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Volcanic activity worldwide 25 Jun 2019: Fuego volcano, Popocatépetl, Krakatau, Shiveluch, Ibu, Duk...

Tuesday Jun 25, 2019 21:00 PM | BY: SEVERAL CONTRIBUTORS

Map of today's active volcanoes
Map of today's active volcanoes
View of the vertically rising and expanding plume head during the peak phase of the eruption of Raikoke volcano during 21-22 June, 5th or 6th explosive phase (image: NASA Earth))
View of the vertically rising and expanding plume head during the peak phase of the eruption of Raikoke volcano during 21-22 June, 5th or 6th explosive phase (image: NASA Earth))
The ash column rising above the summit.
The ash column rising above the summit.
Satellite image of Manam volcano on 25 Jun 2019
Satellite image of Manam volcano on 25 Jun 2019
Satellite image of Ibu volcano on 25 Jun 2019
Satellite image of Ibu volcano on 25 Jun 2019
This morning's explosion at Krakatau (image: PVMBG)
This morning's explosion at Krakatau (image: PVMBG)
Satellite image of Dukono volcano on 25 Jun 2019
Satellite image of Dukono volcano on 25 Jun 2019
Shiveluch (Kamchatka): (25 Jun) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: VA IS NOT IDENTIFIABLE IN SATELLITE IMAGERY.

Raikoke (Central Kuriles): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 38000 ft (11600 m) altitude or flight level 380 .
The full report is as follows: VA FROM 20190621/1810Z ERUPTION to 38000 ft (11600 m)
...25 Jun:
NASA published an amazing photograph of the circular eruption column topping out at around 43,000 ft (13 km) altitude, during the peak phase of activity around noon of 22 June (local time).
It beautifully displays circular gravity waves in the plume head created by the overshooting and falling back of the ash-gas mixture of the plume at maximum height, where the plume's buoyancy has decreased to zero in the thinner atmosphere at altitude.
These waves are similar to the circular waves created on the water surface when an small object, e.g. a stone falls into it and causes a local displacement of the water that then spreads out in expanding circles..
...25 Jun:
We finally have information about the situation on the ground, courtesy of a ship that was passing in the area during the large eruption on Sunday. As expected, there is a lot of damage!

Meanwhile, the drifting plumes continue to disperse over the Aleutian Islands. Updates continue to be released by Anchorage VAAC. The Aviation Colour Code has been lowered to Yellow.

Credit for all images: Nik Pavlov via KVERT.

Manam (Papua New Guinea): (25 Jun) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 .
The full report is as follows: CONTINUOUS VA EMISSION TO FL120 EXT NW OBS VA DTG:25/0340Z to 12000 ft (3700 m)

Ibu (Halmahera, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 8000 ft (2400 m) altitude or flight level 080 and is moving at 10 kts in SE direction.
The full report is as follows: DISCRETE VA ERUPTION TO FL080 AT 25/1240Z OBS VA DTG:25/1345Z to 8000 ft (2400 m)

Krakatau (Sunda Strait, Indonesia): The volcano continues to be restless. Most of the time, its crater is only steaming, but occasionally, strong steam-driven explosions happen.
One occurred earlier today at 09:18 local time and was captured today by a monitoring camera installed near the crater rim:
... [read more]

Dukono (Halmahera): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .
The full report is as follows: VA OBS TO FL070 MOV SE AT 25/1220Z OBS VA DTG:25/1245Z to 7000 ft (2100 m)

Popocatépetl (Central Mexico): (25 Jun) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS HAS DISP. /

Fuego (Guatemala): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: POSSIBLE VA EM 25/1510Z

Sangay (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA DETECTED IN STLT.

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 10 kts in W direction.
The full report is as follows: CONT 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 22000 ft (6700 m) altitude or flight level 220 and is moving at 20 kts in NE direction.
The full report is as follows: continuous ash emissions to 22000 ft (6700 m)

Ubinas (Peru): (25 Jun) Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: UNABLE TO DETECT
Previous news
Map of today's active volcanoes
Monday, Jun 24, 2019
Shiveluch (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 10 kts in SE direction. ... [more]
Map of today's active volcanoes
Sunday, Jun 23, 2019
Shiveluch (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 13000 ft (4000 m) altitude or flight level 130 and is moving at 15 kts in E direction. ... [more]
Map of today's active volcanoes
Saturday, Jun 22, 2019
Etna (Sicily, Italy): The volcano observatory (INGV Catania) reported that after a pause in explosive activity from its summit crater, weak intermittent ash emissions have resumed this morning. ... [more]
Map of today's active volcanoes
Friday, Jun 21, 2019
Azuma (Honshu): On 17 June JMA lowered the alert level for Azumayama to 1 (the lowest level on a 5-level scale), noting that deformation and elevated seismicity recorded in May had stabilized and decreased, respectively. ... [more]
Map of today's active volcanoes
Thursday, Jun 20, 2019
Ebeko (Paramushir Island): (20 Jun) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 and is moving at 30 kts in NE direction. ... [more]

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