Reykjanes (Reykjanes peninsula (SW Iceland)): (3 Jan) The latest GPS measurements indicate that the level of the ground uplift in the Svartsengi region started to decrease. The information was published by experts from the Icelandic Met Office yesterday morning.
The decline of the inflation might be a tell-tale sign of an impending eruption hinting the accumulation of magma or the exsolution of gas inside the dike. An identical situation appeared late evening on 15 December, considered a precursor to the recent eruption on 18 December.
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Klyuchevskoy (Kamchatka): (3 Jan) The explosive eruption of the volcano ended, the KVERT reported.
Thus, the eruptive period lasted only from 27 December to 1 January. The volcano is characterized by sustained fumarolic activity, i.e. steam-laden plumes continue to emit from the summit vent.
Source: Kamchatka Volcanic Eruption Response Team volcano activity update 3 January 2024
Ibu (Halmahera, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA REPORTED TO FL070 AT 03/0850Z OBS VA DTG:03/0850Z
Semeru (East Java, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA REPORTED TO FL150 AT 03/1139Z OBS VA DTG:03/1139Z
Marapi (Western Sumatra, Indonesia): 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: VA TO FL120 REPORTED AT 03/0414Z EST VA DTG:03/1310Z to 12000 ft (3700 m)
Dukono (Halmahera): (2 Jan) 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: VA TO FL120 OBS AT 02/2240Z MOV WSW OBS VA DTG:02/2240Z to 12000 ft (3700 m)
Shishaldin (Aleutian Islands, Alaska): (3 Jan) The Alaska Volcano Observatory (AVO) reported that the activity of the volcano has gradually waned over the past two months.
Since the last significant event occurred from the volcano on 3 November, only small explosions continue to be monitored in infrasound data during periods of quiet conditions.
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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: CONS EM to 19000 ft (5800 m)
Santiaguito (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington 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: POSS VA EMS to 14000 ft (4300 m)
Fuego (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 .
The full report is as follows: FREQUENT VA EMS to 16000 ft (4900 m)
Nevado del Ruiz (Colombia): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA NOT DETECTED
Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: OCNL EM
Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: SPORADIC EMISSIONS
Volcano Activity Summary for 3 Jan 2024:
