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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

A transient decrease in activity in Colima on 3 and 4 October allowed an overview and a closer observation of the volcano: the summit dome subsided under its own weight and the degassing of magma column.
 

Colima dome subsidence  - photo Nick Varley 10.04.2016 / twitter.com - y31OV7bnRB

Colima dome subsidence - photo Nick Varley 10.04.2016 / twitter.com - y31OV7bnRB

Since October 5, the dome is growing again, and present, in the evening shortly after 08:00 p.m. local 20h, an incandescent summit that saturates the webcams, and make incandescent blocks avalanches from the flow that measures approximately 1,900 meters long and 270 meters wide.

Sources: Univ. of Colima, SEGOB and WebcamsdeMexico

 

Colima - on 10.05.2016 - photo Proteccion Civil SEGOB

Colima - on 10.05.2016 - photo Proteccion Civil SEGOB

Colima - increased seismicity on 05/10/2016 - Doc. Univ. Colima

Colima - increased seismicity on 05/10/2016 - Doc. Univ. Colima

Colima - 05.10.2016 / 8:08 p.m. loc. - Photo WebcamsdeMexico / Retuit

Colima - 05.10.2016 / 8:08 p.m. loc. - Photo WebcamsdeMexico / Retuit

Colima - Ignition of the top and saturation of the camera - 05.10.2016 / 8:22 p.m. - webcamsdeMexico

Colima - Ignition of the top and saturation of the camera - 05.10.2016 / 8:22 p.m. - webcamsdeMexico

In Turrialba, we count on October 5 another day of near continuous ash emission, despite a decrease in tremor from 4.10 to 15 pm.

Sources Ovsicori & RSN

 

Turrialba - 05.10.2016 / 5:43 5 - the volcano deserves its name "White Tower" - RSN webcam

Turrialba - 05.10.2016 / 5:43 5 - the volcano deserves its name "White Tower" - RSN webcam

Guatemala's Santiaguito was on October 5 the seat of an active degassing of the dome at a height of 3,100 meters asl, and of several explosions, accompanied by a gray plume rising between 3,500 and 3,800 meters asl. and ash falls on an E-S-SW sector.

Sources: INSIVUMEH & Conred

 

Santiaguito - 05.10.2016 / 5:50 - photo INSIVUMEH

Santiaguito - 05.10.2016 / 5:50 - photo INSIVUMEH

The Bulusan generated this Oct. 6 early in the day a small phreatic eruption, which lasted about fifteen minutes according to the records of seismographs. Cloud cover prevented any visual observation.
Ash fallout are reported on Gubat area; rumblings were heard in Barangay San Roque and Bulusan.
The Phivolcs reported a total of 40 volcanic earthquakes in the last 24 hours, and moderate emission of steam from the southwest vents. Mild inflation is recorded since July 2016.

Source: Phivolcs

Mt. Bulusan - photo archive CNN Phil. / Courtesy of Mon Lorilla 14/06/2016

Mt. Bulusan - photo archive CNN Phil. / Courtesy of Mon Lorilla 14/06/2016

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