Volcanic activity in Canary Islands 2019

[jand]

Latest update courtesy of Enrique.

Translated.

"the information that appears and changes with the days: earthquakes in Tenerife, Gran Canaria, Lanzarote and el hierro, Canary Islands, Spain.- I start with the general analysis, there are several earthquakes throughout the archipelago indicating regional efforts , and if you do an analysis of seismicity, which does not but predict that in the next few days we will have more activity in the center of Tenerife that is point where it converges all this seismicity and may other parts of the archipelago like LA Palma, el hierro Or even the volcano in the middle or the swarm in front of the puertito of güímar.

Highlight in the data review something that is not usual, in the swarm of earthquakes of the other day 20-21 on the south dorsal under vilaflor in Tenerife there were many earthquakes and it turns out that one of the most magnitude earthquakes, incredibly has not varied or In position or in magnitude, it has only been assigned that it has been slightly felt in the area of el pediment. The rest has been degraded in magnitude and relocated... what doesn't block with all this, sometimes they check sometimes not.

Es2019odayq 20/07/2019 20:22:47 28.1427-16.6419 6.1 km sense: M 2.4 mblg sw vilaflor of chasna. Itf

II the pediment, San Miguel de paid. TF

https://www.ign.es/web/ign/portal/vlc-ul...s2019odayq

Today we start the day with a single microsismo located of magnitude 0.7 to 2.9 km deep under the peak of the teide, indicating the small pressurization that has these days the system of fumaroles of el teide.

Yesterday we also had an Earthquake in the iron of relative importance, with a magnitude of 2.9 to 17 km deep and about 6 km south of the lighthouse of orchila on the coast of the julan in the SW of the island in Full Sea of calm. This Earthquake joins another 2.3 of antesdeayer almost in the same area, more west at 15 km deep. Something moves down there and it was the last active area after the eruption.... it will be that the magma is still looking for a way out although new magma has not entered the last dates in view of deformation.

To the north antesdeayer we have had another magnitude 2.7 to 30 km deep 100 km west of Lanzarote

South of Gran Canaria Antesdeayer has located another 2.5 to 25 km deep at about 8 km off the coast of mogan.

And now we go with Tenerife and surroundings, we start with a remarkable Earthquake of magnitude 1.4 to 12.9 km deep in the south area of pico viejo in the area of the magmatic magma chamber that is under the caldera of there, reminding us that Still there. Involcan located more in his weekly report report for Tenerife, but it is not known to have happened with the rest of signs at the ign.

Follow the activity on the south dorsal with some more located and some that have to relocate, as they are still very scattered like the one of granadilla de paid.

Then we have to have located two earthquakes very followed (separated by only 4 seconds) from 1.5 magnitude to 10 and 20 km deep in the area of arico that we do not know where they will end when they check them and How many will be, since it looks like the typical case of ghost Earthquake, one is real and the other is not.

Finally we have something more than half a dozen earthquakes in the area of the volcano in the middle and southeast of the island of Tenerife but without defining a well-defined location with magnitudes between 1.3 and 2.0 and deep between 4 and 5 km when they have depth, in most cases they don't have it and will surely review them on Monday.

I finish with the request of note 285, which already comes almost to the 200 signatories already " for a clear and open seismic and volcanic information. No to the censorship of the ign canary islands ".

You can sign the petition here:
http://chng.it/fYLxc2HhvS

The next few days point to that they will be interesting, to see what news has booked us the volcano. Happy Sunday. (Enrique)  "                              

Summary of the seismicity of the last days:
Today day 28-Sunday.- 1 located at the moment
Es2019oqqdp 28/07/2019 06:45:33 28.2751-16.6320 2.9 km m 0.7 mblg s LA GUANCHA. Itf

Yesterday day 27-Saturday.- 2 located
Es2019opmxg 27/07/2019 15:59:14 27.6587-18.1165 17 km m 2.9 mblg sw el pinar de el hierro. Ihi
Es2019opexe 27/07/2019 11:56:43 27.9313-16.2843 5 KM M 1.8 Mblg Atlantic-Canary Islands

Antesdeayer day 26-Friday.- 7 located
Es2019oohbw 26/07/2019 23:54:49 28.0911 4 2.0 Mblg Atlantic-Canary Islands
Es2019ooewp 26/07/2019 22:48:01 27.6669-15.6630 25 2.5 mblg if mogán. Igc
Es2019omxyk 26/07/2019 06:10:00 28.2002-16.4874 10 1.5 mblg nw arico. Itf
Es2019omxyi 26/07/2019 06:09:56 28.2110-16.5109 20 1.5 mblg nw arico. Itf
Es2019omqrv 26/07/2019 02:30:10 27.6671-18.1589 15 2.3 mblg w el pinar de el hierro. Ihi
Es2019omoda 26/07/2019 01:12:18 28.1234-16.2158 1.8 Mblg Atlantic-Canary Islands
Es2019omnid 26/07/2019 00:47:57 29.2135 30 2.7 Mblg Atlantic-Canary Islands

Day 25-Thursday.- 3 located
Es2019olpog 25/07/2019 12:47:43 28.1468 0.6 6 mblg sw vilaflor of chasna. Itf
Es2019olezk 25/07/2019 07:27:19 28.1387-16.1531 1.3 Mblg Atlantic-Canary Islands
Es2019okqhb 25/07/2019 00:01:38 28.2544-16.6897 13 1.4 mblg ne guia de isora. Itf

List of earthquakes in the last 10 days in the Canary Islands:
https://www.ign.es/web/ign/portal/vlc-ul.../get10dias

Ign viewer of earthquakes in the canary islands
http://www.ign.es/web/resources/volcanol...arias.html

Ign Map of location of seismic Events in Tenerife:
http://www.ign.es/resources/volcanologia...entos.html

[jand]

Cont :

[jand]

A 3.3 Earthquake last night West of Lanzarote.

es2019orosh 28/07/2019 19:10:04 20:10:04 29.2972 -14.4786 34 3.3 mbLg ATLÁNTICO-CANARIAS

[jand]

Cont.

On the 26th July there was a  2.7 Earthquake around the same area.

es2019omnid 26/07/2019 00:47:57 01:47:57 29.2135 -14.4411 30 2.7 mbLg ATLÁNTICO-CANARIAS

[jand]

Click on the link below it shows how close the 2.7 and 3.3 are.

http://www.ign.es/web/resources/volcanol...arias.html

[jand]

Latest update courtesy of Enrique.

Translated.

"Summer Sales, follow the seismicity in Tenerife and other areas of the Canary Islands, Spain.- the sales at the time of reviewing earthquakes and the few new that appear do not only corroborate the widespread Malpractice by the Ign in the Canary Islands, who not only does his work wrong, but also boasts of doing it wrong, "it's what there is" they say.... bad phrase.

To me it is not worth, to the canaries, neither, it takes competent people and eager to do things well not officials officials and regulated by a self-imposed nepotism from higher levels that closes over everyone who does not accept this situation coming to brush The crime of recklessness, traffic of influences, privileged information and coecho. The result of all this will be a catastrophe but they put the batteries and change things, and I return their words "it's what there is".... for good or for evil.

Some do not want to see it, but the tests are in front of us every day, when the earthquakes are reviewed for their greatest precision should have a magnitude to give the same signal, with variations up and down, but not... the orders of interpretation Of the data is always under a maximum, reduce the magnitude as much as you can, doing things backwards or using stations to tens of miles saying they are more representative. That is not a scientific method that is worth it, and it is made backwards of what all scientists think, with a groping and amañamiento of the squeaky and cheeky data that is tremendous, without possibility to justify and boast of being able to do it without No one will cough them up, so as to hide what is really going on. I remind you: " the teide volcanic system is giving samples of reactivation for 3 years almost and do nothing, I do not say anything the day that set course for an eruption, which has not yet started, but the account Back is already underway, today is one day less for something obvious, the next eruption.

And what can you do? Of course the posture of the ostrich n to look at the other side is not convenient. In addition to being prepared at home when the time comes and start to have signs of eruption there are more important things. An eruption is like a pregnancy, once we start we will know by the symptoms or signs that will give us (deformation or tummy) (earthquakes or kicks), (gases or hormonal changes), etc... it is therefore more than You need to have a minimum volcanic education that allows us to see it and be prepared to minimize its consequences, especially on tourism and / or take advantage of it to enjoy it with the least possible risk, without letting us carry by canards and rumors that only hurt and can Generate Alarm and dead, as the story shows us on other occasions.

But let's go with the data, we have to continue the movements in the area of the swarm of the south dorsal with an Earthquake located this morning of final magnitude 0.5 and 7.9 km deep and another antesdeayer in the area of adeje of magnitude 0.8 and 9 km deep. Yesterday, the shallow efforts in the ne dorsal with an Earthquake of magnitude 1.4 in the area of fasnia under izaña are noted at about 3.1 km deep as other times there are tensions in the central building. In the spectrogram and seismogram you can appreciate its shape and you can see it is a typically tectonic Earthquake, generated by efforts.

The first Earthquake of antesdeayer of magnitude 1.9 and located to the ne of Tenerife is in an area that there are almost 3000 meters of water. Do not think that it has been in the water by having a depth of 1.9 km, the reference surface in this Earthquake location system is the seabed, that is, it is 1.9 km under the level of the seabed, In the usgs is changing the system and now it is being used as a reference sea level, to make it easier, appearing negative depths when the Earthquake is above sea level.

The Teide Fumaroles System, continues something pressurized as shown by a small movement of antesdeayer of magnitude 0.1 to 2.2 km deep and that follows the other we had on Sunday of magnitude 0.7 to 2.9 km In depth, surely a new pulse of gases that goes up through the hydrothermal system of the teide smokers, which makes you think a new uptick of co2.

The area of the middle volcano also moved with an Earthquake of magnitude 1.1 to about 7 km to the SW of the cone and 15 km deep, remembering that it is still around.

Last day 29 we had several news, to start a curious Earthquake of magnitude 2.1 South of the island of LA Palma, in full continuation of the south dorsal under the ocean at 15.4 km deep and representing the Earthquake of greater magnitude in the last 90 days. In addition to the island of el hierro, follow the movement in the south area of the island in front of the lighthouse of orchila with two clear and deep earthquakes of magnitude 2.3 to 38.8 and 39.0 km deep.

The last of 3.3 in the area west of Lanzarote, we already saw it in the last note, here is the review of everything that moves in the archipelago, which is not little, but it should be more and above all more Of course and with more data and seasons, which is what I ask in the petition of " change. Org ". I did already 10 notes, in note 285, which has already 211 signatories already " for a clear and open seismic and volcanic information. No to the censorship of the ign canarias ".

You can sign the petition here:
http://chng.it/fYLxc2HhvS

I believe that this petition is not interested in many people in the sight of the signatories, who for fear or ignorance, look elsewhere instead of the volcano, if that one who sees the window or every time they visit the island, that same . I just remind you that it is the largest third on the planet and is the largest stratovolcano on the planet nothing less, so its big eruptions can be thought they will be... like saying it... Big. (so it puts it on Wikipedia don't believe)

https://es.wikipedia.org/wiki/Anexo:Volc..._la_Tierra

Happy holidays to those who start them today.... (Enrique) "

Summary of the seismicity of the last days:
Today August 1th - Thursday.- 1 located at the moment.
1.- Initial: Es2019oxpvi 01/08/2019 02:31:52 28.1509 16.6567 9 KM M 1.1 mblg w vilaflor de chasna. Itf
Revised: they lower the magnitude to less than half, from 1.1 to 0.5, they slightly review their position a little south and more west and do something less deep, passing from 9 to 7.9 km In depth. I don't know how they justify this changed, it's unjustifiable and it's not scientifically acceptable.
Es2019oxpvi 01/08/2019 02:31:52 28.1402 16.6690 7.9 km m 0.5 mblg sw vilaflor of chasna. Itf

Yesterday July 31th - Wednesday.- 1 located.
1.- Initial: Es2019owxcu 31/07/2019 17:04:40 28.2756 16.5426 1 KM M 1.5 mblg nw fasnia. Itf
Revised: they lower the magnitude a little, from 1.5 to 1.4, they slightly review their position a little north and more to the west and make it deeper, passing from 1 to 3.1 km deep. By being deeper, logic indicates that it should therefore be of more magnitude to give the same sign, but not... any interprets the data backwards or using stations to tens of miles saying they are more representative with such a sneak-in Fact.
Es2019owxcu 31/07/2019 17:04:40 28.2763 16.5375 3.1 km m 1.4 mblg nw fasnia. Itf

Antesdeayer day 30 July - Tuesday.- 4 located and without modifying, they are the same.
Es2019ovkrl 30/07/2019 21:40:02 28.6241 15.6428 1.9 km m 1.9 Mblg Atlantic-Canary Islands
Es2019ovjpw 30/07/2019 21:07:40 28.2712 16.6541 2.2 km m 0.1 mblg s LA GUANCHA. Itf
Es2019ouhtt 30/07/2019 07:03:36 28.1271 16.7226 9.0 km m 0.8 mblg n adeje. Itf
Es2019otydl 30/07/2019 02:11:43 28.0464 16.2147 15 km m 1.1 Mblg Atlantic-Canary Islands

Day 29 of July - Monday.- 3 located.
1.- Inicial1: Es2019otjpf 29/07/2019 18:50:56 28.4709 17.7897 10 km m 2.0 mblg is in the palm. IL
Revised: they slightly raise the magnitude of 2 to 2.1 and make it deeper (towards months that I didn't see this, finally something done coherently. And they place it more to the SW, above the south dorsar in its underwater part, which explains better those tensions of the island.
Es2019otjpf 29/07/2019 18:50:55 28.4201-17.8111 15.4 km m 2.1 mblg is located in LA Palma. IL

2.- Es2019otajy 29/07/2019 14:11:55 27.6800 18.1032 38.8 km m 2.3 mblg w el pinar de el hierro. Ihi - new
3.- Es2019oszfp 29/07/2019 13:36:35 27.6768 18.1099 38.0 km m 2.3 mblg w el pinar de el hierro. Ihi - new

Day 28 of July - Sunday.- 2 located.
Es2019orosh 28/07/2019 19:10:04 29.2972-14.4786
34.2 km m 3.3 Mblg Atlantic-Canary Islands
Es2019oqqdp 28/07/2019 06:45:33 28.2751 16.6320 2.9 km m 0.7 mblg s LA GUANCHA. Itf

List of earthquakes in the last 10 days in the Canary Islands:
https://www.ign.es/web/ign/portal/vlc-ul.../get10dias

Ign's visor of earthquakes in the canary islands
http://www.ign.es/web/resources/volcanol...arias.html

Map of the ign location of seismic Events in Tenerife:
http://www.ign.es/resources/volcanologia...entos.html

Map of the ign location of seismic Events in el hierro:
http://www.ign.es/resources/volcanologia...entos.html

Map of the ign location of seismic Events in LA Palma:
http://www.ign.es/resources/volcanologia...entos.html

[jand]

Cont :

[jand]

Interesting article courtesy of Enrique.

Translated.

A little history, the last great eruption of the teide, with a great Earthquake and a lot of seismicity, several landslides, several tsunamis and of course many ashes and pyroclastic material. 170.000 years ago, antesdeayer geologically speaking. Don't miss the answers, as I take a tour in all the theories of training and materials, where you can see how some publications are refried and others like this, are points to try to understand what happened in more detail. (Enrique)

When Teide caused a tsunami of more than 130 meters
Published: Tuesday, July 30, 2019

"At 132 meters above sea level, on the hillside of Teide, the researchers dug up the remains of pumice and volcanic ash. It seems nothing strange, being on the side of a volcano, except that its origin is related to a huge tsunami. The gigantic wave completely covered the coasts of Teno Bajo and Buenavista, only at that time they were not these places. This was 170,000 thousand years ago.

And the sky turned black
About 170,000 years ago a great volcanic event caused a huge avalanche on the northern flank of what is now the Teide, part of the so-called Cañadas building . Rocky landslides spread over the seabed up to 80 kilometers away from the coast. But, in addition, the last major explosive eruption of the geological complex occurred. It emitted huge pyroclastic currents that covered much of the island.

The eruption originated the Caldera de Las Cañadas and an ancient valley, called La Guancha-Icod. Given the size of the cataclysmic event, the sea was not impassive. Under the skies blackened, a mega tsunami formed that flooded the coastal platforms of Teno Bajo and Buenavista. The wave reached more than 130 meters , as evidenced by the investigations where the data obtained from the samples are collected.

How did it happen? The sequence of geological Events seems quite complex, but it is clear that it was not the avalanche that caused the great waves , but the seismic movement that occurred beneath the sea surface. The water swept away everything that inhabited the surface and dragged part of the sediments to unimaginable heights.

How do we know what happened 170,000 years ago?
In order to understand what happened, the researchers had to analyze the remains left by the tsunami throughout the island. What remains are we talking about? As published in an article in the prestigious journal Nature , these remains correspond to a predominant type of light green colored pumice stone, highly viscous and fibrous, surrounded by gravel. In some areas, these materials are separated by a thin layer of fossilized ashes. A 40 cm thick layer of sand is sandwiched between the lava flow from the eruption and the deposits brought back by the tsunami.

Rocky landslides spread over the seabed up to 80 kilometers away from the coast

By analyzing the strata and their position, as well as the composition and structure, the researchers are able to form the order of what happened, as if they were pieces of a complicated puzzle . For example, the arrangement of the substrates explains what was being deposited at a given time and how it was interrupted by the wave. The structure and composition indicates what volcanological situation the predecessor super volcano of Teide lived or the action that the water performed on the deposits.

One of the most important issues in this study is that it allows us to get an idea of ​​how a similar event occurs. This has allowed the research team to determine some important values ​​and data to better understand the tsunami. For example, they know that the water covered 50 meters thick, at least, all the Bajo Teno and Buenavista . On the other hand, all these data help to generate models to predict similar Events and the chances of them happening, which are very low, by the way.

A volcano that is still alive
A few years ago, the Canary Islands lived a worrying seismic swarm . The situation, far from being anecdotal, is a natural consequence of its vulcanological composition. The energy generated under its soil is immense, and sometimes it comes to light in the form of notable seismic movements. Luckily, the islands have not lived an eruption for decades. Even more fortunately, hundreds of thousands of years ago have not suffered an event of the proportions from which the huge tsunami originated.

The water covered 50 meters thick, at least, all the Bajo Teno and Buenavista

However, the islands are under living, changing soil. Therefore, it is very important to understand its evolution. This is the only way to adapt to an unforeseen event and take appropriate measures. Moreover, it is the only way to be able to anticipate the consequences of these Events , something vital, in case they show themselves in such a dangerous category (even if only one tenth in intensity).

The energy generated under its soil is immense, and sometimes it comes to light in the form of notable seismic movements

Analyzing the geological past of the Canary Islands is not easy. Quite the contrary, because we are facing an immensely rich system at all levels, with an active soil and several dormant volcanoes that continue with their activity under the Canarian soil . Therefore, looking at the surface, looking for remains from thousands of years ago, is the only way we can try to understand what happened and what could happen. Consequently, studying these stone samples, long cold, is the best way to prepare for everything."

https://www.cienciacanaria.es/secciones/...130-metros

[jand]

Cont:

https://www.cienciacanaria.es/images/En_...nami_1.jpg

[jand]

Latest update courtesy of Enrique.

"Seismic Swarm in progress in Tenerife or surroundings, preliminary located 20 km to the ssw volcano in the middle, Tenerife, Canary Islands, Spain.- several vertical lines are appreciated corresponding to earthquakes in the sensor of Maci in Tenerife, the seismogram, better not to talk, you don't see anything of anything. (Enrique)"

Edited: at the moment 4 Events have been located, although they are almost a dozen with magnitudes between 2 and 2.1 and deep between 3 AND 8 KM:

Es2019pctjz 03/08/2019 21:59:49 27.9393 16.2038 8 KM M 2.1 Mblg Atlantic-Canary Islands
Es2019pcsyo 03/08/2019 21:46:14 27.9133 16.2444 3 KM M 2.1 Mblg Atlantic-Canary Islands
Es2019pcstm 03/08/2019 21:40:35 27.9109 16.2427 7 KM M 2.0 Mblg Atlantic-Canary Islands
Es2019pcssj 03/08/2019 21:39:17 27.9093 16.2433 6 KM M 2.1 Mblg Atlantic-Canary Islands