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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
 Asosan - the crater under the ashes after the eruption of April 2016 - Photo Kyodo / Reuters

Asosan - the crater under the ashes after the eruption of April 2016 - Photo Kyodo / Reuters

Mount Aso erupted this Saturday, October 8th, 2016 at 1:46 local; the explosion propelled a plume of ash to 11,000 meters.
Friday, an eruption of lesser intensity occurred at 21:52.

Following these eruptions, the JMA has raised the alert level to 3 on a scale of 5, with prohibition to approach the volcano.
The eruption make not victims.

Sources: JMA and local press.

 

Mecanism of the eruption of Aso on 08.10.2016 - doc.The Yomiuri Shimbun

Mecanism of the eruption of Aso on 08.10.2016 - doc.The Yomiuri Shimbun

2016.10.08 - SO2 cloud from Aso drifting over Tokyo

2016.10.08 - SO2 cloud from Aso drifting over Tokyo

Volcanis ash advisory 08.10.2016 / 3h UTC - Doc. VAAC Tokyo

Volcanis ash advisory 08.10.2016 / 3h UTC - Doc. VAAC Tokyo

In Colima, the eruption, which began September 29, is still ongoing. The flow is still active, and seismicity remains high, although with a tendency to decrease.

Also in Mexico, Popocatépetl had 338 exhalations in 24 hours, accompanied by water vapor plumes, gas and small amounts of ash.
A slight nocturnal glow, increasing by episodes was reported in late night.


Source: CENAPRED

 Colima - 07.10.02016 / 6:42 - WebcamsdeMexico

Colima - 07.10.02016 / 6:42 - WebcamsdeMexico

 Colima - 07.10.02016 / 7:17 - WebcamsdeMexico

Colima - 07.10.02016 / 7:17 - WebcamsdeMexico

Popocatépetl - exhalation 07.10.2016 / 10:23 - webcamsdeMexico

Popocatépetl - exhalation 07.10.2016 / 10:23 - webcamsdeMexico

In Guatemala, a strong degassing characterized the Santiaguito on October 7, forming a plume rising to 3,000 meters asl before dispersing to the SW. During the night and in the morning, 7 moderate explosions were accompanied by plumes of gray ash reaching a height of 3,300 m asl, dispersed to 3,000 m towards the SW, with falls of ash on the area of ​​Finca San José, and at higher elevations to the NE to Santa Maria to San Martin Sacatepequez.

Heavy rains over the region have resulted in a moderate lahar on October 6 to 8:18 p.m., descending the Rio Angel Cabello.

 

Santiaguito - small explosion 10.07.2016 / 6:08 - photo INSIVUMEH

Santiaguito - small explosion 10.07.2016 / 6:08 - photo INSIVUMEH

A white colored low outgassing amount to 4,100 m asl mark the Fuego, interspersed with 16 explosions, including 4 high, accompanied by plume of gray ash amount to 4400-4700 m asl and then dispersing on 12-15 km towards the S- SE. The explosions were accompanied by incandescent pulses about 200 m above the crater and avalanches in the vicinity of the crater. Ash falls were reported on OVFGO, Morella Panimache I & II.

Sources: INSIVUMEH & Conred

Bromo - 26/09/2016 - photo Oystein Lund Andersen

Bromo - 26/09/2016 - photo Oystein Lund Andersen

After increasing its alert level from 2 to 3 on September 26th, the activity remained at Bromo, where PVMBG reported this on October 6 the almost continuous emission of a gray to brownish plume to 500 - 700 meters above the crater, pushed by the wind toward the west-northwest.
The recommendations not to enter an area of ​​2.5 km around the crater remain in force.

Source: PVMBG

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