If the map and the text forecast differs, then the text forecast applies

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Whole country

Preliminary results

Earthquakes during last 48 hours.  at 06 Apr 04:05 GMT

Updated April 4, at 14:55 UTC

GPS measurements indicate that uplift may haveresumed in Svartsengi, as shown in the accompanying figure. The most likelycause is continued magma accumulation beneath Svartsengi, though part of theuplift may be attributed to the effects of the dike formation on April 1. Thisis because when dikes form, they push the crust away on either side. At thisstage, it is difficult to determine the rate of magma accumulation, and it maytake up to a week to assess how it evolves beneath Svartsengi.

Deformation data also shows that movementcontinues at GPS stations around the northern part of the dike, including inVogar and near Keilir. Satellite images showing changes between April 2 and 3at 16:00 confirm this movement. The same data also reveals measurable faultdisplacements of a few millimetres in the eastern part of Grindavík.

Updated 25. March at 15:00 UTC

GPS deformation data shows that magma continues to accumulate beneathSvartsengi, although the pace of land uplift has slightly decreased in recentweeks. Despite the slower uplift, experts still consider it likely that a magmaintrusion and/or eruption will occur along the Sundhnúkur crater row.

At around 14:30yesterday (12 March 2025), a rather intense earthquake swarm began offshore Reykjanestá.The swarm was most intense at the beginning when about 50 – 60 earthquakes wererecorded in the first few hours. As the day progressed, the activity decreasedbut then increased again shortly before midnight when an earthquake ofmagnitude 3.5 occurred. When the activity increased again in the evening, itshifted slightly westward as the image shows (blue circles indicate thelocation of earthquakes that occurred at the beginning of the swarm yesterday,while yellow and red ones show earthquakes from late last evening and night).

A southerly storm or violent storm is expectedlater today and tomorrow, with very strong wind gusts, widely 35 – 45 m/s and especiallynear mountains, but locally exceeding 50 m/s. Considerable or heavy rain isexpected in the south and the west regions of the country. More details can befound here.

The year2024 was remarkably cold compared to temperatures of this century. The nationalaverage temperature was 0.8 degrees below the 1991 to 2020 mean, and it was thecoldest year since 1998. Lowest relative temperature was inland in the North,while it was warmer along the southern coast. The summer was wet across theentire country, but other months of the year were relatively dry. Overall, theyear was drier than average in the eastern, southern, and southwestern parts ofthe country, but wetter than average in the North and West, which experiencedheavy rain during summer. The sea level pressure was unusually low from Junethrough August, and the summer was characterized by frequent low-pressuresystem passage and unfavourable weather. During other seasons, the weather wasrelatively calm, and annual mean seal level pressure and wind speed were aroundaverage.

The first phase of the Icelandic Meteorological Office's (IMO) new website was launched today. This marks the beginning of a major project aimed at renewing both the website and its entire technical infrastructure.

The new weather forecast website is available athttps://gottvedur.is/en/. While the site is still in development, once the renewal of the current website is complete, the new weather pages will be moved to the domainvedur.is.

Spatial distribution of precipitation in Iceland has been estimated with 1 km resolution using an orographic precipitation model.