Northeast 8-13 m/s in the northwest today, slower wind elsewhere. Intermittent rain, but a few showers in the south after noon. Temperature 8 to 16 deg. C. Becoming dry in Northeast- and East-Iceland in the evening.
Becoming east and northeast 8-15 m/s tomorrow. Rain in Southeast- and East-Iceland, but intermittent rain elsewhere, mainly by late afternoon and in the evening.
Forecast made 01.08.2024 10:24
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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3.3 | 31 Jul 12:58:21 | Checked | 10.2 km SSW of Eldeyjarboði |
3.2 | 31 Jul 21:07:38 | Checked | 136.0 km N of Kolbeinsey |
3.0 | 30 Jul 21:11:09 | Checked | 0.4 km NE of Reykjanestá |
Today at 12:58 a M3.3 was detected on Reykjanes ridge. Earthquakes of this size are common in the area.
Yesterday, 30/7, at 21:11 an earthquake of M3 was on the Reykjanestá, a total of 14 earthquakes have been detected. Small seismic swarms like this is common in the area.
Volcanic unrest in the Sundhnúks crater row.
GPS measurements show that in the last few days the uplift has slowed down slightly. This, along with the increasing seismicity, has been interpreted to indicate that an intrusion event and even an eruption could happen very soon. The likelihood of such an event occurring in the next 7-10 days has increased.
Hazard map and scenarious have been updated, see here.
Written by a specialist at 31 Jul 13:26 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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Jökulhlaup / Glacial outburst flood in eastern Mýrdalsjökull glacier
The glacial flood which started on July 27th is decreasing.
The Civil Protection is now in a uncertainty phase.
Due to technical problems we have turned off the service publishing hydrological data on the map.
Written by a specialist at 30 Jul 12:51 GMT
The avalanche bulletin is at a regional scale. It does not necessarily represent avalanche danger in urban areas.
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Updated 30 July at 13:30 UTC
Yesterday morning, increased microseismicity was detected within the Sundhnúkur crater row. The activity lasted for about 50 minutes and suggests that pressure within the system is increasing. Over the past 2 weeks, the number of earthquakes per day has been increasing.
Model calculations of volume change suggest that enough magma has been recharged to the Svartsengi reservoir to trigger a new event, with an increased likelihood of this occurring within the next 7-10 days.
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 moreThe Icelandic Meteorological Office cooperates with many agencies in related fields. With ongoing environmental changes, long term time-series are becoming increasingly important. These include time series of weather-related factors, such as temperature, rainfall, air pressure and solar and cloud cover, time-series on hydrology, glaciology, sea-ice condition, earthquakes, floods, ice and sediment load in rivers. Such data from IMO is important, providing a benchmark for assessing ongoing changes in the Arctic region.