Category: Bárðarbunga

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Earthquake in Bárðarbunga volcano during the night

Today (27-June-2022) at 05:49 UTC an earthquake with magnitude of Mw3,3 took place in Bárðarbunga volcano. This is an earthquake because of continued inflation of Bárðarbunga volcano after the eruption between 2014 and 2015.

Green star and a red dot in Bárðarbunga volcano in Vatnajökull glacier
Earthquake activity in Bárðarbunga volcano in Vatnajökull glacier. Copyright of this image belongs to Icelandic Met Office.

This earthquake activity in Bárðarbunga volcano is going to continue until the day the magma chamber is filled up again and that might take 10 to 70 years. There are going to be few earthquakes like this every year in Bárðarbunga volcano, with time the earthquakes are going to get fewer and instead get larger in magnitude.

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Strong earthquake in Bárðarbunga volcano this morning

Today (28-May-2022) at 08:06 UTC an earthquake with magnitude of Mw4,4 or Mw4,7 (EMSC information can be found here) took place in Bárðarbunga volcano.

Green star and red dots in Vatnajökull glacier where Bárðarbunga volcano is located in north-west part of the edge of the glacier. Red dots showing deep earthquakes to the south-east of Bárðarbunga volcano
Earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.

This earthquake activity is because of inflation in Bárðarbunga volcano magma chamber. That was emptied after the eruption in 2014 – 2015 and that resulted in collapse of Bárðarbunga volcano by drop of some 60 meters. This inflation now is reversing that process slowly. It is going to be decades until Bárðarbunga volcano erupts again because of this collapse.

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Earthquake activity in Bárðarbunga volcano

This morning an earthquake swarm took place in Bárðarbunga volcano. This earthquake activity is because of inflation of Bárðarbunga volcano. Largest earthquake had a magnitude of Mw4,1. Other earthquakes where smaller in magnitude.

Green star in eastern part of Bárðarbunga volcano showing the activity. Few red dots showing smaller earthquakes in western part of Bárðarbunga volcano.
Earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.

This earthquake activity is normal since the end of the eruption in Bárðarbunga volcano in February 2015 it has been inflating. This earthquake activity is going to change and longer time is going to be between larger earthquakes. This type of earthquake activity is only going to go down to 1 to 2 earthquakes a year in next few years. Then down to one earthquake every few years.

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Strong earthquake in Bárðarbunga volcano

At 10:11 UTC today (22-February-2022) an earthquake with magnitude of Mw4,8 (Icelandic Met Office) or Mw5,0 (EMSC) took place in Bárðarbunga volcano.

Two green stars in Bárðarbunga volcano showing the strong earthquake activity in the volcano. Two smaller dots show smaller earthquakes.
Earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.

Yesterday (21-February-2022) at 14:08 UTC there had been a earthquake with magnitude of Mw3,0 in Bárðarbunga volcano, along with few smaller earthquakes. This earthquake activity shows that Bárðarbunga volcano continues to inflate after the eruption in the year 2014 to 2015. It is impossible to know when next eruption happens in Bárðarbunga volcano, it might be 10 years from now or 100 years from now. Last eruption in Bárðarbunga volcano before the 2014 eruption was in the year 1902.

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Earthquake swarm in Bárðarbunga volcano

Today (29-December-2021) at 14:46 UTC an earthquake with magnitude of Mw3,6 (Icelandic Met Office) or magnitude of mb4,5 (EMSC website information here).

Green star in Vatnajökull galacier in Bárðarbunga volcano. Few red dots show smaller earthquakes that also happened in Bárðarbunga volcano
Earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.

This earthquake activity is normal and is because of inflation that is now happening in Bárðarbunga volcano. Eruption is not going to happen now. It might be few more years or few more decades until that happens.

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Strong earthquake in Bárðarbunga volcano this morning

At 07:20 UTC today (6-November-2021) an earthquake with magnitude of Mw4,0 took place in Bárðarbunga volcano. A swarm of smaller earthquakes happened in the same area before and after the strongest earthquake.

Green star in Bárðarbunga volcano shows the location of the Mw4,0 earthquake.
Earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.

This earthquake activity shows that Bárðarbunga volcano continues to inflate after the eruption in 2014 to 2015. This does not indicate that an eruption is about to happen. A lot more earthquake activity and time has to happen before an new eruption happens in Bárðarbunga volcano.

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Strong earthquake activity in Bárðarbunga volcano

After a long while of not writing about Bárðarbunga volcano it is now time for new article.

On 27-July-2021 at 19:02 UTC an earthquake with magnitude of Mw3,9 took place in Bárðarbunga volcano. At 22:12 UTC an earthquake with magnitude of Mw4,5 took place in eastern part of Bárðarbunga volcano.  EMSC is reporting this earthquake as mb4,8. That information can be found here.

Earthquake activity in Bárðarbunga voclano shown by two green stars. One little to the west and the second one to the east in the rim of the main caldera.
Earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.

This earthquake activity in Bárðarbunga volcano is because there is now inflation going on in Bárðarbunga volcano. This inflation is going to continue until there is a new eruption. When that happens is impossible to know.

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Earthquake activity in Bárðarbunga volcano

Yesterday (12-May-2021) at 15:47 UTC an earthquake with magnitude of Mw3,5. This earthquake was in the normal area of Bárðarbunga volcano caldera. This earthquake activity is connected to inflation of Bárðarbunga volcano that started after the end of Holuhraun eruption in 2015.

Green star in Bárðarbunga volcano caldera and few red dots east of Bárðarbunga volcano showing new deep dyke activity taking place. Image is from 13:20 today (13-May-2021).
Earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.

There has been a slow drop in earthquake activity during the last few months and it is unclear why that is. Eruptions in Bárðarbunga volcano can be as short apart in time as 18 years or less. The 1996 eruption in Gjálp fissure was from Bárðarbunga volcano, that places the time between eruptions 1996 and 2014 at 18 years.

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Strong earthquake in Bárðarbunga volcano

During the night of 13-February 2021 an earthquake with magnitude of Mw4,0 took place at 02:30 UTC. This earthquake is normal and is because of inflation in Bárðarbunga volcano after the eruption ended in 2015.

Green star shows the location of the magnitude 4,0 earthquake in Bárðarbunga volcano that is located in north-west part of Vatnajökull glacier.
Earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.

There is one of this earthquakes in Bárðarbunga volcano every few months and last earthquake with magnitude Mw3,9 took place on 21-December-2020 in Bárðarbunga volcano. This type of earthquake activity is going to continue in Bárðarbunga volcano for decades until next eruption happens in 20 to 100 years.