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Volcanic activity worldwide 22 Nov 2021: Santiaguito volcano, Fuego, Semeru, Reventador, Sangay, La ...

Mon, 22 Nov 2021, 21:00
21:00 PM | BY: SEVERAL CONTRIBUTORS
Map of today's active volcanoes
Map of today's active volcanoes
Lava flows in large channels near La Laguna today (image: INVOLCAN /twitter)
Lava flows in large channels near La Laguna today (image: INVOLCAN /twitter)
Steaming lava fronts as they enter the Atlantic Ocean today at La Palma's newest active lava delta (image: RTVE)
Steaming lava fronts as they enter the Atlantic Ocean today at La Palma's newest active lava delta (image: RTVE)
Glow at the summit crater of Santiaguito volcano from satellite image on 13 November (image: Sentinel 2)
Glow at the summit crater of Santiaguito volcano from satellite image on 13 November (image: Sentinel 2)
Satellite image of Fuego volcano on 22 Nov 2021
Satellite image of Fuego volcano on 22 Nov 2021
La Palma (Canary Islands (Spain)): Despite the spectacular display of lava flows traveling and reaching the sea again today, the overall tendency of the eruption remains on a very slow, gradual decreasing trajectory.
At the vents, the activity had been relatively calm last evening and during the night, as observers reported not hearing much and not seeing much lava being ejected. However, it likely increased again in the morning, as explosive activity remains significant during phases, when it creates ash plumes that rise up to 10,000 ft (3,000 m) altitude and drift towards the east (where the airport is located, forced to stop its operations).
... [read more]
...22 Nov:
Due to the generation of the acid steam at the sea entry of the lava and the hazards these pose to people (as well as animals and plants), the government imposed a curfew neighboring coastal regions.
The reaction of the salt water with the magma produces poisonous gases mixed into the steam, in particular hydrochloric acid (HCl).
... [read more]
...22 Nov:
The lava flow that had been advancing in the past days south of La Laguna has reached the ocean today at around noon local time, creating the third time, lava flows enter the sea and create a new delta.
It is said that the first lava block tumbled over the sea cliff at exactly 12 o'clock noon sharp... RTVE has a live stream of the active ocean entry:


Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20211122/1422Z FL050 EXTD SE OBS VA DTG:22/1420Z

Semeru (East Java, Indonesia): (21 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: VA TO FL140 OBS FM GND AT 21/2207Z MOV SW OBS VA DTG:21/2222Z to 14000 ft (4300 m)

Santiaguito (Guatemala): (22 Nov) A visible glow and near-constant emissions of gas (so-called degassing) suggest continuing rise of fresh viscous magma into the active Caliente lava dome.
Collapsing parts of lava flows and unstable hot lava dome material are prone to generate moderate hot rock avalanches on the W and E flanks, which may turn often develop into very dangerous pyroclastic flows.
... [read more]

Fuego (Guatemala): 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: ONGOING VA EMS to 15000 ft (4600 m)

Nevado del Ruiz (Colombia): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NO VA CURRENTLY OBS

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: VA LIKELY MOVG WNW 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: VA CLDS OBS IN WEBCAM AND STLT 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 and is moving at 10 kts in SW direction.
The full report is as follows: continuous ash emissions to 25000 ft (7600 m)

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 .
The full report is as follows: continuous ash emissions to 14000 ft (4300 m)

Volcano Activity Summary for 22 Nov 2021:

Currently erupting:

Dukono (Halmahera): Volcanic Ash Advisory (updated 22 Apr 2021)
Ebeko (Paramushir Island): Volcanic Ash Advisory (updated 26 Aug 2021)
Erebus (Antarctica): active lava lake in summit crater (updated 8 Dec 2014)
Erta Ale (Danakil depression, Ethiopia): active lava lake in the summit crater (updated 19 Jun 2020)
Etna (Sicily, Italy): Volcanic Ash Advisory (updated 23 Oct 2021)
Fuego (Guatemala): Volcanic Ash Advisory (updated 2 Nov 2021)
Ibu (Halmahera, Indonesia): Volcanic Ash Advisory (updated 24 Aug 2021)
Karymsky (Kamchatka): Volcanic Ash Advisory (updated 4 Nov 2021)
Kilauea (Hawai'i): full moon over erupting Halema'uma'u crater (updated 22 Oct 2021)
La Palma (Canary Islands (Spain)): Volcanic Ash Advisory (updated 21 Nov 2021)
Lewotolo (Lesser Sunda Islands): Volcanic Ash Advisory (updated 2 Oct 2021)
Masaya (Nicaragua): minor ashfall (updated 24 Oct 2019)
Merapi (Central Java, Indonesia): viscous lava continues to accumulate into growing lava dome, hot pyroclastic flow reported (updated 10 Nov 2021)
Nevado del Ruiz (Colombia): Volcanic Ash Advisory (updated 18 Nov 2021)
Nevados de Chillán (Central Chile): Volcanic Ash Advisory (updated 29 Sep 2021)
Nyiragongo (DRCongo): actively growing lava lake at high levels (updated 10 Oct 2021)
Popocatépetl (Central Mexico): Volcanic Ash Advisory (updated 21 Nov 2021)
Reventador (Ecuador): Volcanic Ash Advisory (updated 17 Nov 2021)
Sabancaya (Peru): Volcanic Ash Advisory (updated 10 Oct 2021)
Sangay (Ecuador): Volcanic Ash Advisory (updated 8 Nov 2021)
Santiaguito (Guatemala): actively growing lava dome (updated 22 Nov 2021)
Semeru (East Java, Indonesia): Volcanic Ash Advisory (updated 14 Nov 2021)
Semisopochnoi (United States, Aleutian Islands): Volcanic Ash Advisory (updated 21 Sep 2021)
Shiveluch (Kamchatka): Volcanic Ash Advisory (updated 7 Sep 2021)
Stromboli (Eolian Islands, Italy): pyroclastic flow followed major explosion (updated 7 Oct 2021)
Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory (updated 2 Nov 2021)
Yasur (Tanna Island, Vanuatu): Volcanic Ash Advisory (updated 23 Oct 2021)

Eruption warning / minor activity:

Aso (central Kyushu, Japan): Volcanic Ash Advisory (updated 20 Oct 2021)
Bagana (Bougainville Island, Papua New Guinea): Volcanic Ash Advisory (updated 23 Jul 2021)
Great Sitkin (United States, Aleutian Islands): eruption continues with new lava flow (updated 20 Nov 2021)
Kadovar (Northeast of New Guinea): Volcanic Ash Advisory (updated 25 Sep 2021)
Karangetang (Siau Island, Sangihe Islands, Indonesia): Volcanic Ash Advisory (updated 13 Oct 2021)
Kerinci (Sumatra): Volcanic Ash Advisory (updated 23 Jul 2021)
Krakatau (Sunda Strait, Indonesia): Volcanic Ash Advisory (updated 27 Oct 2021)
Langila (New Britain, Papua New Guinea): Volcanic Ash Advisory (updated 10 Sep 2021)
Manam (Papua New Guinea): Volcanic Ash Advisory (updated 15 Nov 2021)
Nishino-shima (Volcano Islands, Japan): degassing from crater + new aerial images (updated 14 Oct 2021)
Nyamuragira (DRCongo): new lava lake (updated 14 Jun 2021)
Ol Doinyo Lengai (Tanzania): effusion of natrocarbonatite lava inside the pit crater in the northern main crater (updated 27 Aug 2021)
Pavlof (Alaska Peninsula, USA): Volcanic Ash Advisory (updated 7 Aug 2021)
Sakurajima (Kyushu, Japan): Volcanic Ash Advisory (updated 17 Nov 2021)
Taal (Luzon, Philippines): highest SO2 emissions level ever recorded yesterday, vog detected (updated 17 Nov 2021)
Telica (Nicaragua): Volcanic Ash Advisory (updated 25 Sep 2021)
Villarrica (Central Chile): Volcanic Ash Advisory (updated 8 Aug 2021)
Vulcano (Eolian Islands, Italy): dead animals were found, evacuations ordered (updated 20 Nov 2021)

Previous news

Sun, 21 Nov 2021, 21:00

Volcanic activity worldwide 21 Nov 2021: Santiaguito volcano, Fuego, Popocatépetl, Semeru, Reventad...

Map of today's active volcanoes
La Palma (Canary Islands (Spain)): Lava flow activity has decreased a bit compared to yesterday and especially the day before yesterday. Observers reported seeing less lava on the upper and central part of the flow field. At the vents, a series of loud explosions occurred early in the morning, at around 4 a.m. local time. ... Read all
Sat, 20 Nov 2021, 21:00

Volcanic activity worldwide 20 Nov 2021: Etna volcano, Vulcano, Fuego, Karymsky, Popocatépetl, Ibu,...

Map of today's active volcanoes
Etna (Sicily, Italy): In the past weeks, Etna has been more or less calm. Today, small intermittent explosions resumed at the North-East crater, the volcano observatory in Catania (INGV) reported. ... Read all
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