Update on the eruption in Meradalir valley/Fagradalsfjall mountain

This is a short update on Meradalir valley/Fagradalsfjall mountain eruption at 21:25 UTC on 3-August-2022.

Most of the fissure that started erupting at 13:16 UTC in Meradalir valley, just north of the old crater in Geldingadalir in Fagradalsfjalli mountain (Icelandic location names are long) is active after few hours of activity. Earthquake activity is now slowing or stopping almost completely as is the same thing that happened in 2021 after the Fagradalsfjall mountain / Geldingadalir valley eruption started.

The most northern part of the eruption fissure already seems to be shutting down. How fast that happens I don’t know, but there seems to be a crater started to form at the south end of the eruption fissure. At least for now. The news report at Rúv today noted that people where walking over a patch of land that was releasing gas and thermal camera showed the ground to be warmer than normally. This strongly suggests that an eruption might start at those location without warning. I don’t know exactly where those locations are, but they must be in the walking path, placing them south of the 2021 eruption crater.

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Eruption has started in Fagradalsfjall mountain

Today (03-August-2022) at around 13:30 UTC an eruption started in Fagradalsfjall mountain, just north of the eruption site that took place in March to September 2021. The fissure that is now erupting is growing both to south and north. That suggest that the power of the eruption is currently growing.

This is all the information I have at the moment. This eruption is clearly visible on the web cameras that mbl.is has on YouTube, along with web camera from Rúv.

I’ll post new information when I get them. I don’t know when that is going to be.

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Update 1

Based on this image from Morgunblaðið web camera. The eruption started at 13:16 UTC.

Image of an fresh lava field and a small cloud in the left corner coming from the ground were the eruption is starting. Clock on the image is 13:16 UTC
Image from Morgunblaðið web camera when the magma breaks the crust and starts the eruption. Copyright of this image belongs to Morgunblaðið/YouTube screenshot. – This image might be removed if requested.