Volcanic activity in Canary Islands 2021

[Pete Garyga]

Amazing drone footage from yesterday https://www.youtube.com/watch?v=wajWxq64zyk

[jand]

09/11/2021 18:30h Canary Islands. - ERUPTION OF LA PALMA ISLAND. - DAY 52. - LAVA NECKLACE MAP- THE 15B IS ON THE BEACH FALLING BY THE ACANTILADO. ONE HORROR PEAK AND MORE STILL GOING DOWN. -

Today it seems that it will be noticed that the volcano is calmer, still it does not remove that sometimes it has more active peaks, such as the tremor peak we have had at 6:30 in the morning and that has lasted an hour, where you can see it several hydromagmatic explosions in the spectrum..
One of the possible explanations for this behavior is that when going down the pressure some water has entered deep into the volcanic system and this sudden increase in pressure and tremor has been produced and something more exploded Osed for an hour, stop then come down and recover almost the levels before, but it has gotten a little lower, showing that it is slowly stopping, remembering that it has been a lot of inertia that it has been picking up in past days.

LIVE CAMERA AT THE VOLCAN CON - with explosions right now...

https://www.youtube.com/watch?v=RUyPMnV264w

THE ERUPTION AND THE VOLCAN - it has been measured and reached 1131m high, no less (RTVE). The SO2 gives us good news, keeps going down, is high still with 18500 tons daily, deformation keeps coming down slowly, tremor low and the accumulated seismic energy rate is somewhat higher than yesterday with 70 MWh, but very much for below almost 1000 MWh in the days of most active. All in a nutshell, the volcano continues to stop... if it continues in 10-14 days it could stop, that does not mean it will stop, because it has to be considered that it should as long as we do not have new deep magma contributions that could reactivate it. -

The truth is that it is very significant that we have been more than 50 hours without an Earthquake of 4 or more after the double of 4.5 and 4.6 two days ago. The last one was a 3.8 today matching the moment the tremor rose. That doesn't take away that the earthquakes are over and putting a seismic forecast for the next 4+ that could be in about 48 hours more or less in one of these three highs. More earthquakes we are going to have, it has to lose inertia, fortunately they should go less and spacing in time.

es2021year 09/11/2021 06:55:22 28.5920 -17.8357 38 km
III M 3.8 mbLg W MARCH VILLA. ILP

SESMIC PROSTICS.

- First maximum day November 11 at:
07:05h IGN and Canaries 08:05h Peninsular.
- Second maximum on November 11th (most likely) at:
7:30pm IGN and Canary Islands 8:30pm Peninsular.
- Third maximum on November 12 at:
08:55h IGN and Canaries 09:55h Peninsular.

MAP OF LAS COLADAS: The 15B colada has followed its path advancing the whore of more than 1 km in 24h to reach the cliff at the height of the Beach of the Guirres where it is currently taking place in an impressive way, don't miss it l to the camera live.

LIVE CAMERA - LAVA FALLING DOWN THE CLOTHES. The best way to go! https://www.youtube.com/watch?v=BeP9BK3voJI

On the map I made using thermal flight data you can appreciate that the current laundry is well fed with some active arms above:

- One north that has advanced about 300m to a kipuka north of the 9A just to reach a few meters from where the SPAR road (LP-213) was and about to exit the gap between 9A and 9C, which would make it go around the edge north of 9A. Not very active at the moment.

- Then there is another arm south that has advanced a bit more than 400m but at the moment it does not have a very important contribution in the southern area of Todoke over the old coladas, also about 200m above where the hole path was.

In addition, it must be emphasized that except the kipuka of Todoque that has been swallowed and the area of the estate that was between the coladas 8A and 8C, the rest of the flow is over areas already destroyed, I thought it was going south, but in the end it has doubled and it hasn't affected new areas further south. God willing it could be maintained for several days avoiding the destruction of new areas.

And I have one last southern arm of the flow above that has marched the Cogote Mountain of this laundry has stopped. And don't lower the guard, above all there are more coladas, even though they seem to have little tour.

THERMIC VIDEO OF THE COLADAS 09/11/2021 - 08:10h

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

Well, now it's time for the eruption to consolidate these obvious signs that it's going to be less and more. That doesn't take away that I don't have moments of more activity, earthquakes and even some more surprises as I commented a few days ago that did the Tajuya eruption in 1585, we'll see.... What's it over now... (Enrique)

[jand]

[jand]

[jand]

[Archer]

Lava reached Playa de Guiere yesterday. Video from last night is spectacular.
And look how close they Bombero's are standing 

https://m.youtube.com/watch?v=RQ0e6hUx8NQ

[jand]

10/11/2021 15:30h Canary Islands. - ERUPTION OF LA PALMA ISLAND. - DAY 53. - DEEP SHAKES OF 4.8 AND 4.4; SPASMODIC TREMORES AND THE EXPECTED REPLY HAS ARRIVED, NEW DEEP INTRUSION IN THE PALM. - The volcanic activity of the island of Palma has stopped stopping the eruption in dry, i.e. climbed and accelerated to reach a high speed, about 300km/h and was slowing down to 200/km/h and had continued so would have stopped in a couple of d and weeks, but for now it's stopped and accelerated again, we'll see how far.

So past 8 in the morning IGN time, a spasmodic tremor announced that the magma faucet would open and it flows deeply presurizing the system again, giving deep seismicity more and more common and more intense for the reservoir magma immediately started again presurizing and it went up to a 4.8 Earthquake (initially a 5.4 degraded to a 4.6 and finally 4.8 ) and some more like a later 4.4 which has also had new spasmodic tremors.

es2021wavtt 10/11/2021 11:10:07 28.5729 -17.8234 34 km
IV M 4.8 mbLg SW MARCH VILLA. ILP
es2021wbaec 10/11/2021 13:23:46 28.5772 -17.8129 37 km III-IV M 4.4 mbLg SW MAZO VILLA. ILP

Ultimately, it's not good news, the volcano is accelerating again, this is the tale of never ending, but nature is like this, this eruption has not ended, when it's already announcing the next. You can clearly see three spasmodic tremors (9:00h, 13:00h and 16:00h) that tell us that the magma faucet has reopened at a depth of about 37 km and it flows towards the surface. In 2-4 days the pressure of this magma pulse will reach the surface, announcing an increase in all parameters, gases and deformation in the coming days and the eruption will still take time.

I mean more magma coming, a new deep intrusion, not sure if enough or not for a new eruption, but a good amount and pressure. Most likely to take advantage of the existing conduit in the current eruption to get out, it's the easiest as that conduit has not yet closed. If it was closed or closed, then if we would have a good problem, as the probability would be shared and could open again by the same site, near the same site or even by a new site more likely at least. Let's continue, we'll see what he does.

On the other hand coladas continue to arrive into the ocean through a system of lava canals and some pipes that go down the side and with some occasional overflow that gives way to new arms and that are well fed of magmatic material by the point eruptive in where it follows growing the pyroclast cone that continues to cast a large column of ash and gases.

The tremor, deformation and gases are on the low, but now we have to wait for what will rise and how much, and hopefully it doesn't rise much in the next few days and reclaim the lower as soon as possible, it's just a passenger reparation. Until 48-72h passes to tell us if there are more intruders or not, we won't know. We'll see what happens. (Enrique)

EDITED: If the last data of 43000 tons a day of SO2 is true, it does not but confirm that there is a clear response in volcanic activity, it would be two legs, seismicity and gases, lack of deformation, tomorrow's data will be crucial for sab It's like it's going to respond, little, pretty much or much. (Enrique)

[jand]

[jand]

That's a spasmodic tremor... many tremors together indicating that the tap opens and lets go of magma that depresses and moves in the direction of the surface, you will have to think that the easiest is by the already existing conduit or path of the current eruption.
R. Ortiz told us that "The spasmodic tremor is due to multitudes of volcanic-tectonic earthquakes linking and reflecting a high-frequency band on the spectrograms. Its name comes from paper seismographs, where needles would leave band-like black spots when overlapping the map of the earthquakes."

“This is because there appears to be two lawsuits going on. One, generated by the thrust of magma that intends to rise, producing large earthquakes of magnitude 2.5 and higher. Another process would be making a push through a "crack mechanism", generating earthquakes of small magnitude but very numerous. This is because magma spreads generating tiny fractures (cracks), which break in front and close in the back, repeating the process. The problem is that this second process is very difficult to locate when overlapping Events with others and they cannot be analyzed individually
That is, the tap is opened and the magma flows through the rocks fitting deep. (Enrique)

We have to see how big the rebound is coming, a few more days or a few more weeks, that we don't know yet, it's early. In the next 48-72h he will make his intentions clearer. (Enrique)

[jand]

The activity as picked up on La Gomera.