Update on the Mw5,2 earthquake south of Hekla volcano

The earthquake today (11-November-2021) at 13:21 UTC with the magnitude of Mw5,2 seems to align it self with faults that are part of SISZ rather than being part of Hekla volcano system. The high frequency tone on 2 – 4Hz that I did see on few nearby SIL stations has started to lower again after the main earthquake. Earthquake activity in the area is currently dropping but it might increase again without warning.

Continue reading “Update on the Mw5,2 earthquake south of Hekla volcano”

Early information: Magnitude Mw5,2 earthquake in Hekla volcano system

This is early information but it seems that a magnitude Mw5,2 or larger earthquake took place in Hekla volcano system at 13:21 UTC. This might be a start of an eruption in Hekla volcano, but currently it is too early to know for sure. This is inside Hekla volcano system in a area called Vatnafjöll that have regularly erupted.

Earthquake activity in Hekla volcanos system in a area that is called Vatnafjöll. Copyright of this image belongs to Icelandic Met Office.

It is not possible to know what is going to happen next in this area. But there is a risk of a magnitude Mw7,0 earthquake. If that is going to happens is impossible to know.

Earthquake activity in Hekla volcano

Around 06:00 few minor earthquakes took place in Hekla volcano. This is unusual since Hekla volcano normally doesn’t have earthquakes until an eruption is just about to start. No eruption happened and currently there are no signs that an eruption is about to start.

Earthquake activity in western part of Hekla volcano. Shown by few orange dots on this image.
The earthquake activity in western part of Hekla volcano. Copyright of this image belongs to Icelandic Met Office.

What is going on is difficult to know but this might just be a pressure change or a fault line giving in to pressure changes. The last earthquake had the time 09:36 UTC and since then there has been no additional earthquake activity in Hekla volcano. That might change without warning as has happened before in history of Hekla volcano.

Fagradalsfjall mountain eruption

I am delaying an article about the eruption in Fagradalsfjall mountain. There might be something going on there but I don’t know what yet, if there is anything going on to start with. The area has been hidden in fog all day making estimation on what is going on impossible.

Minor earthquake activity in Hekla volcano

Today (8-October-2019) there has been a minor earthquake activity in Hekla volcano. Largest earthquake has a magnitude of Mw1,2.


The earthquake activity in Hekla volcano. Copyright of this image belongs to Icelandic Met Office.

At the writing of this article there is no change in harmonic tremor on SIL stations around Hekla volcano. Icelandic Met Office and Department of Civil Protection and Emergency Management are both monitoring the situation in Hekla volcano.

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Earthquake activity in Hekla volcano (there is *no* eruption risk above normal levels!)

Over the last few days there has been swarm of small earthquakes in Hekla volcano. This earthquake activity is situated in the south part of the Hekla volcano system. It is just outside the main volcano. What is causing this earthquake activity is unclear.


Earthquake activity in Hekla volcano. Copyright of this image belongs to Icelandic Met Office.

There is no eruption risk from this earthquake activity. There is nothing suggesting that for now at least this is going to result in a eruption. A lot stronger earthquake activity is needed before that can be declared!

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Minor earthquake activity in Hekla volcano

Today (09-June-2017) there has been earthquake activity in Hekla volcano. Largest earthquake only has the magnitude of 1,0 and greatest depth is 2,2 km.


Hekla is to the right on this image. Copyright of this image belongs to Icelandic Met Office.

At the moment there are no signs that this is going to lead to an eruption. That might change without warning. The source of this earthquake activity might be gas or steam activity in the crust in Hekla volcano, at least when it comes to shallower depth. At more depth it’s slightly difficult and increases the changes the earthquakes at those depth are created either by magma or pocket of gas breaking the crust.

At the moment Hekla volcano is not showing any signs that eruption is imminent.

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Three minor earthquakes in Hekla volcano

Before I start I want to make that clear that nothing of interest besides this earthquake activity is happening in Hekla volcano.

Yesterday (02.03.2017) three earthquakes took place in Hekla volcano. Largest earthquake had the magnitude of 0,9 and other earthquakes that happened where smaller in magnitude.


The earthquake activity in Hekla volcano (to the right on this image). Copyright of this image belongs to Icelandic Met Office.

Currently nothing suggests that an eruption is imminent in Hekla volcano. The reason for this surface earthquake activity is unclear. It is my view that Hekla has moved to earlier pattern of eruption, this pattern means an eruption once to twice a century, that means next eruption might happen sometimes between 2030 – 2100.

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I pad all the bills this month and I’m broke. If people like my work they can support it by sending me donations. Donations are not a requirement, just if people want to. Thanks for the support. 🙂

Update to this section

I have started to stack up the bills for April (due how the system works here in Denmark, I have found it to be good idea to this if I’m unsure about anything) and from the looks of it appears that April is not going to be easy billing month due to a cable bill I have [3.733,73 DKK], stupid decision to get it, since most channels just show reruns and more reruns, but I was just after two news channels that I have now figured out to get with a 40 cm satellite dish indoors (yay, knowing inverse square law of radio waves).

I have cancelled my cable subscription now with an email [if that doesn’t work. I will call them and cancel it that way]. Like with the internet bill in February, they are charging me for a six month period. I also think that next three month internet bill is in April (around 900 DKK for next three months according to my estimate). The only good news is that I have been saving up a little for this cable bill since I already knew it was going to be a big one, the sad part is that March bills upset that plan a little bit, thanks to a donation I can increase my saving up a little for that bill, making it slightly easier to pay the cable bill in April. It might however upset my plan up upgrading a IPTV box I have for Icelandic channels (in case of an eruption I have it, not because of “good” programming). As I have to send it to the company I bought it from to upgrade it and that costs in total around 600 DKK in the mail both ways.

This, along with my heavy debt payment plans make keeping all this afloat a bit of challenge at the moment. The money situation is going to be little easier from June when the debt payments I have get lowered down a bit. Until that I guess I’ll have to ask for more donation and support. It’s a big mess and I’m not happy about it, but this is where I’m at the moment.

Thanks for the support. 🙂

Article updated at 03:28 UTC/04:28 CET on 03.03.2017.
Article updated at 03:34 UTC/04:34 CET on 03.03.2017.