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Earth of fire

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

Publié le par Bernard Duyck
Publié dans : #Actualités volcaniques
Tungurahua - Little ash plume from 07.14.2015 / 9:11 - photo F. Vásconez, OVT

Tungurahua - Little ash plume from 07.14.2015 / 9:11 - photo F. Vásconez, OVT

In Ecuador, the Tungurahua, characterized by a moderate activity since late April, presented on 14 July 4th, four explosions between 8:55 and 9:30 local time, accompanied by a plume of ash and gas amount to around 2,000 meters above the crater . Fine gray ash fell on the southwest area of ​​the volcano.

The IGEPN accurate, based on the monitoring, that the increased activity of the Tungurahua happened gradually, characterized by a moderate internal activity and superficial manifestations of low intensity in recent weeks.

Source: IGEPN

 

Tungurahua - 4 explosions of the volcano in the morning 07.14.2015 - Doc. IGEPN

Tungurahua - 4 explosions of the volcano in the morning 07.14.2015 - Doc. IGEPN

Tungurahua - "ash and stars" - photo 14/07/2015 José Luis Espinosa-Naranjo

Tungurahua - "ash and stars" - photo 14/07/2015 José Luis Espinosa-Naranjo

Also in Ecuador, Quito Committee of Emergency Operations held a session for prevention against a possible eruption of Cotopaxi.

In an interview with El Comercio newspaper, the directecteur of IG expressed abnormal but reversible activity ... the number of earthquakes is ten times higher than normal, and sulfur dioxide emissions reached 2,500 tons / day against normally 300 tons / day, factors involving a constant monitoring of the volcano.

Given the huge snow cover of the volcano, a great risk of lahars is related to a possible eruption.

Four temporary refuge areas have been defined, which can accommodate about 200,000 people in tents, and fifteen meeting points with a capacity of 100,000 people in the area of ​​influence (valleys)

Source : El Comercio – Quito prepara su plan de contingencia frente a una eventual erupción del Cotopaxi - link

The summit and the crater of Cotopaxi July 8, 2015 - photo tomada Prensa Quito.Gob.Ec.

The summit and the crater of Cotopaxi July 8, 2015 - photo tomada Prensa Quito.Gob.Ec.

In Mexico, activity appears to have decreased at Colima, characterized, yesterday July 15, by a rather clear and permanent plume. Some rockfall and incandescence at crater level become more visible in the early evening from 21:00 am local.

Luis Felipe Puente, Coordinador Nacional de Protección Civil of the Secretaría de Gobernación, has posted pictures of Barranca de Montitlán, affected by the activity of Colima, where animals and trees were burned by a pyroclastic flow

Sources: webcamsde Mexico and Luis Felipe Puente / Twitter

 

Colima - 15/07/2015 7:36 p.m. & 7:54 p.m.- photo webcamsdeMexico
Colima - 15/07/2015 7:36 p.m. & 7:54 p.m.- photo webcamsdeMexico

Colima - 15/07/2015 7:36 p.m. & 7:54 p.m.- photo webcamsdeMexico

La Barranca Montitlán affected by a pyroclastic flow of Colima - photo Luis Felipe Puente / Twitter

La Barranca Montitlán affected by a pyroclastic flow of Colima - photo Luis Felipe Puente / Twitter

Increasing seismicity reported by the PVMBG early July led this 16 July at 9:58 on a local explosion at the Gamalama in the Moluccas. She was accompanied by a plume amount 1,500 meters, and falls of ash on Ternate. The alert level remains at II / waspada with a no-go zone of 1500 meter-radius zone around the crater.

According to Darwin VAAC, the cloud dissipates issued and it is not expected of other emissions.

Sources: Aris Yanto / Twitter and VAAC Darwin

Gamalama - left, explosion 07/15/2015 - photo Piter Silulu via Aris Yanto - right, ash dispersion of Gamalama notice  / VAAC Darwin 7/16/2015 - a click to enlargeGamalama - left, explosion 07/15/2015 - photo Piter Silulu via Aris Yanto - right, ash dispersion of Gamalama notice  / VAAC Darwin 7/16/2015 - a click to enlarge

Gamalama - left, explosion 07/15/2015 - photo Piter Silulu via Aris Yanto - right, ash dispersion of Gamalama notice / VAAC Darwin 7/16/2015 - a click to enlarge

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