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Eruptive activity is relatively stable. - 18.3.2024

Updataed 18. March at 18:30 UTC

The Icelandic Meteorological Office has updated the hazard assessment to account for the latest data. The new hazard assessment takes effect today, Monday, March 18, and is valid until March 20, unless the situation changes. Zone 3 (the Sundhnúkur crater row), where the volcanic eruption is still ongoing, remains unchanged, with the hazard level remaining very high. The hazard level is assessed to remain high in Zone 1 (Svartsengi) due to gas emissions and lava flows. The same applies to Zone 4 (Grindavík), where the danger due to sinkholes above fissures, fault movements, lava flows, and gas emissions is considered high. Zone 5 has been downgraded to considerable risk (orange) and Zone 7 is now downgraded to some risk.

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The weather in Iceland in 2023 - 26.2.2024

The weather in 2023 was mostly favorable. It was calm, dry, relatively little snow and stormy days were quite uncommon. However, the year was cooler compared to the most recent years. The average nationwide temperature was 0.1°C colder than the average temperature between 1991 and 2020, and 0.4°C colder than the average temperature of the last ten years. It was relatively coldest in the North, while the Southwest and Southern coast were relatively warmer. The weather was particularly cold in the beginning of the year and again in March. June, on the other hand was exceptionally warm in the North and East. It was the warmest June on record in many places in those regions. The year was relatively dry, with precipitation below average across most of the country. There were several dry periods during the year, such as in March and July, but there were also periods of heavy rain in between. May and June were particularly wet and gloomy in the southern and western regions.

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New understanding of ultra-rapid formation of magma filled cracks in the Earth - 8.2.2024

On 10 November 2023 the town of Grindavík in Iceland was evacuated as massive amounts of magma suddenly flowed into a magma filled crack that propagated underneath the town. Magma was emplaced in a 'vertical sheet' type intrusion in the Earth's crust. An international team of scientists explains the formation of the intrusion, and conditions for ultra-rapid flow into cracks, in a new publication in the prestigious scientific journal Science.

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Conclusion of Grímsvötn Glacial Outburst Flood - 23.1.2024

Updated 23 January at 9:00 UTC

Since the glacial flood reached its peak in the river Gígjukvísl approximately a week ago, the water level has been decreasing and is now comparable to what it was before the flood. The seismic tremor measured on the seismometer at Grímsfjall has also declined, with seismic noise now back to normal levels. Since last week Monday, 21 earthquakes have been recorded in Grímsvötn, including two earthquakes exceeding magnitude two.

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