Map of today's active volcanoesSakurajima (Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20251006/1020Z FL080 EXTD S OBS VA DTG:06/1030ZIbu (Halmahera, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA ERUPTION LAST REPORTED AT 05/2345Z EST VA DTG:06/0940ZLewotobi (Flores): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA OBS ON SAT IMG AT 06/0640Z MOV NW EST VA DTG:06/1240ZLewotolo (Lesser Sunda Islands): (5 Oct) 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 20 kts in NW direction.The full report is as follows: CONTINUOUS VA TO FL070 OBS AT 05/2110Z EXTENDING NW to 7000 ft (2100 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 14000 ft (4300 m) altitude or flight level 140 .The full report is as follows: VA TO FL140 OBS MOV SW AT 06/1650Z OBS VA DTG:06/1650Z to 14000 ft (4300 m)Santiaguito (Guatemala): (5 Oct) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA CLD HAS DSIPTD.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: VA EMS LKLY CONTG. 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 20000 ft (6100 m) altitude or flight level 200 .The full report is as follows: VA EM RPRTD. to 20000 ft (6100 m)Sangay (Ecuador): (6 Oct) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: PSBL LGT VA EMReventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: LKLY VA EMSVolcano Activity Summary for 6 Oct 2025: