Suwanose-jima (Ryukyu Islands): (23 Sep) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20230923/0504Z FL060 EXTD E OBS VA DTG:23/0500Z
Mayon (Luzon Island, Philippines): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20230923/1753Z VA CLD UNKNOWN REPORTED OBS VA DTG:23/1800Z
Ibu (Halmahera, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA REPORTED TO FL070 MOV N AT 23/1436Z OBS VA DTG:23/1436Z
Merapi (Central Java, Indonesia): The extrusive eruption of the volcano persists and remains at elevated levels in general.
The active southwestern and southeastern lava domes continue to grow as viscous magma rises into and pilling up there. Unstable, loose lava material makes both lava domes prone to partially collapse. Therefore, accumulated and large dome blocks tend to undergo gravity and turn into tumbling hot glowing rock falls, racing over steep slopes down the edifice. Moreover, incandescent lava blocks detach from lava flow fronts and roll down to the base. Ash plumes and dust separating from block-and-ash flows, so-called phoenix clouds, accompany pyroclastic flows.
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Semeru (East Java, Indonesia): (23 Sep) 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 OBS TO FL140 MOV SW 23/0040Z OBS VA DTG:23/0710Z to 14000 ft (4300 m)
Dukono (Halmahera): (22 Sep) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .
The full report is as follows: CONTINUOUS VA OBS TO FL070 MOV N AT 22/2250Z to 7000 ft (2100 m)
Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 .
The full report is as follows: FRQT VA EMS to 22000 ft (6700 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: VA EM CONT to 16000 ft (4900 m)
Nevado del Ruiz (Colombia): (23 Sep) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: OCNL EM
Sangay (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NO VA OBS
Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NO VA OBS
Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 26000 ft (7900 m) altitude or flight level 260 and is moving at 20 kts in SW direction.
The full report is as follows: INTERMITTENT PUFF EMS to 26000 ft (7900 m)
Villarrica (Central Chile): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: WEAK VA EMS
