Volcanic activity in Canary Islands 2021

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https://www.youtube.com/watch?v=ZkZH0QNyXc8

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The Government of the Canary Islands has decreed the confinement of the population in Tazacorte, San Borondón and the scattered area of ​​El Cardón to the Camino los Palomares in the north, due to the arrival of the colada that had advanced for days between the mountains of Todoque and La Laguna .

The measure, indicates the General Directorate of Security and Emergencies in a statement, is taken as a precaution against possible emissions of gases that are harmful to people's health.

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According to the Volcanic Emergency Plan of the Canary Islands (Pevolca), it is recommended to close doors, windows, blinds and any air inlet from outside, and, if possible, confine yourself to the innermost rooms.

It is also suggested to seal the joints of doors and windows with adhesive tape, to have on hand systems that allow communication or receive information, such as telephones or radio.

The lava flow that ran on No. 7 has just reached the sea

- INVOLCAN (@involcan) November 22, 2021
People who are outside are reminded that a vehicle is not a safe space, so it is advisable to confine themselves to the first building they find, just as if they are going on foot, and, as a general rule, to avoid Displacements unless they are due to force majeure.

Flow number 7 reached the sea at 12:01 this Monday at a point located further north of the first delta that began to form on the night of September 28, closer to the port of Tazacorte.

As can be seen in a video taken from the port of Tazacorte, there is already a third point of arrival for the lava from the volcano to the ocean, which is added to the first in late September and to which the beach of Los Guirres buried a few days ago.

The images show the river of molten rock descending from a cliff, with a dense cloud of gases that causes the sudden evaporation of the water in contact with the incandescent material.

In addition to the water vapor due to the strong thermal shock, the interaction between the lava and the sea can cause the emanations of gases such as hydrochloric acid.

🔴 The lava flow that ran on No. 7 has just reached the sea # ErupciónLaPalma pic.twitter.com/H8EPKDQSup

- RTVC (@RTVCes) November 22 2021


https://diariodeavisos.elespanol.com/202...ign=590025

[TamaraEnLaPlaya]

Wow!

Reuters on MSN

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Cabello de Pele': the mystical story that gives name to the pyroclasts of the La Palma volcano
Scientists explain why these pieces of lava are called by a name from Hawaiian mythology

In the last two months of the La Palma volcano eruption , we have heard a lot about pyroclasts, those fragments of lava that the volcano expels. Well, this Monday it was published why some of these pieces of lava are known among volcanologists as ' Pele's hair ', a mystical story that has its origins in the mythology of Hawaii.

Specifically, researchers from the Geological and Mining Institute of Spain (IGME) who work together with the Cumbre Vieja volcano have explained the mystery surrounding the 'Pele hair' pyroclasts: “When a long time ago, the wind can stretch both the pyroclasts, which it acts as a spinner, stretching the lava and forming filaments the size of a hair ”.

https://cdn.diariodeavisos.com/wp-conten...avisos.jpg

Thus, an IGME researcher shows in her hands those elongated pieces of lava that resemble the shape of a hair and, especially, the shape of the hair of the goddess Pele, present in Hawaiian mythology.

What is also curious about Pele's story is that she is the goddess who represents fire, lightning, volcanoes, dance and violence. Something that would explain why, when represented, her hair looks so much like that of pyroclasts that it expels a volcano. Even more so, when volcanic activity is so prevalent in Hawaii.

It should be remembered that in the Canary Islands, the Guanches also had their own deities linked to their volcanoes, as is the case of Guayota, the cruel and angry demon that lived inside the Teide.

The truth is that the La Palma volcano never ceases to amaze us every week, either because it expels or creates beautiful crystals such as olivine glass , or because it allows the citizen to know more terms and concepts of volcanology, such as in this case, mysticism. history that gives name to the pyroclasts 'Pele's Hair'.

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4.7 mbLg W VILLA DE MAZO.ILP
2021/11/23 01:03:48IV
38

4.8 mbLg W VILLA DE MAZO.ILP
2021/11/23 01:03:27IV-V
39

2.5 mbLg
SW VILLA DE MAZO.ILP
2021/11/23 00:59:08
35

2.7 mbLg
NE FUENCALIENTE DE LA PALMA.IL
2021/11/23 00:53:44
35

4.4 mbLg S VILLA DE MAZO.ILP
2021/11/23 00:48:09IV
3. 4

http://www.ign.es/web/resources/volcanol..._KxSOqQ0A8

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22/11/2021 21:00h Canary Islands. - ERUPTION OF LA PALMA ISLAND. - DAY 65. - WITHOUT SEEING THE END, THERE IS ENOUGH DEEP SISMICITY AND THE VOLCANO THAT EMITES A LOT OF LAVA, FOLLOW THE ASH PULS AND THE 17C NECK REACHES THE OCEAN. - Explaining what happens today is not going to be easy, it's a lot of things. Today I start for the coladas that I have a little relegated these days and they are swallowing everything they catch in front of me, much encouragement to all the palm trees, the coladas are diverting further and further north. A photo from the Iron opens this post, with this eruption that is on its way to breaking records.

THE OUTFIT OF LAVA FROM THE CRATER TO THE LAVIC TUBE SYSTEM.

https://www.youtube.com/watch?v=HufXghB5uR0

BREAKTHROUGH 17

This flow that comes out of the lava system of the cone dissolves in three branches, the first 17A a few days ago was going through the area of the 9A north of the mountain of Todoque, then the Lavico canal was broken and has been redirected north towards 17B that stopped and the 17C that since before yesterday and especially yesterday now carries almost all the material on the flow 9C and 10A in the south of Laguna, giving two ranges:

- The first of the branches north has overflowed a little through the northern areas of 9C and 10A, in the area where the Spar was approaching 50-60m more to the Laguna, but the topography has made him turn around and go out next to the mountain of the Laguna and jump south, to merge again with the other arm.

- The second of the branches, more active than seen in the IGME video, has gone through the south edge of the 9C flow, crossing through some areas, approaching the area of the Casitas edge of the Laguna Mountain in the South and forming its time 2 rivers again, one to the North, receiving the previous flow, and one to the South.

- This second south branch of the 17C, has followed the south edge of the 9C flow and has in fact covered in some areas the area between the two ancient coladas coming down, the 9C and 9A (coladas 7 and 4 according to Pevolca) and today has advanced 200m from 7:30h to 15:15h and it's about 300m from the front of the 9C, which I think will arrive and follow up to the ocean forming another entry.

As for the north branch of 17C, yesterday it was very fast and has continued to do so, following above the north branch of 9C so that this morning at 7:30h it was 400m from the cliff and at 12:15h it has arrived and has started to crawl Rse, forming a new Fajana at the foot of the cliff that has been growing since with a good column of steam and gases as the magma enters contact with the Atlantic Ocean.

COLLADAS THIS MORNING 22/11/2021 AT 07:30H - IGME

https://www.youtube.com/watch?v=FG6EWXbz9og

COLLADAS THIS MORNING 22/11/2021 AT 08:15H

https://www.youtube.com/watch?v=qWT0mk36VnM - TICOM Solutions

STARTING MOMENTS NEW FAJANA

https://twitter.com/i/status/1462792523617869824

https://www.youtube.com/watch?v=1b9AWmniiqM

DRONE VIDEO NEW FAJANA.

https://twitter.com/i/status/1462810491668119558

SOURCE NEW PHOTO FAJANA:

https://twitter.com/InakiSi.../status/14...3011723275...

THIS AFTERNOON:

https://twitter.com/RedGeoC.../status/14...3638164481...

LIVE AT THE NEW FAJANA

https://www.youtube.com/watch?v=s4WVX4x9g2U

15B necklace

But I do not forget, that the system of lava pipes also sends lava to the other side, towards the South Fajana which with 43 hectares continues to grow and see the lava coladas as fall down the cliff in the area of the kipukas next to the cliff and going in by the area of los Guirres beach and more north, this volcano is throwing a lot of material.

Vincent Soler and today's flow

https://www.youtube.com/watch?v=Dr2S-rQrAOo

TREMOR AND DEFORMATION: - First, Notice atmospheric changes in the Deformation data, it's not the first time and they say nothing and it affects all the archipelago stations with a 2-3cm drop. The tremor has some pretty important pulses this afternoon, which are seen as peaks in the chart and although the trend was down, today it remains, data corroborated by the swelling that is seen in the LP03, and which should be more noticed by the alteration what comment

When there are atmospheric changes the GPS give variations of 1-3 cm and in today's data they are especially noticed, since they all go down on the island and the archipelago and this LP06 goes up, just like LP04 and LP01, saying that the pulse of lava has reached the c Amara 10-12km and going up. The climbing conduction from the deep to the bottom, has lost pressure what you see in MAZO and LP06 going down, too much for my taste.
GAS:

The sulfur dioxide emitted by the volcano is going down.. on RTVE have said between 900 and 1300 tons a day, which is very low, and that I don't care, especially seeing that the valley smells that it sucks and that I need more data down like this, indicating that today the system is more relaxed.... at least in the eruption point area or they haven't caught the ash pulse, but it's not very representative to me.

Earthquake AND Earthquake:

There is a lot of activity in the deeper area, you see many earthquakes and also another thing, I emphasized in the figure I put in the post the moment after the last 4.3 where there is perfectly visible noise of canerias, volcanic gliding, qu and it looks like horizontal white lines in the spectrum between all earthquakes (of which the IGN locates 10% or less) and which indicates the movement of very pressurized flows in depth, no one has to tell where they move, towards the conduct preparing what will be the sumi nest of material towards the reservoir intermediate from the depths.

es2021wxijd 22/11/2021 18:27:32 28.5699 -17.8359 38.0 km
IV M 4.3 mbLg SW MARCH VILLA. ILP

And also highlight a couple of deeper earthquakes from today.

es2021wnyo 22/11/2021 08:09:04 28.5596 -17.8243 36.4 km
IV M 4.8 mbLg SW MARCH VILLA. ILP
es2021wwefa 22/11/2021 03:13:30 28.5674 -17.8164 34.2 km
III-IV M 4.3 mbLg SW MARCH VILLA. ILP

By the way, the IGN has improved the depth data, now with a resolution of 0.1 km or 100m, we will see if it has come to stay or is it something temporary, it was time.... it's taken more than 15 years.

Jose commented to me, as a direct observation, that when a 4+ Earthquake occurs, the activity of broadcasting material in all mouths increases almost immediately and I think it's quite logical. I explain: When an Earthquake occurs in addition to the seismic waves that produce a momentary presurization of the conduit that rises at high speeds (about 3.5 and 5 km/s), a deep pressure blow occurs that affects the whole system of ducts, a blow of ram that climb from 35km to 1.5km/s or more, passing through the intermediate reservoir and that when reaching the end of the conductor where this excess pressure is released like a safety valve, it produces the activation of some eruptive mouths with an increase in the caudal and power of exit, and even opening new mouths

RELEASED SESMIC ENERGY RATE:

440 MWh released today... above average,... the half that in the days of more activity, showing that he is healthy and strong and that he will not leave us like this. If you see the average in the last 7 days, the rate is 2800 MWh (about 400 MWh average a day) and in the last 30 days the rate is around 11000MWh (366MWh average a day), so what we went up today, the more we go up.

CONclusion
We have a volcano left for a while, I do not see the end, 1-2 weeks no one takes them away and on top I see it recharged, I see that the lava comes out with more pressure, with less water, hotter, more liquid and with more amount, then it reaches further and affects more zone As. The worst thing is that it is being set up again to go further North, hopefully it will withstand the tube system carrying the material south and the newly formed lava tube for at least a few days, which will prevent further damage to the north. A lot of encouragement. (Enrique)

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Keko Palma
Almost nothing, here La Gomera station all the hours (all those sticks are earthquakes in La Palma)


Melanie Kaltenbach
Keko Palma Is that why in La Gomera some people notice the earth shaking steadily? Smooth, but steady! I've noticed it for 9 days, today he's been strong and still going. Looks like magma is running under us.

Sonia Busquets Revuelta
Melanie Kaltenbach I have friends who say it sounds and feels like they're running stones underground..

Sonia Busquets Revuelta : Exactly! That's right! Stones (or rocks) are noticed as small bangs, the shaking is almost fixed.

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In relation to the above notice :

Samuel Cabrera Francisco
Sonia Busquets Revuelta they always wait until the last minute 🤦🏽 ♂️ and on top of it right now, long, strong Earthquake 🤦🏽 ♂️ 🤦🏽 ♂️


Sonia Busquets Revuelta
Samuel Cabrera Francisco these things get on my nerves... And look at what time they tell you... I don't think it's normal..

Samuel Cabrera Francisco
Sonia Busquets Revuelta because si...demasiado had taken, from my point of view, here in the east of the island smells bad, I imagine there, and falling very fine ash.