April-2017 is going to be one of those awful bill months for me. As it currently stands I’m in the negative once all the bills are paid. Without donations I would not be able to keep this website running as things currently are. The good news is that this type of situation (me being completely broke) is going to happen less or not at all after June-2017 when the worst of my payment of my debt is over. Then the amount of payment I’m doing monthly is going to drop a little and it is also going to help that I’ve cancelled my cable subscription for good (it’s just useless reruns with advertisements most of the time). The reason for my problem this month is the cable bill, in Denmark they have the bad habit (in my view) of billing people for up to 6 months at the time for a bill (mostly new subscribers), with normal period being 3 months. Currently for me it is difficult to deal with this. I did try to save money for this bill, but that didn’t work out due to other bill where I’m charged for 6 months at the time (this is a bill that I can’t skip or cancel, since this trash collecting and such service).
I take writing on this website seriously as I do with any other job that I have worked in the past. As such I spend most days watching what is happening in Iceland, if not at home, then when I’m outside. Most of the time, as long time readers of this website know, everything is quiet in Iceland most of the time. Unlike many other websites. I don’t have windows jumping at readers when they leave this website with messages like “subscribe to our mail list” or something of that nature. I also try keep advertisement in a such way that I get paid and people can buy stuff from Amazon if they want to and and at the same time without being annoying.
My current financial problems are coming to and end in next few months. They should end by August-2018 I hope if everything goes according to a plan. After that I’ll have less problems, but due to my low income at the moment, I’ll always have some issues with money. Thanks for the support. 🙂
On the 30th of March-2017 there was some minor earthquake activity in Hofsjökull volcano. This was a minor earthquake activity, with the largest earthquake having the magnitude of 1,3 at depth of 4,5 km. The deepest earthquake had magnitude of 1,0 and depth of 10,1 km.
Earthquake activity in Hofsjökull volcano. Copyright of this image belongs to Icelandic Met Office.
I’m not expecting anything more to happen in Hofsjökull volcano. This volcano does not have any known eruption during the last 12.000 years that I know of. I don’t know what the latest research into activity in Hofsjökull volcano says, I was also unable to find any information about possible time frame when last eruption took place in Hofsjökull volcano. As it currently stands, I don’t expect anything more to happen besides maybe one or two extra earthquake appearing in Hofsjökull volcano.
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During the night of 26-March-2017 there was an strong earthquake swarm about 80 km north of Kolbeinsey Island. This is around 250 km from the coast in north Iceland. It is not clear what is happening in this location, since this area has been seeing higher than usual earthquake activity in recent months. This is the largest earthquake swarm so far to take place.
The earthquake swarm as it appears on Icelandic Met Office maps. Green stars are earthquakes with magnitude above 3,0. Copyright of this image belongs to Icelandic Met Office.
Largest earthquakes in this swarm had the following magnitudes. Magnitude 4,6 (EMSC Information here), magnitude 5,0 (EMSC information here), magnitude 4,8 (EMSC information here). The largest earthquakes where not felt due to distance from the coast. It is not possible due to distance to see if there is an eruption taking place at this location. All harmonic tremor get lost due to distance from nearest SIL station. A really large eruption might slightly appear on tremor plot on Icelandic Met Office website, at the moment that has not happened.
The magnitude 5,0 earthquake as it appeared on my geophone in Böðvarshólar. This image is under Creative Commons Licence, please see CC licence for more details.
The magnitude 5,0 earthquake as it appeared on my geophone in Heklubyggð. This image is under Creative Commons Licence, please see CC licence for more details.
It is difficult to know if an earthquake activity is continuing in this area or not. Since the distance from nearest SIL stations does not allow for micro-earthquakes to be detected properly or at all.
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Over the past few months there has been a slight increase in earthquake activity in Grímsvötn (Grímsfjall) volcano. This increase in activity strongly suggests that Grímsvötn are now in later stages of getting ready for an eruption.
Earthquake activity in Grímsvötn (Grímsfjall) volcano. Close to centre in Vatnajökull glacier. Copyright of this image belongs to Icelandic Met Office.
Last eruption in Grímsvötn volcano was in 2011 and that was a VEI=4 eruption and the largest one in at least 140 years. I don’t expect next eruption in Grímsvötn to be a big one, but there is no way to know that for sure until an eruption happens. When that happens is impossible to know for sure. When next eruption happens is something that is not possible to know. All that can be estimated that a new eruption in Grímsvötn volcano is not far into the future.
This graph gives a good idea the time interval betweens eruptions (last eruptions since 2000). Copyright of this image belongs to Icelandic Met Office.
Since 2000 the time between eruptions is around 2200 days on average. That number of days is about to happen soon in Grímsvötn volcano.
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Yesterday (21-March-2017) there was an earthquake swarm in Bárðarbunga volcano. Largest earthquakes where magnitude 3,1 and 3,0. Other earthquakes that happened where smaller in magnitude.
Earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.
There isn’t much to say about this earthquake activity (for those how do not know, please check older articles on Bárðarbunga volcano). This activity is happening due to continued inflation of Bárðarbunga volcano since the eruption ended in February-27 in 2015, inflation started in September that same year. Earthquake activity had started to drop in February, it now appears to be increasing again. When or if that results in a eruption soon is impossible to know.
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All of last week there has been a minor earthquake swarm close to Herðubreið volcano crater. Yesterday (17-March-2017) the earthquake swarm increased from several earthquakes an hour and up to around several dozen earthquakes an hour. Largest earthquake so far had the magnitude of 2,9 but earlier report suggested it had a magnitude of 3,3 it was then downgraded. Since midnight (18-March-2017) around 200 earthquakes have happened. Currently the earthquake swarm is ongoing and this article might get outdated quickly.
The earthquake swarm close to Herðbreið volcano crater (red dots). Copyright of this image belongs to Icelandic Met Office.
I don’t expect an eruption in this area, since currently there isn’t anything suggesting that magma might be responsible for this activity. This part of Iceland is also outside all major volcano areas, but it might possibly leak magma for some unknown reason. Last eruption in this area took place during the last glacier period in Iceland, when exactly is something I don’t know, but it ended 11.700 years ago. Eruption in this area would also create a larger earthquake activity then is currently happening, due the fact the crust in this area is cold and would require a magma to break it before it reached the surface.
This article is going to be updated if needed.
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A small earthquake swarm took place in Tungnafellsjökull volcano during the night of 18-March-2017. All earthquakes that happened where minor in magnitude with many earthquakes having depth from 3 to 13 km.
The earthquake activity in Tungnafellsjökull volcano (yellow dots, north of Bárðarbunga volcano). Copyright of this image belongs to Icelandic Met Office.
It is not clear why this earthquake activity happened in Tugnafellsjökull volcano. This might be a dyke intrusion at depth or it might also just be a stress adjustment in the crust due to the inflation happening in Bárðarbunga volcano. It is not known at the moment if this is due to magma or stress adjustment in the crust. This is the first earthquake activity in Tungnafellsjökull volcano after considerable period of quiet.
During the night (13.March-2017) a magnitude 3,7 earthquake took place in Bárðarbunga volcano. This earthquake happens just few days after a strong earthquake swarm took place in Bárðarbunga (March 8th). There was no other noticeable earthquake activity following the magnitude 3,7 earthquake. Few minor earthquakes took place after the main earthquake.
The earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.
It seems that magnitudes in the earthquakes that are taking place in Bárðarbunga volcano is increasing. The reason for this is inflation in Bárðarbunga volcano, it remains to be seen if this ends in a eruption.
Please remember to support my work with donations. At the moment I’m on what I call “scraping by budget” since I don’t have any money to do anything and I just make it. I expect my money situation to get better from July. I had to make few changes due to problems with billing (see earlier articles). Thanks for the support. 🙂
During the night of 08-March-2017 a strong earthquake swarm took place in Bárðarbunga volcano. Largest earthquake in this swarm had the magnitude of 4,1 and the second largest earthquake swarm had the magnitude of 3,9. Other earthquakes in this swarm where smaller in magnitude.
Earthquake activity in Bárðarbunga volcano (green stars). Copyright of this image belongs to Icelandic Met Office.
Earthquake activity happens in Bárðarbunga volcano mainly due to magma being injected into the main volcano at depth. This goes into magma chambers somewhere in the volcano, current data suggests that the magma chamber that erupted in in August 2014 to February 2015 is currently inflating. The rate of this type of earthquake activity has gone down in Bárðarbunga volcano, this used to be a weekly activity but now only happens every 2 to 4 weeks at the moment. This slowdown in activity is likely to continue if nothing else happens (new eruption or dyke activity).
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Tonight (05.03.2017) an possible dyke intrusion has taken place in Þórðarhyrna volcano. It’s a small volcano south-west of Grímsfjall volcano and on Global Volcanism Program website it is counted with Grímsfjall volcano eruptions. Last eruption in Þórðarhyrna took place in 1902 at the same time there was an eruption in Grímsfjall volcano (size VEI=4). Before that eruption, the earlier eruption in Þórðarhyrna took place in the year (August 15th) 1887 and lasted for two years (ended in 1889).
Possible dyke intrusion in Þórðarhyrna volcano (south-west of Grímsfjall volcano). Copyright of this image belongs to Icelandic Met Office.
Largest earthquake in this swarm had the magnitude of 2,5 and the second largest earthquake in this swarm had the magnitude of 2,4. Other earthquakes where smaller. It is not possible to know how this is going to evolve since there is a lack of data on Þórðarhyrna volcano due the fact no eruption has happened since the year 1902. That means for now, it is just more wait and see what happens next.
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If people want to keep up with articles in real time (in case of an eruption), it is possible to do so with an RSS feed that WordPress supports. Both for new articles and new comments as they appear. Its an alternative with the email list I currently support.