[breaking] Vulkaanuitbarsting bij Canarische Eilanden #2

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Op woensdag 16 november 2011 22:53 schreef Frutsel het volgende:
Nu nog een flinke beving en het gaat los daar
Kwestie van uren?

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Op donderdag 17 november 2011 08:53 schreef bwt het volgende:
tremor plaatjes
is inderdaad HEEL erg sterker geworden.
[ afbeelding ][ afbeelding ]

slechts 4 bevingen sinds middernacht?

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Op donderdag 17 november 2011 09:31 schreef Keiichi het volgende:
Er vaart een bootje in de buurt van de vulkaan!

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Op donderdag 17 november 2011 09:56 schreef Jumparound het volgende:

[..]

Ja, hij is verkouden ;-)
Straks hoor je PLOP! *borrel* *borrel* *borrel* *borrel*

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Op donderdag 17 november 2011 10:45 schreef Keiichi het volgende:
Gaan we zulke analogien trekken?

Heb je dan nooit dat je ongelofelijk moet, maar dat het niet lukt en na een tijd komt die met een noodvaart eruit en denk je. "AHHHHH! Eindelijke "

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Op donderdag 17 november 2011 12:20 schreef Jumparound het volgende:

[..]

misschien moeten we de vulkaan een paar hectoliter olijfolie voeren!

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17/11/2011 @ 11:49 So far today there have been 9 earthquakes on El Hierro registering over 1.5 derees, the majority to the north-west of the island. The largest one registered was 2.5 and occured at 09:09.

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Update 17/11 11:08 UTC
Joke reports from her current location in La Restinga that she sees 2 white patchy vents .
She talks about an amazing colorful event (she is an artist ). The sea looks less green than usual, but patches of green material and incredibly nice blue strings.
- Unfortunately our webcam views do not reveal anything from these colors.
- We just asked her to make a picture of what she sees.
- As reported earlier, the Guardia Civil boat with the Involcan scientists on board will certainly publish pictures of the coloring later today.

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Scientists at the Institute of Technology and Renewable Energies (ITER), an agency of the Cabildo Insular de Tenerife which now form part of volcanological Institute of the Canaries (non-tip), reported to management of the Civil Protection Special Plan for Volcanic Risk Canary Islands (Pevolca) on the results of his research on chemical and isotopic composition of dissolved gases in the area of submarine eruption, which have provided results in an enrichment of helium in water from the sea south of La Restinga .


Ensure that the purpose of this study is to detect and delineate water bodies affected by discharges magmatic-hydrothermal volcanic-submarine volcano from the south of La Restinga.

According to his data, geochemical vertical profiles carried out in the sea the Las Calmas near the area where there is more volcanic gases bubbling highly significant enrichments reflect helium (He) and carbon dioxide (CO2) dissolved in seawater. These enrichments are stressed about 100 meters deep in vertical geochemical profiles closer to the bubble located south of the Restinga as a result of the depth of the submarine eruptive mouth, the magnitude of volcanic-download-magmatic hydrothermal and ocean current predominates.

Experts explain that helium is the second most common element in the universe, after hydrogen, however, the atmosphere contains only five parts per million (ppm) of helium, with concentrations in sea water are still much lower, as there become 4-7 ppt higher than helium (He).

Also, the helium enrichment observed in the Sea Las Calmas become between 4,000 and 35,000 times higher helium concentrations considered normal seawater.

The realization of these geochemical vertical profiles has been made possible by the logistical support provided by the research vessel "Professor Ignacio Lozano 'and the collaboration of the Canary Institute of Marine Sciences (ICCM), the Canary Islands Oceanic Platform (Plocan) and the Spanish Institute of Oceanography (IEO).

Currently two members of the non-tip are in the Oceanographic Vessel 'Ramon Margalef' of the Spanish Institute of Oceanography (IEO) in order to evaluate the possible existence of helium enrichment in the sea water north of the island of El Hierro .

Non-tip is an institution demanded unanimously by the Senate (2005), Parliament of the Canary Islands (2006) and House of Representatives (2009) with the aim of contributing to improving and optimizing the management of volcanic risk in Spain.

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SIMULACION volcan Las Calmas

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Data Update 18/11 10:32 UTC
Some readers have asked us about the size of the Jacuzzi's. As Pevolca, IGN or CSIC almost never gives this kind of information, the picture below might give you a clue. To our own surprise, the Jacuzzi looks far bigger than we initially expected it. The relation in between the size of the helicopter overflying the stain. We assume that the picture has been taken on November 9 (but this is only a guess as the picture is not showing any properties).
Peter Cobbold, a volcano watcher at the Volcanocafe discussion blog : So the bubble is about 20 helicopters diameter= 240m. Thats small. Surtsey before it broke out from underwater was erupting a column of steam and ash 400m across at its base and 1000m+ high.

En de bron met mooiere foto

Imágenes de La Restinga, en El Hierro

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Op zondag 20 november 2011 14:04 schreef Jumparound het volgende:
Komt dus weer vuurwerk!

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Op zondag 20 november 2011 14:15 schreef Resistor het volgende:

[..]

Nou ja, 'vuur'werk...

Alleen wat meer bubbels en gekleurd water

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Data Update 21/11 08:12 UTC
The El Hierro volcano may get tired as the pressure of the magma seems to subside. Too soon to say that the activity will be over, but the subsiding harmonic tremor and the decrease in strength and number of earthquakes are indicators that the strongest eruption period may be over
- 5 M+1.5 earthquakes since midnight
- Strongest earthquake being a 2.6 at 02:02
- Depth of the earthquakes since midnight : 17 to 22 km
- Gradually subsiding harmonic tremor since 03:00 today
- air quality remains GOOD at La Restinga for volcano related emissions
- Weather forecast for today : the wind will be blowing from the North-East. Max. wave height 2.2 m vs 2.6 meter yesterday. Partially cloudy weather.
- more weather prognosis at the El Hierro page of Windfinder.com