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Thread: Tirelessly updating Avalon on the El Hierro eruption.

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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Polly!!!


    There she is, from screen shots of the videos released by ULPGC:

















    These views, although not very impressive and probably weeded out of the "good stuff," have been hoped for ever since Ramon Margalef and its Liropus 2000 were rumored to visit the area... that's been a very long wait!

    That's what all the fuss is about.
    Last edited by Hervé; 16th March 2012 at 22:16.
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Here is my translation of the ULPGC press release:


    ULPGC scientists prove that life has returned to the Mar de Las Calmas but the volcanic center remains active

    16/03/2012

    Scientists at the University of Las Palmas de Gran Canaria, aboard the research vessel chartered by the university to campaign in the Sea of Calm (El Hierro) have filmed the submarine volcanic cone by means of a submarine robot from the Atlantic Explorer vessel and was the first camera to sit atop the cone of the volcano.


    Scientists say there is no tremor in the water, but you can see a "shower of glowing stars" at the mouth of the volcano, as the central volcano remains active and which surrounding water has been sampled at over 60 º C temperature. In the area, it also has been shown that marine life has come back near the volcano.

    The campaign, called 2-ULPGC Guayota, involved researchers from GEOVOL (Land Group Volcanic Geology), the Division of Robotics and Computational Oceanography (IUSIANI University Institute of Intelligent Systems and Numerical Applications in Engineering) and IOCAG (Institute college of Oceanography and Global Change) - all of ULPGC - and in collaboration with the Jaume Almera Institute (CSIC) and the Oceanographic Centre of Canary (IEO).


    The campaign takes place aboard the R/V Atlantic Explorer (QSTAR SLU) for the study of the underwater volcano of El Hierro and oceanographic involvement as well as observation and filming of the volcanic cone.

    The results of the first images recorded are:

    - For the first time, images of the new undersea volcano which appeared near La Restinga (El Hierro) have been obtained from its southwestern flank and near the crater area (to 172 m)

    -Both missions have shown that the main volcanic center is still active

    - Emerging from depths of about 120 m, shows the formation of convective hot jets reaching depths of about 40-60 m. At the outlet, on Tuesday the 13th, the ROV entered one of them and made ​​several turns uncontrolled, while the sensor temperature increased sharply

    - Also from the same depths are generated pyroclastic projections about 40-50 m in height (ie the pyroclasts reach depths of 80-70 m), which rapidly form ballistic trajectories (parabolic) and fall under gravity. Some of these pyroclastic seem to be large (volcanic bombs type)

    - The dive, during Wednesday the 14th, to film the southwest flank of the main cone, shows that it has a steep slope and is formed mainly by large pyroclastics, some of which are similar to the hollow volcanic bombs that reach the surface in the months of November and December

    - Finally, at a depth of about 170m and under a rain of ash, a school of fish (amberjack possibly) living near the edge of the volcano. Also, confused with the ashes, is observed many small bodies and, closer to the surface, jellyfish.



    The University of Las Palmas de Gran Canaria chartered a boat to facilitate scientific research in the sea of ​​Restinga (El Hierro), in the area of the submarine volcano.

    The Vice President for Research, Development and Innovation ULPGC, directed by Fernando Real, has coordinated the rental, from the QStar company, of the vessel Atlantic Explorer, which will perform 7 research cruises in three and a half months, from February 17 . The investigations are conducted by scientists from the Departments of Biology, Physics and Chemistry of the University Institutes of Oceanography and Global Change (IOCAG), Intelligent Systems and Numerical Applications in Engineering (SIANI) and Animal Health (IUSA), the Spanish Bank of Algae and research groups in Biological Oceanography, Physics and Satellite, Marine Chemistry, Robotics, Marine Ecology and Fisheries and geology, among others.
    Last edited by Hervé; 16th March 2012 at 18:34.
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Let's hope it all stays calm for a long long time! Thanks Amzer for your continuous monitoring - this thread is so important as it imparts calm where there was none before. A positive thread indeed!
    Avid
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    This is what I meant by the "Harmonic Tremor getting fluffier" in post # 1997:



    The traces on the seismograms do not show much variations but the harmonic Tremor frequencies are beginning to fill up the space again, although the 0.59Hz strip of red intensity is still absent.

    Now, thanks to "Wall-E", what I have suspected for quite a while -- that there is no direct correlation between Harmonic Tremor and the emission/ejection of volcanic materials per se (see post # 1915 and post # 1922) -- has been confirmed!

    That, BTW, implies the circulation of magmatic material on its way to ejection... yet, that motion is not evidenced by a signature in the Harmonic Tremor either.

    That simply means that all the high priests from the scientific community who derived their conclusion of the end of the volcanic activity at La Restinga from the look of the Harmonic Tremor flat line are going to have to find another credo.
    Last edited by Hervé; 18th March 2012 at 12:23.
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Meanwhile, it seems some people have been successful in the lobbying "coulisses."


    Repsol authorised to search for oil off Canaries shores

    Posted by Canaries News on March 16th, 2012

    (Archive image)


    A Council of Ministers has today (Friday, 16th March 2012) authorised the company Repsol to make ‘spot checks’ in Canary Island waters to search for hydrocarbons (oil and gas). A spokesperson for the Ministry of Industry, Energy and Tourism confirmed that Jose Manuel Soria agreed to the authorisations.

    The surveys will be conducted over nine ‘grids’ in waters to the east of the islands of Lanzarote and Fuerteventura. The authorisation has been rejected by the Regional Executive and the councils of both islands.

    Surveys carried out show that about forty miles from the coast the Canary Islands, near the maritime border with Morocco, there are significant deposits in the neighboring country where exploration work has already begun.

    José Manuel Soria has stressed the desirability of exploring these sites, which serve to reduce energy dependence on Spain and to provide the Canary Islands with ‘additional financial resources’.

    Mr. Soria said the government “will not look the other way when opportunities are identified to reduce energy dependence” and “encourage the work of prospecting oil and gas” in Spain. In addition, he claims to have received information from Repsol that in the waters of the Canary Islands there is a “high probability” of finding oil “in quantity”.


    See Posts #1507, 1728 and 1791

    There you have it: energy independence is not looked in the direction El Hierro is handling it... never mind "Free Energy"... no, it's computed in the direction of "more oil!"
    Last edited by Hervé; 16th March 2012 at 23:46.
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Whaooowww... what a day!

    From Polly's first pictures to...

    ***

    Thank you to the more than 100,000 viewers who support this thread!

    Since July, IGN has officially logged 12,534 tremors at El Hierro... and still counting since the seismic activity is still on going!

    Thank you for your support and for dropping by!


    THANK YOU.......
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Strongest so far (2.5 at 13:38):



    For the day:


    Frequencies spectrogram, the vertical streaks indicate “events” (tremors/EQs) whereas the horizontal ones reflect volcanic/magmatic activity:
    Quote From Wikipedia: A Harmonic tremor is a sustained release of seismic and/or infrasonic energy typically associated with the underground movement of magma and/or venting of volcanic gases from magma. Being a long-duration continuous signal from a temporally extended source, a volcanic tremor contrasts distinctly with transient sources of seismic radiation, such as tremors that are typically associated with earthquake and explosion.


    How is El Hierro looking like, now:



    (Click on picture to go to webcam page)


    Refresh your browser to get the latest traces


    For the last 10 days, it now shows whatever Polly is up to as far as seismic activity is concerned:


    Since the beginning

    New cumulative graph starting October 10, 2011. The continuously changing scales keeps compressing the earlier graphs to the bottom and to the left!


    Location of the EQs for the last 10 days:

    Since the beginning


    Refresh your browser page to get the latest numbers and positions.
    Last edited by Hervé; 17th March 2012 at 15:42.
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Dust haze from the Sahara -- La Calima -- is still enveloping the islands:

    "La réalité est un rêve que l'on fait atterrir" San Antonio AKA F. Dard

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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Another day of Rock-'n-Rolling around the top of a live volcano for the Atlantic Explorer and her crew:



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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Well, I guess the webcam operators have the weekend off or else they've gone off the ball and gone out to lunch/fiesta... 'cause it was busy at La Restinga today:

    Atlantic Explorer back to port...



    Tall ship circling around the harbor entrance...



    ... bopping like a cork...




    ... till permission to dock granted...



    The name is "Aelva":



    Then, Atlantic Explorer went back out for more Rock 'n Rolling...

    ... I guess the M. 2.5 W of La Restinga (SW El Pinar) shook her and her crew into going back out...

    Last edited by Hervé; 17th March 2012 at 15:50.
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    IGN posted GPS data (see post # 1997)... now, I am calling it deliberate obfuscation!

    See, this is what I would call a "useful" display of GPS data; from an Iceland university via volcanocafe.wordpress.com:





    Compared to this useless piece of colorful $><!t from IGN's GPS data page:





    Hope the difference is crystal clear to anyone?

    Utterly sad and pitiful!
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    And now, the goodies on Polly from the ROV cameras (from a PDF received by AVCan Fernando):


    ROV tumbling around:



    2a. - Scoria and incandescent pyroclastic material (80 m) in upward trajectory. Cone to N (compass) (13 Mar 12).




    2b. - Scoria and incandescent pyroclastic material (70 m) in ascendancy. (14 Mar 12).





    3. - Landing on the SW slope of the crater at a depth of 180 m.




    4. - Jellyfish and Amberjacks.
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Strongest so far (no data):



    For the day: :


    Frequencies spectrogram, the vertical streaks indicate “events” (tremors/EQs) whereas the horizontal ones reflect volcanic/magmatic activity:
    Quote From Wikipedia: A Harmonic tremor is a sustained release of seismic and/or infrasonic energy typically associated with the underground movement of magma and/or venting of volcanic gases from magma. Being a long-duration continuous signal from a temporally extended source, a volcanic tremor contrasts distinctly with transient sources of seismic radiation, such as tremors that are typically associated with earthquake and explosion.



    See top of page for the other auto-updating diagrams
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Congratulations on your 100,000 views!
    Thank you Amzer, for your tireless dedication in keeping us informed.
    Last edited by Daughter of Time; 18th March 2012 at 16:20. Reason: incomplete thought

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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Strongest so far (no data):



    For the day: :


    Frequencies spectrogram, the vertical streaks indicate “events” (tremors/EQs) whereas the horizontal ones reflect volcanic/magmatic activity:
    Quote From Wikipedia: A Harmonic tremor is a sustained release of seismic and/or infrasonic energy typically associated with the underground movement of magma and/or venting of volcanic gases from magma. Being a long-duration continuous signal from a temporally extended source, a volcanic tremor contrasts distinctly with transient sources of seismic radiation, such as tremors that are typically associated with earthquake and explosion.



    See top of page for the other auto-updating diagrams
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Aaaaahhhhh... memory, logic, rationality, ripe fruits of observations... where have you gone? Things of the past? Not to be appealed to?

    Why am I asking the above?

    Because of this:

    Quote
    [...] The variation in HT signal is often caused by changes in tide, wind, waves etc, external factors which have nothing linked to the eruption. However, a minimal HT is still present.

    [....]
    ... from Earthquake-report.com...

    See, the quoted excerpt above, in general, is true (see post # 1202).

    However, in the case of the CHIE station which is tweaked so as to not even jitter from a 6.7 quake in Siberia or a 6.9 quake in Japan (see posts # 1955 and 1991)...

    ...I'll let you gather the fruits of your own observations...

    As far as I am concerned, it seems that ER is aligning with the official scientific authorities party credo of "over and done with the damn thing!"
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Not much happening today on the webcams besides some shots of "Aelva":





    ... to the extent that the panoramic webcam went into snooze mode and, nodding off, gave us a view of her little sister; the "eruption zone" one:


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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    Strongest so far (no data):



    For the day: :


    Frequencies spectrogram, the vertical streaks indicate “events” (tremors/EQs) whereas the horizontal ones reflect volcanic/magmatic activity:
    Quote From Wikipedia: A Harmonic tremor is a sustained release of seismic and/or infrasonic energy typically associated with the underground movement of magma and/or venting of volcanic gases from magma. Being a long-duration continuous signal from a temporally extended source, a volcanic tremor contrasts distinctly with transient sources of seismic radiation, such as tremors that are typically associated with earthquake and explosion.



    See top of page for the other auto-updating diagrams
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    The mystery vessel sailing over the restricted eruption area...





    ... belongs to the Spanish Customs Agency (Aduanas) and scheduled to survey the area in alternation with Coast Guard (Guardia civil), Maritime Rescue (Salvamento) and Navy (Armada) vessels as published way back:



    Marzo:
    o Semana del 5 al 11 = Salvamento Marítimo
    o Semana del 12 al 18 = Patrullera de la Guardia Civil
    o Semana del 19 al 25 = Aduanas
    o Semana del 26 al 1 = Armada

    Abril:
    o Semana del 2 al 11 = Patrullera de la Guardia Civil
    o Semana del 12 al 20 = Armada
    o Semana del 21 al 28 = Aduanas

    Mayo:
    o Semana del 1 al 10 = Armada
    o Semana del 11 al 21 = Salvamento Marítimo
    o Semana del 22 al 31 = Patrullera de la Guardia Civil
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    Default Re: Tirelessly updating Avalon on the El Hierro eruption.

    That thingy at 18:14 is the recording of the M.7.4 earthquake in Mexico:




    That same earthquake at La Gomera station:




    That's quite a biggy but thankfully the epicenter was far enough away from Mexico City... Igualapa, almost at the epicentre, got the most damages with over 800 houses severely damaged in the larger area... no casualties reported yet.
    Last edited by Hervé; 21st March 2012 at 18:28. Reason: Added hourly graph from La Gomera
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