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The volcano in southwest Iceland has been erupting for 85 days more or less, and until very recently it was erupting every 7-12 minutes, flowing lava for a minute or two, then subsiding. The time between eruptions was long enough for the lava to cool on the surface and the mountain to become dark. Even yesterday, though the eruptions seemed to be a bit closer together, there were long pauses, several minutes, when the mountain went dark.
No more. Something happened. Yesterday or the day before the top of the volcano, a sort of lid over the pool of lava, fell into the lava pool, and pool seemed wider afterwards. This evening when I turned on the video feed the lava flow was steady, changing very little minute to minute, flowing all the time. This means that the flow of lava emerging from the vent must be five to twelve times the flow when the eruptions were sporadic, and it seems in the night shots I see now that much of the lower lakes of lava and pooled material are glowing red and moving.
Posted in Real or Folk Tale? and tagged disaster, eruptions, flooding, geology, Iceland volcano, lava, plate tectonics by Charles Sheldon with no comments yet.