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Earth of fire

Actualité volcanique, Articles de fond sur étude de volcan, tectonique, récits et photos de voyage

Publié le par Bernard Duyck
Publié dans : #Actualités volcaniques
 Poas - visit of the volcanologists on 03.04.2017 - photo Q CostaRica

Poas - visit of the volcanologists on 03.04.2017 - photo Q CostaRica

After several months of relative calm, Poás volcano began to reactivate with small phreatic eruptions and ash emissions from the dome due to an overpressure of the system. A plume consisting of steam, ash and water was issued shortly after 11 am. Saturday, April 1, and reached a height of 60 meters, according to Vulcanologists Gino Gonzalez and Yemerith Alpízar, of Volcanoes without Borders, who visited it over the weekend.

The two specialists were in the southwest sector of the colossus crater where they found that the lake increased its temperature to 3°C compared to last month (the temperature is now 38°C). They observed that the lake has a gray color with sulfur floating in several areas, with a very acidic gas that require the use of masks. For the moment there is no presence of magma.
Similarly, Gonzalez and Alpízar found a fine gray material with black particles around the lake.
 
Source: Teletica & Q Costa Rica

Poas - 03.04.2017 - fine ash surrounding the acid lake - photo Gino Gonzalez / Volcanoes sans frontières

Poas - 03.04.2017 - fine ash surrounding the acid lake - photo Gino Gonzalez / Volcanoes sans frontières

On the 4th of April, Mount Etna presented at dawn a trio of incandescent sites, sharp on the snow that covers the summits: the Voragine, the southeast crater and the effusive vent.


Source: Boris Behncke

Etna 04.04.2017 / at dawn - Three incandescent points on the snowy summit: on the left, the Voragine - on the right, the southeast crater, and the effusive vent - photo Boris Behncke

Etna 04.04.2017 / at dawn - Three incandescent points on the snowy summit: on the left, the Voragine - on the right, the southeast crater, and the effusive vent - photo Boris Behncke

Courtesy: Cory Turner via Storyful / <iframe width = "560" height = "315" src = "https://www.youtube.com/embed/HO2va7z_dz4" frameborder = "0" allowfullscreen>

The OVPF has put online two novelties concerning the Piton de La Fournaise:
Two new webcams, previously available for internal use, are now available.
In addition to the monthly newsletter, a daily "activity preliminary" bulletin is updated at 10 am, with informations over seismicity and deformations.


Source: OVPF - link to the daily bulletin

Piton de La Fournaise - OVPF puts 2 more webcams available - Source OVPF

Piton de La Fournaise - OVPF puts 2 more webcams available - Source OVPF

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