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Volcanic activity worldwide 5 Nov 2020: Klyuchevskoy volcano, Popocatépetl, Barren Island, Merapi, ...

Thu, 5 Nov 2020, 21:00
21:00 PM | BY: SEVERAL CONTRIBUTORS
Map of today's active volcanoes
Map of today's active volcanoes
The lava flow from Klyuchevskoy volcano on 3 November (image: @tonyveco/twitter)
The lava flow from Klyuchevskoy volcano on 3 November (image: @tonyveco/twitter)
Aerial Observations of Manam, Papua New Guinea (Image: Lui et al. 2020)
Aerial Observations of Manam, Papua New Guinea (Image: Lui et al. 2020)
A satellite image of Merapi volcano on 26 October (image: @infomitigasi /twitter)
A satellite image of Merapi volcano on 26 October (image: @infomitigasi /twitter)
An ash plume from Barren Island volcano (image: @georgetgeorge/twitter)
An ash plume from Barren Island volcano (image: @georgetgeorge/twitter)
Klyuchevskoy (Kamchatka): (5 Nov) The effusive-explosive eruption of the volcano continues at moderate levels.
A satellite image from 3 November shows the lava flow on the southeast flank along the Apakhonchich chute has increased in length. The length of the lava flow is unknown and was not reported, but from available imagery and compared to the last update image (31 October) seems to be longer.
Near-continuous strombolian explosions produce emissions of water vapor, gases and small amounts of ash.

Manam (Papua New Guinea): (4 Nov) Improved early warning systems are crucial for minimising loss of life and effectively planning for volcanic emergencies. Typically, volcanologists use seismic monitoring as their main indicator of imminent volcanic activity. As technology advances, alternative early warning system methods are being explored by volcanologists.
A better understanding of the chemistry within a volcanic plume, and the clues about future eruptions that might be contained within, may lead to more accurate forecasting of future volcanism.
... [read more]

Merapi (Central Java, Indonesia): PVMBG reported that an alert level for the volcano was raised from the level 2 to level 3 as an increase of seismicity has been recorded.
After the powerful eruptions on 21 June a seismicity remains elevated including shallow volcano-tectonic earthquakes.
... [read more]

Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 19000 ft (5800 m) altitude or flight level 190 .
The full report is as follows: ONGOING VA EMS OBS VA DTG:05/1556Z to 19000 ft (5800 m)

Sangay (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report:

Reventador (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 5 kts in NE direction.
The full report is as follows: NEW VA EMS to 15000 ft (4600 m)

Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 25000 ft (7600 m) altitude or flight level 250 .
The full report is as follows: continuous ash emissions to 25000 ft (7600 m)

Villarrica (Central Chile): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: ONLY STEAM AND GASES

Copahue (Chile/Argentina): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: ONLY STEAM AND GASES

Barren Island (Indian Ocean): After a one year calm period with little or no activity, it seems to have picked up again since around 6 November last year.
Today at around 06:45 local time Volcanic Ash Advisory Center (VAAC) Darwin recorded an explosive eruption at the Indias's only active volcano that generated an ash plume, which reached approx. 5,000 ft (1,500 m) altitude and drifted SW.
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