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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
Fuego - 09.07.2017 - webcam Insivumeh

Fuego - 09.07.2017 - webcam Insivumeh

In the Fuego, a high level of activity is characterized on 9 July by 7 to 10 explosions per hour, accompanied by plume rising up to 4,800 meters asl., then traveling 15 km to the west.
Ash falls are reported on Morella, Santa Sofia, Panimache and Sangre de Christo.
The explosive activity entails avalanches of blocks and feeds a lava flow borrows the barranca Las Lajas over 1.500 meters.


Source: Insivumeh

Poas -08.07.2017 / 15:09 local - webcam Ovsicori

Poas -08.07.2017 / 15:09 local - webcam Ovsicori

In Poas, the seismic network recorded various volcano-tectonic earthquakes, associated with fracturing of rocks in the zone south of the crater, the most important of magnitude 2.8 on July 8 at 23:41, and magnitude 3.2 to 6:57 .
The vigorous emissions of white-blue plumes of steam, magmatic gases and aerosols are persistent at mouth A (Boca Roja) and mouth B (Boca Azufreda), from which native sulfur is emitted. Ash is emitted at intervals in moderate amounts by mouth A.         During the night, fragments of incandescent rocks are expelled at short distance and low altitude. The plumes rise between 200 and 600 meters above the bottom of the crater and spread to the NO - O, affecting Poas National Park, Cabuyal, Naranjo, San Ramon, Esquipulas, Palmares, Cirrí, Grecia, Tacares, Zarcero, Bajos del Toro, Laguna, Picado, Alto Palomo, Ciudad Quesada, San Jose de la Montaña, Aguas Zarcas.


Source: Ovsicori-UNA

Poas - midnight ash plume on July 8, 2017 - Ovsicori-UNA video

In Kamchatka, Volkstat reported explosions at Sheveluch on 27 June at around 13:12 local time with a plume rising to 6,000 meters and a pyroclastic flow over 6 km in a southeasterly direction.

Source: Volkstat 28.06.2017

Sheveluch - 27.06.2017 - webcam KVERT

Sheveluch - 27.06.2017 - webcam KVERT

Sheveluch - 27.06.2017 - picture of Volkstat

Sheveluch - 27.06.2017 - picture of Volkstat

On the Dieng plateau / Java, the Sileri crater continues to degas. No eruptions are reported today, nor toxic emissions. The BNPB recommends staying more than 100 meters from the crater.
 
Source BNPB

Plateau of Dieng / Sileri crater - 09.07.2017 / 18h04 - photo PVMBG

Plateau of Dieng / Sileri crater - 09.07.2017 / 18h04 - photo PVMBG

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