Month: November 2014

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Bárðarbunga volcano update Friday 07-November-2014

Bad weather in Iceland has been making monitoring of Bárðarbunga volcano difficult at best. Information for that reason is a bit limited at the moment.

Earthquake activity continues in Bárðarbunga volcano as it has been doing for the past two months. Largest earthquake this morning had the magnitude of 5,4 and happened at 07:11 UTC. Other earthquakes have been smaller, due to bad weather in all of Iceland fewer earthquakes have been recorded today and yesterday (06-November-2014).

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Earthquake activity in Bárðarbunga volcano for the past 48 hours. Copyright of this image belongs to Icelandic Met Office.

GPS measurement are showing that subsidence in Bárðarbunga volcano continues at the same rate as before. The rate of subsidence is the same, the change however is that larger area of Bárðarbunga volcano has now started to drop, suggesting that current eruption in Holuhraun has started to drain magma from other dykes in Bárðarbunga volcano or sill in it. The details of this can be found here in latest report from Icelandic Met Office on current activity in Bárðarbunga volcano.

No change has taken place in Holuhraun, the eruption continues with same rate as before far as I know. Bad weather has blocked the web cameras and I don’t think there is anyone close the eruption site due the weather. Far as I know there is nothing else in the news about the activity in Bárðarbunga volcano.

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Bárðarbunga volcano update for Wednesday 05-November-2014

This is current status in Bárðarbunga volcano for Wednesday 05-November-2014.

There has not been any major change in the eruption in Holuhraun since Monday 03-November-2014. The eruption continues around the same phase as before. Earthquake activity continues to be strong as it has been for the past two months. With several magnitude 3 – 4,9 earthquakes happening every day, the amount of earthquakes is different between days.

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Earthquake activity in Bárðarbunga volcano for the past 48 hours. Copyright of this image belongs to Icelandic Met Office.

It continues to be extremely dangerous going to the eruption site as two police men found out yesterday. They hit a pocket of dangerous gases that had removed most of the oxygen in the area where they had located them self, at the edge of the lava field and where some two to three kilometres away from main erupting crater. They almost passed out due to lack of oxygen and they where using gas masks according to the news on Rúv about this insistent.

Drop of the caldera in Bárðarbunga volcano continues at the same rate as before, the most drop is now around 44 meters in the caldera. Cauldrons in the glacier above Bárðarbunga volcano continue to getting deeper, the depth has increased around 5 – 8 meters in the past 11 days according to recent measurements. The amount of melt according to calculations is around 2 cubic meters per second (m³/sec). This is equal to energy release for few hundreds megawatts according to University of Iceland. It is now difficult getting to the eruption site due to winter in the area, travel by car is now at minimum seven hours the other way in best conditions.

Other than this I don’t think there is anything else new about Bárðarbunga volcano eruption at the moment.

Icelandic News

Færð gerir vísindamönnum erfitt fyrir (Rúv.is)
Lögreglumenn urðu fyrir súrefnisskorti (Rúv.is)

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Minor earthquake swarm on the Reykjanes ridge yesterday (04-November-2014)

Yesterday (04-November-2014) an minor earthquake swarm took place on the Reykjanes ridge. Around four earthquakes where recorded.

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The earthquake swarm on the Reykjanes ridge on 04-November-2014. Copyright of this image belongs to Icelandic Met Office.

This is the same location that had a minor earthquakes swarm on 27-October-2014 that I wrote about here. Largest earthquake had the magnitude of 3,3, other earthquakes had smaller magnitudes.

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Bárðarbunga volcano update Monday 3-November-2014

The eruption in Holuhraun continued last weekend as it has been doing for the past two months. No change happened. Due to bad weather this weekend it was difficult to monitor what was happening in Holuhraun. The eruption continues at full force from what I can see on Míla web cameras, when I was viewing it earlier today I noted that lava strokes where going up 20 – 50 meters high up. The main crater has build up around 90 meter high wall around the main eruption, blocking all view to it. I don’t know how stable this wall it, so collapses might happen in it at times without warning.

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Earthquake activity for the past 48 hours in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.

Largest earthquake during the weekend had the magnitude of 5,4. Other earthquakes where smaller, but there was a lot of earthquakes that had magnitude larger than 3,0. This high volume of strong earthquakes continues in Bárðarbunga volcano, so far more than 61 earthquake have been larger then magnitude 5,0, more then 228 earthquakes with magnitude 4 – 5 have happened since this started and more than 434 earthquakes have happened in Bárðarbunga volcano since August. The amount of magma that has erupted in Holuhrauni lava field is now 1,0 km³ (or more). The new lava now covers 70 square kilometre area according to last measurements that I know of. The eruption in Holuhraun is still fourteen times smaller than Laki eruption that happened 1783 – 1784. Far as I know there is currently nothing more to report.

Icelandic News

Stærsta gos síðan í Skaftáreldum (Rúv.is, Icelandic)

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Article updated at 00:37 UTC on 04-November-2014.