SKEIDARARJOKULL, ICELAND
September 14, 2007
Volcanic ash layers in the Skeidararjokull, a major outlet glacier draining the Vatnajokull Icecap. Iceland’s glaciers trap ash from the island’s frequent volcanic eruptions, in a testament to the glacier’s role as recorders of their environment. These ash layers were deposited centuries ago during major eruptions, primarily from the Grinsmvotn Caldera, during the 17th and 18th centuries.
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