Herculaneum in ashfall and pyroclastic surge deposits so no, probably not (that being said, it is important to note that predicting volcanic eruptions is a complex and challenging task, and, though rare, basaltic volcanism can result in explosive eruptions, such as the 1886 eruption of Mount Tarawera on the north island of new zealand)
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Nov 11, 2023 06:57
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