El Hierro

[jand]

Looks like it may  not be the army causing the movements on the graphs on La Palma.

See below copied from Avcan.

Creo que es la obra de El acondicionamiento por el sur de la carretera general de circunvalación de La Palma afectará a numerosas company rústicas de titularidad privada de Mazo, Fuencaliente y El Paso. En concreto, la obra de mejora del tramo entre los núcleos de San Simón y Tajuya, obligará a la expropiación forzosa de 1.896 parcelas. con un plazo de ejecución de 48 meses y la noticia es del 5 de mayo.

I believe that it is the work of the fittings to the South of the road overall bypass of La Palma will affect numerous private of El Paso, Mazo and Fuencaliente company. In particular, the work of improvement of the section between the villages of San Simón and Tajuya, oblige the forced expropriation of 1.896 plots. with a period of 48 months and the news is on May 5. (Translated by Bing)

10 hours ago · Like.

Cristobal Garcia Alberto Entonces la maquinas escabadoras tipo martillo son las responsables de hacer funcionar los sismografos ?

Then escabadoras her machines type hammer are responsible for running the sismografos? (Translated by Bing)

[jand]

http://www.vulcanospeleology.org/sym06/ISV6x31.pdf

This is an article about the caves and tunnels under El Hierro which has bben discussed on jonfr.com/volcano about them being possible channels for the magma and retaining heat and gasses.

[fifi]

The article about the landslides and Tsunamis is very interesting Glen and also a bit worrying. It is easy to understand how there could be a weakness in the Island when you look at the position of the  11,000 earthquakes over 1.5  that they have had since July.

[jand]

I also think its very worrying taking into account the confirmed deformacion of the island as its rising and falling in the north and south .
surely all these earthquakes that Fifi has posted the photo of are weakening the structure of the island itself.

Its also strange that they all seem to be happening in the middle of the ridge that seperates the island.

[fifi]

quote:Originally posted by SurfJames

When they say 'man made' do they mean that they are firing explosives which get detected,
or has someone nudged the seismometer, causing the pen to skip across the paper !!  []

[]They didnt explain further. It sure jumped about a lot though.

                    ...............

Previous landslide areas shown in this image

[jand]

http://www.01.ign.es/ign/head/volcaSenalesAnterioresDia.do?nombreFichero=CHIE_2011-11-19&estacion=CHIE&Anio=2011&Mes=11&Dia=19

Harmonic Tremors seem to be picking up again.

[fifi]

This area was steaming a few minutes ago. Webcam link http://earthquake-report.com/2011/11/12/32535/



You can clearly see the debris in the sea at the moment

[jand]

earthquake-report.com

Lava tubes are formed when the upper part of the lava stream is hardened and continues to flow at the inside. When the flow suddenly stops (like we have seen a couple of times at El Hierro), a tube is formed. Those among our readers who have climbed volcanoes know that the brisk outer shell of even small tubes can be very dangerous. Walking on the fresh lava fields in Hawaii and La Reunion, to name a few, can be dangerous for that reason.
 - As shown in the extensive Lava Tubes document some tubes are very long. Most of the mapped lava tubes @ El Hierro are several hundred meter in length.
 - The longest Lava Tube is the Don Gusto tube measuring an incredible 6.315 km
- The Don Gusto lava tube has been closed by the authorities because of the fear of getting lost !
 - During the Franco dictatorship, the lava tubes on the island were used as hiding places. Family members and friends delivered food and drinks through well secret holes.  A lot of people fled during these years via El Hierro to Venezuela. Many of the Venezuela fugitives grandchildren are returned to the island, which is the main reason why the population of El Hierro has grown the last number of years (Joke is renting a house from Venezuela owners). Don Jose Padron Machín, also a fugitive, wrote many chronicles on what happened during these years.
 - Lava tubes have very irregular shapes. Some parts are almost blocked but have just enough space to crawl though the opening.

[woe10]

quote:Originally posted by Deso

Looks like the YouTube link for Fi is causing a problem as well. []

I couldn´t see a problem but have deleted it anyway. Are you sure it´s not your computer, as nobody else commented.[][]

[Deso]

Pennylane mentioned it as well.
I have just gone through each page on this thread and pages 1,2 nd 3 are fine, page 4 is a little wider than normal but this page is really wide.
In view of the fact that you have taken your piccies off then the offender could be Kevin2003 as I don't think Fi would put oversize piccies on.
Thanks for trying to help anyway. []

Maybe I should Stony waste matter separated from metals during the smelting or refining of ore T$xPm off then Admin may take a look. [] [}:)]

[fifi]

Mine could be oversized Deso. I dont really know. They look the same size as I usually put on though.  I will ask Admin to remove the photo and see if it is any better. It isnt affecting mine but I have a 17 inch screen. Falkirkdan and TripleH said it was affecting theirs too.

[Deso]

Looks like we may have to wait until page 6 then. []

[fifi]

I emailed Admin a second ago so they might read the email tonight and have a look at it.[] Long links can sometimes cause it too.

                  ............



Press Release http://www.gobcan.es/noticias/index.jsp?module=1&page=nota.htm&id=145129

IGN spotted yesterday at Frontera, forty earthquakes at a depth of between 15 and 36 miles

11/19/2011 ... 12:05 - Ministry of Economy, Finance and Security

Three of these movements were felt by the population

The National Geographic Institute located during the day yesterday, 40 earthquakes at depths between 15 and 36 miles, three of them felt by the population with magnitudes of 3.7, 2.9 and 2.7 on the Richter scale.

The movement reached a magnitude of 3.7 on the Richter scale occurred at 15:32 pm (UTC) and was located 4 miles off the coast of Frontera at a depth of 23 kilometers. He felt with maximum intensity III (EMS) in that municipality.

The rest of recorded earthquakes were located mainly in the area of the Gulf, aligned NNW / SSE in the sea at a depth of between 15 and 36 kilometers.

In total, since the day July 17, 2011 11 684 events have been found.

Tremor and deformation
The tremor signal has increased slightly during the course of the day but still at lower levels than previous days. There is no evidence of a second source of tremor.

The terrain deformation follows the same pattern of stability in previous days in the horizontal components, mostly with a slight tendency towards the south, and deflation in the vertical component.

                   ...........

According to Raymond Matabosch one of the erupting vents (the nearest one) is not visible on the webcam.

[jand]

http://www.ign.es/ign/head/volcaSenalesAnterioresDia.do?nombreFichero=CHIE_2011-11-19&estacion=CHIE&Anio=2011&Mes=11&Dia=19

Harmonic Tremors changing again looks like there has been an explosion in the Magma.

[jand]

http://www.youtube.com/watch?v=1nmcfuY_aoA

Rocks this morning coming up to the surface.

[jand]

Anyone watching the webcam is the sea full of little rocks and has anyone just seen some white rocks thrown upwards ?

I am looking on this link http://212.170.244.196/

Unless its the camera I am sure I am seeing black rocks coming up to the surface aswell and it looks like there is steam?

The sea looks to be going backwards again?

[fifi]

I noticed two colums of steam on the right hand side.

[fifi]

[fifi]

Tweet
Raymond Matabosch

El Hierro. Optical illusion? From 14 h 50, jaccuzy edges of eruptive vent seem driven by a rotary counterclockwise ..

[duncolm]

My less than expert opinion...
A major landslide would be more likely to happen on a cone volcano, ie one where the eruption is through a vent which comes up through the centre of the mountain. This happens because the slope is built from material being added from above, so is inherently unstable, the rock gets weakened by chemical reactions caused by gasses passing through it, and there is pressure from within as the magma chamber fills and swells. This will have been the situation in the rockfalls on El Hierro in the past, from when the volcano built the island. Today it appears there is no central vent and the eruption is spread along a long fissure instead, with lava finding it's way out through the seabed rather than forcing through the landmass.

Things can change, but I don't think a tsunami being generated is very likely.

[jand]

Thanks Fifi I guess I wasnot seeing things.

It looks so strange to see the sea going backwards there must be a mighty force underneath pulling it back this way ?

[jand]

Duncolm thanks for your input.

I think the issue is not with the vent erruption in the ocean but the issue is with the island splitting which has been confirmed there is deformacion and the force of a greather earthquake combined therefore could cause a landslide inside to the sea which could trigger a Tsunami which has happened before..

There is a rift between the North and South of the island which the earthquakes seem to be swarming in and also following this line at the moment.

If the island is splitting due to the deformacion would this not make the rock more unstable?

[jand]

http://www.ign.es/ign/head/volcaSenalesAnterioresDia.do?nombreFichero=CHIE_2011-11-19&estacion=CHIE&Anio=2011&Mes=11&Dia=19

Harmonic Tremors really picked up again now the width has more than doubled.

[jand]

http://212.170.244.196/

A circle seems to be forming near the jetty.

[jand]

http://www.ign.es/ign/head/volcaSenalesAnterioresDia.do?nombreFichero=CHIE_2011-11-19&estacion=CHIE&Anio=2011&Mes=11&Dia=19

Looks like lots of little magma explosions now aswell.

[jand]

http://www.01.ign.es/ign/head/volcaSenalesDiasAnterioresHora.do?nombreFichero=CHIE_2011-11-19_17-18&estacion=CHIE&Anio=2011&Mes=11&Dia=19&tipo=2&hora=17-18

Someone has quoted on another thread that there have just been three back to back earthquakes (as the link above)

[duncolm]

I'm a bit lost with the idea of the island being split. That would surely need a big eruption event on the island.

The question is, is there a section of hillside overlooking the sea which is liable to collapse in a single movement?

[waggy]

quote:Originally posted by Deso

Pennylane mentioned it as well.
I have just gone through each page on this thread and pages 1,2 nd 3 are fine, page 4 is a little wider than normal but this page is really wide.
In view of the fact that you have taken your piccies off then the offender could be Kevin2003 as I don't think Fi would put oversize piccies on.
Thanks for trying to help anyway. []

Maybe I should Stony waste matter separated from metals during the smelting or refining of ore T$xPm off then Admin may take a look. [] [}:)]

I'm getting the same problem, Woe.

[jand]

http://www.01.ign.es/ign/layoutIn/volcaDetalleTerremotos.do?evid=1113510&zona=2

3.3 Earthquake NW Frontera this evening at 1827.

[jand]

jonfr.com/volcano

An interesting feature, for me at least, is on the La Palma spectrographic analysis

http://www.01.ign.es/ign/head/volcaSenalesDiasAnterioresHora.do?nombreFichero=EHIG_2011-11-19_17-18&estacion=EHIG&Anio=2011&Mes=11&Dia=19&tipo=2&hora=17-18

At the point in time that El Hierro declared business as usual some sharp spectral lines appeared at about 4Hz, 5.5Hz and 7Hz. In the past I had dismissed these as local noises but I now see they are part of the tremors coming from El Hierro.