Map of today's active volcanoesIbu (Halmahera, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 6000 ft (1800 m) altitude or flight level 060 .The full report is as follows: VA TO FL060 LAST REP AT 15/0954Z EST VA DTG:15/1040Z to 6000 ft (1800 m)Semeru (East Java, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ERUPTION LAST REPORTED AT 15/1633Z EST VA DTG:15/1840ZDukono (Halmahera): (15 Dec) 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: VA TO FL070 OBS AT 14/2340Z MOV WNW OBS VA DTG:14/2340Z to 7000 ft (2100 m)Shishaldin (Aleutian Islands, Alaska): (15 Dec) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NOT PROVIDEDWestdahl (United States, Aleutian Islands): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NOT PROVIDEDPopocatépetl (Central Mexico): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NO FURTHER VA EMISSIONSSantiaguito (Guatemala): (15 Dec) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NO VA EMSFuego (Guatemala): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: FQNT VA EMS ONGOINGNevado del Ruiz (Colombia): (15 Dec) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NO VA EMSPuracé (Colombia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 18000 ft (5500 m) altitude or flight level 180 .The full report is as follows: ONGOING VA EM to 18000 ft (5500 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 and is moving at 15 kts in W direction.The full report is as follows: VA EMS OBS to 15000 ft (4600 m)Volcano Activity Summary for 15 Dec 2025: