Icelandic media are reporting audible rumbles from Eyjafjallajökull sunday evening.
Earthquake activity is not up, though over the last few weeks there have been some small tremors under the glacier.
No sign of an actual eruption, and no sign of activity under her big sister, Katla.
Yet.
There is a spike in earthquake activity at the northern edge of Vatnajökull by Kistufell.
There are frequently surges of activity up there, it is right along the major line of the North Atlantic Ridge as it goes across the island, and there are at least three major active volcanoes right along there, including Bárðarbunga, which is Europe's largest volcano. Which has been showing some uplift in recent years.
But, no worries.
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Bárðarbunga is arguably the scariest of the 30 or so active volcanoes in Iceland.
Extreme volcanoes don't always have extreme eruptions, but they are scary because they have the capability for extreme events, uniquely so.
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here we go again...
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Icelandic radio is reporting that the eruption at Eyjafjallajökull has shifted gear this morning, possibly down a notch, in a good way.
For now.
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