Fagradalsfjall (Reykjanes Peninsula, Iceland): (24 Dec) The elevated seismic activity continues.
2000 earthquakes have been detected in total over the last 17 hours at 5-8 km depth suggesting that the flux of magma rising within the volcano is significant and the most likely scenario of an imminent eruption is considered to occur in Geldingadalir eruption site.
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Shiveluch (Kamchatka): The effusive-explosive eruption of the volcano continues characterized by sporadic ash explosions and the actively growing lava dome.
An ash eruption at the volcano generated a dense grey column yesterday as informed Alexey Demyanchuk from the local observatory.
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Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20211224/1610Z FL060 EXTD SE OBS VA DTG:24/1600Z
Semeru (East Java, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 13000 ft (4000 m) altitude or flight level 130 .
The full report is as follows: VA REPORTED TO FL130 AT 24/1621Z MOV SW OBS VA DTG:24/1640Z to 13000 ft (4000 m)
Kilauea (Hawai’i): (23 Dec) After 2 days since the lava lake stopped to be active again, a strongly rising signal of volcanic tremor at 19:30 local time yesterday has been detected, followed by lava returning to the Halema’ma’u crater at about 20:00 local time.
Emitting lava continues to keep the flow active from the vent at the western rim.
The lava is coming back into Halemaʻumaʻu crater as seen in the timelapse video updated on Hawaii Tracker website.
Hunga Tonga-Hunga Ha’apai (Tonga, Tonga Islands): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Wellington warned about a volcanic ash plume that rose up to estimated 35000 ft (10700 m) altitude or flight level 350 and is moving at 10 kts in NE direction.
The full report is as follows: ERUPTION AT 20211224/1820Z ONGOING, CYCLIC ERUPTION WITH PLUME EXTENDING TO FL400 AT TIMES. to 35000 ft (10700 m)
Semisopochnoi (United States, Aleutian Islands): (23 Dec) Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: OCNL ERUPTIONS.
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: LGT VA EM to 15000 ft (4600 m)
Nevado del Ruiz (Colombia): 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: VA EMS OBSD to 19000 ft (5800 m)
…23 Dec:
The Servicio Geológico Colombiano observatory (SGC) informed that seismic instruments recorded continuous internal tremor associated with constant degassing this morning.
Gas and water vapor column with small amount of ash continues at the summit vent reaching an altitude of approx. 19,000 ft (5,800 m). Plumes were dispersed towards the east-southeast direction.
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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: CONS VA CLDS OBSD to 20000 ft (6100 m)
Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NO RCNT VA SEEN
Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: SPORADIC PUFF EMS
Nevados de Chillán (Central Chile): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: SPORADIC PUFF EMS
Piton de la Fournaise (La Réunion): The activity of lava fountains decreased to lower levels including periods of medium-to-low amplitude tremor.
The lava spattering is seen only from the one fissure vent that continues to form the spatter cone above it.
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…23 Dec:
Lava fountains continue at only one fissure vent, located at altitude 2030 meters, where have been already building a spatter cone above the eruptive fissure.
Small lava fountains, about 10 meters tall, continue to feed the lava flows that have increased in length, currently about 2,200 m long.
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Volcano Activity Summary for 24 Dec 2021:
