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Volcanic activity worldwide 22 Dec 2020: Etna volcano, Klyuchevskoy, Popocatépetl, Shiveluch, Reven...

Tue, 22 Dec 2020, 21:00
21:00 PM | BY: SEVERAL CONTRIBUTORS
Map of today's active volcanoes
Map of today's active volcanoes
Lava fountain from Etna's New SE crater early this morning (image: LAVE webcam)
Lava fountain from Etna's New SE crater early this morning (image: LAVE webcam)
Satellite image of Shiveluch volcano on 22 Dec 2020
Satellite image of Shiveluch volcano on 22 Dec 2020
Red circle shows umbrella region formed by explosion at Sheveluch volcano today (image: KVERT)
Red circle shows umbrella region formed by explosion at Sheveluch volcano today (image: KVERT)
Satellite image of Sakurajima volcano on 22 Dec 2020
Satellite image of Sakurajima volcano on 22 Dec 2020
Strong glow continues to be active at Suwanosejima volcano (image: JMA)
Strong glow continues to be active at Suwanosejima volcano (image: JMA)
Aerial view of Crater Lake at Ruapehu volcano (image: GeoNet)
Aerial view of Crater Lake at Ruapehu volcano (image: GeoNet)
View of the Kilauea crater in the morning of 22 Dec 2020 (image: HVO)
View of the Kilauea crater in the morning of 22 Dec 2020 (image: HVO)
Etna (Sicily, Italy): A third paroxysm occurred at the volcano in the early morning hours today, following the previous one after almost exactly 24 hours.
After around 2 am local time, the New SE crater showed increasing strombolian activity from its main vent (the so-called saddle vent), as well as, to lesser degree, from the eastern summit vent. This activity continued to increase until a phase of lava fountaining set in around 5 am that lasted approx. one hour.
... [read more]

Klyuchevskoy (Kamchatka): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: VA IS NOT IDENTIFIABLE IN SATELLITE IMAGERY.

Shiveluch (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 28000 ft (8500 m) altitude or flight level 280 and is moving at 40 kts in E direction.
The full report is as follows: RESIDUAL VA FM 20201222/0015Z ERUPTION. to 28000 ft (8500 m)
...22 Dec:
A spectacular vulcanic explosion occurred from the crater at 12:20 local time today as volcanological observatory KVERT reported.
Plume of ash rose to an altitude of 16,000 ft (4,876 m) and formed relatively large umbrella region in the upper part of the eruption column as can be seen in the image.
... [read more]

Sakurajima (Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20201222/1221Z OVER FL080 STNR OBS VA DTG:22/1210Z

Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20201222/1214Z FL060 EXTD S OBS VA DTG:22/1210Z
...22 Dec:
Intense explosive activity of the volcano continues characterized by near-constant eruptions.
Strombolian explosions become stronger than the average size of explosions at the volcano and more frequent at regular intervals of 2 to 4 per hour during the past few weeks.
... [read more]

Ruapehu (North Island): GeoNet reported that Crater Lake (Te Wai ā-moe) temperature has been rising and is now 43ºC. During a gas flight last week, the lake was observed to be a uniform grey colour which shows it is well-mixed. The gas output through the crater lake has also increased markedly in response to this heating cycle. The amounts of carbon dioxide (CO2) and sulphur gases (SO2 and H2S) in the plume are the largest measured in the past two decades. The continued flow of gases and hydrothermal fluids though the lake shows that the underlying vent area is open.
Volcanic tremor is being produced as short-lived pulses that coincide with increased gas passing through the crater lake and its plumbing system. Modelling of energy input into the lake has shown increase during the past month from around 200 MW to around 400 MW. Since 2007 Crater Lake temperature has exceeded 40 °C a number of times, without leading to an eruption.
... [read more]

Kilauea (Hawai'i): The new eruption continues at steady pace: during the first day of activity, lava effusion focused on only one of the initially 3 fissure vents in the lower crater walls, something that is often the case as the rising magma tends to exploit the best-available path, now clear of obstacles.
The lava effuses from the active fissure with little explosive interaction into a flow that continues to fill the growing lava pond at the bottom of the crater. Once the vent is submerged, we might be able to adore another true lava lake in Halema'uma'u!

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: NEW VA EM to 19000 ft (5800 m)

Sangay (Ecuador): 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: NEW VA EM to 19000 ft (5800 m)

Reventador (Ecuador): (22 Dec) 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 15 kts in NW direction.
The full report is as follows: NEW VA EMS OBS to 15000 ft (4600 m)

Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: continuous ash emissions
Previous news
Mon, 21 Dec 2020, 21:00
Map of today's active volcanoes
Etna (Sicily, Italy): Another lava-fountaining episode (paroxysm) occurred this morning at the volcano. ... read all
Sun, 20 Dec 2020, 21:00
Map of today's active volcanoes
Klyuchevskoy (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 and is moving at 15 kts in W direction. ... read all
Sat, 19 Dec 2020, 21:00
Map of today's active volcanoes
Klyuchevskoy (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 . ... read all
Fri, 18 Dec 2020, 21:00
Map of today's active volcanoes
Karymsky (Kamchatka): (18 Dec) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 9000 ft (2700 m) altitude or flight level 090 and is moving at 15 kts in SW direction. ... read all

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