Southerly or variable wind 3-10 m/s today. Mostly cloudy and some scatered light rain. Increasing rain in South- and West-Iceland in the afternoon. Temperature widely 10 to 15 deg. C.
Southeast 5-13 tomorrow and rain, but mostly dry in the northeast part and becoming warmer there. Increased wind and rain in the south part tomorrow evening.
Forecast made 27.07.2024 04:58
If the map and the text forecast differs, then the text forecast applies
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Preliminary results
Size | Time | Quality | Location |
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2.9 | 27 Jul 02:51:13 | 54.9 | 166.0 km NNE of Kolbeinsey |
2.1 | 25 Jul 10:41:34 | Checked | 1.2 km SSE of Hrómundartindi |
1.9 | 26 Jul 19:09:59 | 90.0 | 10.9 km ENE of Eldeyjarboði |
Volcanic unrest in the Sundhnúks crater row. Ground deformation continues, and magma accumulation under Svartsengi has persisted at a steady rate in recent weeks. Based on the volume loss observed during diking on 29 May, and continued subsidence during the first week of the May-June eruption, it is estimated that a volume between 13 to 19 million cubic meters needs to be recharged before the next event is triggered. According to model calculations, the total recharge volume is likely to approach 16 million cubic meters in the coming days. New magma intrusion and an eruption is considered highly probable within the next two to three weeks, provided the magma inflow rate to the Svartsengi reservoir remains stable.
Hazard map and scenarious have been updated, see here.
Written by a specialist at 27 Jul 05:00 GMT
Earthquake activity throughout the country is described in a weekly summary that is written by a Natural Hazard Specialist. The weekly summary is published on the web every Tuesday. It covers the activity of the previous week in all seismic areas and volcanic systems in the country. If earthquake swarms are ongoing or significant events such as larger earthquakes have occurred during the week, they are specifically discussed. More
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Rivers from Mýrdalsjökull
An increase in conductivity has been observed in rivers around Mýrdalsjökull. The cause is most likely an increase in geothermal water in the affluence from the glacier. A sulfuric smell has been detected in the rivers around Mýrdalsjökull as well higher concentration of gas in the gas detectors by Laguhvolar. People are advised to stay away from rivers flowing from Myrdalsjökull glacier at this moment.
Due to technical problems we have turned off the service publishing hydrological data on the map.
Written by a specialist at 27 Jul 06:48 GMT
The avalanche bulletin is at a regional scale. It does not necessarily represent avalanche danger in urban areas.
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Southwest corner
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Northern Westfjords
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Tröllaskagi
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Eyjafjörður (experimental)
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Eastfjords
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Updated 23 July at 18:00 UTC
Ground deformation continues, and magma accumulation under Svartsengi has persisted at a steady rate in recent weeks. Based on the volume loss observed during diking on 29 May, and continued subsidence during the first week of the May-June eruption, it is estimated that a volume between 13 to 19 million cubic meters needs to be recharged before the next event is triggered. According to model calculations, the total recharge volume is likely to approach 16 million cubic meters in the coming days. There is some uncertainty in these calculations, but a new magma intrusion and an eruption is considered highly probable within the next two to three weeks, provided the magma inflow rate to the Svartsengi reservoir remains stable.
Read moreToday marks one month since the beginning of the eruption that is ongoing at the Sundhnúkur crater row. The eruption, which began on the evening of March 16, is the fourth in a series of eruptions that started when magma began accumulating beneath Svartsengi in late October 2023.
Read moreYesterday (25 March) a seismic swarm occurred in the NW part of the Askja caldera. About 30 earthquakes were detected between 08.00UTC and midday. The largest earthquake detected had a magnitude M3,5 at a depth of about 5 km. Three earthquakes with magnitudes between M2 and M2,5 were also detected, the rest of the activity was characterized by smaller events. Overall, the seismic activity in the Askja has been quite stable between months and unchanged until yesterday. Looking back, we can see that earthquakes with magnitude above M3 were detected in January 2022 and October 2021.
Read moreThe 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.
Read moreOn 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.
Read moreUpdated 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.
Read moreIceland enjoys a much milder climate than its name and location adjacent to the Arctic circle would imply.
Read more