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Volcanic activity worldwide 25 Nov 2021: Stromboli volcano, Fuego, Karymsky, Semeru, Grímsvötn, Re...

Do, 25. Nov 2021, 21:00
21:00 PM | VON: SEVERAL CONTRIBUTORS
Map of today's active volcanoes
Map of today's active volcanoes
The lava flow on Stromboli volcano this evening (image: INGV Catania webcam)
The lava flow on Stromboli volcano this evening (image: INGV Catania webcam)
Grimsvötn volcano in August 2021 (image: IMO)
Grimsvötn volcano in August 2021 (image: IMO)
The new lava flow at Las Manchas in the afternoon (image: INVOLCAN / twitter)
The new lava flow at Las Manchas in the afternoon (image: INVOLCAN / twitter)
New lava flow on La Palma today (image: Gobierno de Canarias)
New lava flow on La Palma today (image: Gobierno de Canarias)
Satellite image of Karymsky volcano on 25 Nov 2021
Satellite image of Karymsky volcano on 25 Nov 2021
Pumice raft in a Japanese port in late Oct 2021 (image: @yasukonotes / twitter)
Pumice raft in a Japanese port in late Oct 2021 (image: @yasukonotes / twitter)
Satellite image of Sakurajima volcano on 25 Nov 2021
Satellite image of Sakurajima volcano on 25 Nov 2021
Satellite image of Semeru volcano on 24 Nov 2021
Satellite image of Semeru volcano on 24 Nov 2021
Night-time glow at Nevados de Chillán volcano (image: @lvaleverdejo/twitter)
Night-time glow at Nevados de Chillán volcano (image: @lvaleverdejo/twitter)
Stromboli (Eolian Islands, Italy): After a few weeks of relatively low activity, the volcano has been more active recently. Since this morning, a small lava flow is active on the upper Sciara del Fuoco.
Similar as many other such flows in the past years, it originates from the northeastern-most vent (towards the side of Stromboli village) and could herald a phase of increased activity in the coming days or weeks. In the last few days, carbon dioxide emissions have increased, which is an indication of new magma arriving at depth. The activity index level of the volcano had risen from "Low" to "Medium" at the beginning of November already.

Grímsvötn (Iceland): The icescheet above the volcano has been subsiding in the past days, likely because a pool of glacial melt water has moved away and might soon break out as a glacial flood.

According to information from Iceland's Met Office (IMO), the subsidence in total is more than 85 cm, with its speed accelerating. So far, however, there are no signs of increased water level, electrical conductivity or gas in the Gígjukvísl outlet river at this time.
... [read more]

La Palma (Canary Islands (Spain)): According to INVOLCAN, a new fissure (?) vent has actually opened south of the main cone, which has been feeding today's new and very well alimented lava flow that quickly reached Las Manchas to the southwest.
INVOLCAN mentioned that its velocity (presumably near the vent) was 600 m per hour at 5.15 p.m.:
...25 Nov:
Activity had been weaker throughout the night and less lava was visible at night compared to previous days, but this changed dramatically in the morning: at around 9 a.m. local time, an episode of sudden increase in the emission of lava occurred at the main effusive vent, and around 11 o'clock, from some of the most eastern emission points, a new voluminous and very liquid lava flow began to pour out towards the southwest, traveling parallel to the previous flow labeled #10.
The new lava flow quickly reached the southernmost end of the existing flow field and invaded new land, destroying a photovoltaic station and the Las Manchas cemetery. Although its advance has slowed down to about 25 m per hour later in the day, it is still threatening other urbanized areas, all of which have already been evacuated.
... [read more]

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

Fukutoku-Okanoba (Volcano Islands): The mixed submarine-subaerial eruption of the volcano in last August, when a new island formed, still shows effects today: large amounts of floating pumice stones washed up on the shores of Greater Tokyo recently.
On other coasts in southwest Japan, pumice rafts from the volcano have been a burden for a month and often impaired fishing and seafaring.
... [read more]

Sakurajima (Kyushu, Japan): (25 Nov) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20211125/0609Z FL070 EXTD E OBS VA DTG:25/0600Z

Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20211125/1909Z FL070 EXTD SE OBS VA DTG:25/1900Z

Semeru (East Java, Indonesia): (24 Nov) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 .
The full report is as follows: DISCRETE VA EMISSION TO FL140 MOV NW AT 24/2220Z to 14000 ft (4300 m)

Fuego (Guatemala): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA NOT OBSD

Nevado del Ruiz (Colombia): (25 Nov) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows: NEW VA EMS to 20000 ft (6100 m)

Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows: ONGOING VA EMS LKLY to 20000 ft (6100 m)

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 .
The full report is as follows: LGT VA EMS PSBL to 15000 ft (4600 m)

Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: UNABLE TO DETECT

Nevados de Chillán (Central Chile): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 30 kts in E direction.
The full report is as follows: continuous ash emissions to 14000 ft (4300 m)
...25 Nov:
The effusive-explosive eruption of the volcano continues without significant changes in the activity.
A night-time glow is being observed at the summit crater which suggests rise of magma accumulating into both growing lava domes.
... [read more]

Vorherige Nachrichten

Mi, 24. Nov 2021, 21:00

Volcanic activity worldwide 24 Nov 2021: Vulcano volcano, Santiaguito, Fuego, Reventador, Sangay, La...

Map of today's active volcanoes
Vulcano (Eolian Islands, Italy): Unrest continues at the volcano with little changes, according to the latest surveillance data published by the National Institute of Volcanology (INGV) in Catania, responsible for the monitoring of Etna and the Eolian Islands. ... Read all
Di, 23. Nov 2021, 21:00

Volcanic activity worldwide 23 Nov 2021: Fuego volcano, Semeru, Reventador, Sangay, White Island, La...

Map of today's active volcanoes
La Palma (Canary Islands (Spain)): Volcanic tremor remains at low values, with some short pulses of intensification, similar as yesterday. No significant change in ground deformation was detected and earthquakes have also been similar as yesterday. ... Read all
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