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El Hierro vulkaan
schildvulkaan 1500 m
Canary Islands (Spain), 27.63°N / -17.99°W
Current status: normal or dormant (1 out of 5)
El Hierro webcams / Live-gegevens | Reports
El Hierro vulkaan boeken | Tours
El Hierro vulkaanuitbarstingen:
2012 (?) (probable second submarine eruption in June-July west of the island), 2011-12 (Oct-Mar, submarine eruption near La Restinga), 1793
Typical eruption style:
vooral uitbundig, basaltisch spleet erupties
Laatste aardbevingen in de omgeving
Meest recente satellietbeelden

Sentinel hub | Landsat 8
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El Hierro volcano (Canary Islands) news & activity updates

El Hierro volcano (Canary Islands, Spain): earthquake in the El Golfo area, increasing steam and ash fountains and CO2 emissions

Tuesday Nov 08, 2011 23:24 PM |

Explosions above the still submarine vents south of El Hierro are getting stronger and follow one another every 10 to 15 minutes, generating large clouds and sometimes jets of gas, steam and ash mixed with blocks rising to 30-35 meters. At night, red glow is visible above the jacuzzi.
Bij 17:51 GMT, was een 3.4 aardbeving onder de El Golfo gebied gevoeld op het eiland. Het is nog niet duidelijk of een seconde eruptieve vent actief is in dat gebied. Als gevolg van de veel grotere diepte, zou het moeilijker te zien op het oppervlak.
In de tussentijd, wetenschapper van IGN en PEVOLCA (civiele bescherming voor vulkanische risico) blijven toenemende niveaus van kooldioxide, een ander teken dat magma is rising en dichter bij de oppervlakte van de zee. De mogelijke aanwezigheid van drifting lagen van de dodelijke CO2 is een nu ernstig risico voor iedereen op lage hoogte in de buurt van de uitbarsting.

El Hierro volcano (Canary Islands, Spain): eruption expected to breach the surface soon

Tuesday Nov 08, 2011 15:30 PM |

One of the explosions ejecting ash above the surface (image: Radio Televisión Canaria, http://www.rtvc.es/)
One of the explosions ejecting ash above the surface (image: Radio Televisión Canaria, http://www.rtvc.es/)
The area of the submarine vent on 7 Nov (image: INVOLCAN)
The area of the submarine vent on 7 Nov (image: INVOLCAN)
Close-up photo and thermal image showing the water temperature increase at the fountain south of La Restinga on 7 Nov (image: INVOLCAN)
The area south of La Restinga 7 Nov (image: INVOLCAN and Civil Protection)
Signs are increasing that the submarine eruption south of El Hierro could be breaking the ocean surface very soon. At the moment, there are 2 areas with violent bubbling fountains (locally called "jacuzzi") up to 20 m high where the water temperature has increased by at least 10 deg C. Occasionally, the first small explosions are seen ejecting rocks, pumice and ash.
Wanneer de volgende (zogenaamde Surtseyan) fase van gewelddadige, duurzame stoom en as explosies begint is nog onbekend, maar het lijkt zeer waarschijnlijk nu en kon zelfs gebeuren zeer binnenkort. Dit soort phreatomagmatic activiteit wordt veroorzaakt door de interactie van lava dicht bij de zee oppervlak en is de tweede fase van de bouw van een nieuw eiland.
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Koppelingen / Bronnen:
  • El Hierro Volcano (Canary Islands) updates on Earthquake-Report.com

El Hierro volcano (Canary Islands, Spain): eruption moves towards ocean surface

Sunday Nov 06, 2011 20:00 PM |

Close-up of one of the fountains (jacuzzi) south of La Restinga (image: INVOLCAN)
Close-up of one of the fountains (jacuzzi) south of La Restinga (image: INVOLCAN)
Discolored water around the vent of the eruption (image: INVOLCAN)
Discolored water around the vent of the eruption (image: INVOLCAN)
The submarine eruption south of El Hierro Island is getting closer to the surface and approaching the so-called Surtseyan stage (named after the 1963 eruption and birth of Surtsey Island south of Iceland).
Eerste kleine stoom explosies en water fonteinen zijn waargenomen. Deze Geysir-achtige fonteinen bereiken 10-20 m hoogte. Het is waarschijnlijk dat er meer explosieve activiteit, de zogenaamde phreatomagmatic explosies (veroorzaakt door water te mengen met lava), in de nabije toekomst, en mogelijk het ontstaan ​​van een nieuw eiland. De activiteit wordt begeleid door een sterke beving en een stoom explosies is ook te zien op de opnamen.
Het niet kan worden voorspeld of en wanneer de uitbarsting een stadium eiland-gebouw bereikt, maar kansen duidelijk steeds groter elke dag, dat nieuwe land uit de zee een van deze dagen verschijnt.
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Koppelingen / Bronnen:
  • INSTITUTO VOLCANOLÓGICO DE CANARIAS (INVOLCAN)

El Hierro volcano (Canary Islands, Spain): strong volcanic tremor suggesting a new eruption

Thursday Nov 03, 2011 12:13 PM |

Increasing tremor signal (3 Nov 2011) at El Hierro
Increasing tremor signal (3 Nov 2011) at El Hierro
Seismic activity beneath the El Golfo region has further increased and there is now a strong tremor signal. This suggests that a second submarine vent might in fact have started to erupt.
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Koppelingen / Bronnen:
  • Seismic recording at El Hierro in real-time (IGN)
Vorig nieuws
Tuesday, Nov 01, 2011
The seismic activity off the NW coast of El Hierro under the El Golfo area is intensifying and near the same levels immediately before the ongoing submarine eruption south of the island. ... [meer...]
Saturday, Oct 29, 2011
While the submarine eruption south of El Hierro Island continues, a large number of mostly deep (around 20km) earthquakes of up to 3.3 magnitude have been occurring in the gulf off the NW coast of this island. ... [meer...]
A true color, high-resolution RapidEye satellite image taken on 26 Oct featuring the gigantic stain visible on the surface of Las Calmas Sea, and even the vent area visible as the brown spot near the southern tip of the island. Image courtesy and copyright RapidEye.net
Saturday, Oct 29, 2011
The Spanish research vessel Ramon Margalef has surveyed the vent area of the new ongoing submarine eruption south of El Hierro with the help of a diving robot, and presented a digital model for the news crater, which formed above an undersea valley at 250 m depth and forms a cone rising now more than 100 m containing a 120 m wide crater. Even submarine (pillow) lava flows are recognized on the elevation model presented. If the pictures presented by IEO really are showing the new volcano, it is the first time that the birth of a seamount has been documented this way. ... [meer...]
Saturday, Oct 15, 2011
The ongoing submarine eruption south of El Hierro, the first eruption in the Canaries in 40 years, continues from probably 2 vents at depths below 250 m under the water surface. It seems that the eruption is the submarine equivalent of a typical fissure eruption as often observed on basaltic shield volcanoes. ... [meer...]
Tuesday, Oct 11, 2011
The volcanological observatory of the Canaries ahs raised the volcanic alert level to the maximum "Red" for the southernmost city on the island, La Restinga, and the government of the Canaries has announced to evacuate the population of La Restinga as a measure of precaution. ... [meer...]
 

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