General Volcanic Activity Thread!

[alexisj9]

On 24/05/2021 at 18:56, Snipper said:

Only dip into this thread very fleetingly. Why did they construct the barrier? From what has been shown what is being protected?. 

Monitoring internet cables for the volcanoes, not just this ones, some more dangerous.

[Snipper]

Seems a bit gushy at the moment. 

 

[matty40s]

Goma in Congo being evacuated again due to new seismic activity suggesting another eruption imminent.

Éruption de Nyiragongo : L'évacuation "obligatoire" décrétée dans certains quartiers de Goma

7SUR7.CD

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Dans un message diffusé sur les antennes de la Radio Télévision Nationale Congolaise (RTNC) pendant la nuit du mercredi à ce jeudi 27 mai 2021, le gouverneur militaire du Nord-Kivu, le...

 

[The PIT]

Amazing stuff that Icelandic moss catches fire even wet it's been raining and can burn for ages. Minimal energy input maximum out.

[Midlands Ice Age]

Latest updated overview this morning..

Still lots of lava being ejected, but now at 10 minutes intervals.

https://www.youtube.com/watch?v=Ba_7x2FaasY

 

[PeteG]

7 hours ago, Midlands Ice Age said:

Latest updated overview this morning..

Still lots of lava being ejected, but now at 10 minutes intervals.

https://www.youtube.com/watch?v=Ba_7x2FaasY

 

I think you will find that lava is flowing from the crater all the time although we can't see it from the camera angle. At intervals a gas bubble forms in the magma and rises up towards the surface.

This pushes the magma above it more quickly upwards which is why the flow from the crater rapidly increases. When the gas reaches the surface you get the eruption of lava thrown into the air.

[The PIT]

18 hours ago, PeteG said:

I think you will find that lava is flowing from the crater all the time although we can't see it from the camera angle. At intervals a gas bubble forms in the magma and rises up towards the surface.

This pushes the magma above it more quickly upwards which is why the flow from the crater rapidly increases. When the gas reaches the surface you get the eruption of lava thrown into the air.

From a couple of overhead drone flights suggest the outflow actually ceases or drops to almost nothing.  Fountaining has stopped for now probably the result of reduced gas and therefore less pressure. Most of the lava is flowing in tubes from the pool that gets topped up from the rhythmic pulsing. The height of the lava field is rising so one track may soon be cut off by the lava.

[The PIT]

Just had a look at a few time lapses and it seems the progress into Nattaghi has ceased while there's been another burst of lava into Meradalir. Will be interesting too see what happens when the western dam goes.

While the fountaining in general has stopped it seems the gaps between lava output has decreased so the flow rate maybe up a notch after dropping back a little.

Edited May 29, 2021 by The PIT

[The PIT]

The site for the most obscured by mist, rain and cloud now finally clearing to show a steaming  lave field as moisture boils off. The cone seems larger so guess the eruptions have continued with the same pulsing as recently.

[The PIT]

Not a lot of change the cone a bit bigger. The path to Ahorfandi looks to have been re-opened as people are on that hill again. The lava yet to cut it off but I guess thats a matter of time.

[matty40s]

Oops..

Another drone bites the dust in Iceland....

 

Drone crashes into erupting Icelandic volcano

WWW.BBC.CO.UK

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A flight to film the erupting Fagradalsfjall volcano didn't go quite to plan.

 

[The PIT]

Drone pollution shocking.

Otherwise the only change is lava is flowing round the back of RagNar and away from the footpath.

The lava pool is now crusted over however lava is still flowing through the tubes into Meradalir with only small amounts into Natthagi. The Western dam is holding only due to the fact that lava is being fed elsewhere at the moment. If the lava flows across the path it's likely to over top the western dam shortly after. However the lava at the moment is being redirected elsewhere at the moment.

[PeteG]

I have seen reports that the lava has now crossed the path. It is currently too foggy to see anything, but when I went back a few hours there was very obviously fresh lava at the leading edge approaching the footpath area and a lot of fresh lava in the area behind.

By the time the fog came down it hadn't started to run down into the area behind the western dam.

[alexisj9]

9 hours ago, PeteG said:

I have seen reports that the lava has now crossed the path. It is currently too foggy to see anything, but when I went back a few hours there was very obviously fresh lava at the leading edge approaching the footpath area and a lot of fresh lava in the area behind.

By the time the fog came down it hadn't started to run down into the area behind the western dam.

There's a picture on the ruv site, we can't see it, but it has gone over the path now. There's also a vid on twitter, but I've lost the link, I'll post if I come across it again.

[Allseasons-Si]

45 minutes ago, alexisj9 said:

There's a picture on the ruv site, we can't see it, but it has gone over the path now. There's also a vid on twitter, but I've lost the link, I'll post if I come across it again.

Yes you can see that the saddle has been breached(circled black),here is a screen grab from a break in the weather not long ago.

next stop,...will that western berm(wall)hold?

 

[Allseasons-Si]

The west dam has been breached and what is that man in blue doing there

[The PIT]

No surprises that was going to happen as oona s it went over the saddle. The man in blue is a police officer "You haven't any rights to be here the path is closed arrrghhh"

[The PIT]

Ah got attacked from two angles via the saddle and another flow across the valley hours later.

[The PIT]

Lava discharge has increased a little but still less that at it was at it peak.

Eldgos í Fagradalsfjalli | Jarðvísindastofnun - Institute of Earth Sciences

JARDVIS.HI.IS

 

[Allseasons-Si]

WOW!!!

[Allseasons-Si]

 

[The PIT]

Another saddle looks like it could be broken in a few days you can see it mentioned here . You should be able too see it to the left of the forlorn bulldozer. I wonder if that's going to to gets tuck there soon?

 

[The PIT]

Well no further push down the valley despite a fairly constant feed to the flow so probably needs tubes to form before it can advance again. Weather turning poor again so the actual volcano is mostly hidden again.

[Allseasons-Si]

I created a 10x timelapse of the second east dam breach from this morning

 

[The PIT]

No further advancement today at all which is surprising. I guess most of the lave is going back into the other valley again