Map of today's active volcanoesKirishima (Kyushu): (27 Jul) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: POSS ERUPTION AT 20250727/0210Z VA CLD UNKNOWN OBS VA DTG:27/0300ZSakurajima (Kyushu, Japan): (27 Jul) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20250727/0343Z OVER FL060 EXTD NW OBS VA DTG:27/0330ZIbu (Halmahera, Indonesia): 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 and is moving at 05 kts in N direction.The full report is as follows: VA TO FL070 LAST REPORTED AT 27/1001Z MOV NW to 7000 ft (2100 m)Lewotolo (Lesser Sunda Islands): 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 26/1025Z EST VA DTG:27/1630Z to 6000 ft (1800 m)Semeru (East Java, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 05 kts in SE direction.The full report is as follows: VA TO FL150 LAST REP AT 27/1620Z EST VA DTG:27/1850Z to 15000 ft (4600 m)Dukono (Halmahera): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 10 kts in N direction.The full report is as follows: VA TO FL150 REPORTED AT 27/1234Z EST VA DTG:27/1420Z to 15000 ft (4600 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: VA EMS OBS to 14000 ft (4300 m)Nevado del Ruiz (Colombia): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS RPRTDSangay (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS PSBLReventador (Ecuador): Mild explosive activity continues from the volcano. The Volcanic Ash Advisory Center (VAAC) Washington reported intermittent emissions of volcanic ash plumes.The full report is as follows: sporadic emissions of volcanic ashVolcano Activity Summary for 27 Jul 2025: