Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:
FVFE01 at 07:22 UTC, 25/04/26 from RJTD VA ADVISORY DTG: 20260425/0722Z VAAC: TOKYO VOLCANO: KANLAON 272020 PSN: N1025 E12308 AREA: PHILIPPINES SOURCE ELEV: 2435M AMSL ADVISORY NR: 2026/109 INFO SOURCE: HIMAWARI-9 PHIVOLCS ERUPTION DETAILS: ERUPTION AT 20260425/0702Z FL120 EXTD SW REPORTED OBS VA DTG: 25/0700Z OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL120 080/10KT
FCST VA CLD +6 HR: NOT AVBL FCST VA CLD +12 HR: NOT AVBL FCST VA CLD +18 HR: NOT AVBL RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY. NXT ADVISORY: NO FURTHER ADVISORIES=
Satellite image of Lewotobi volcano on 25 Apr 2026
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 11000 ft (3400 m) altitude or flight level 110 and is moving at 05 kts in NW direction. The full report is as follows:
FVAU04 at 05:11 UTC, 25/04/26 from ADRM VA ADVISORY DTG: 20260425/0510Z VAAC: DARWIN VOLCANO: LEWOTOBI 264180 PSN: S0833 E12246 AREA: INDONESIA SOURCE ELEV: 1703M AMSL ADVISORY NR: 2026/67 INFO SOURCE: CVGHM, HIMAWARI-9 ERUPTION DETAILS: VA TO FL110 REP AT 24/2246Z EST VA DTG: 25/0450Z EST VA CLD: SFC/FL110 S0834 E12247 – S0832 E12223 – S0818 E12226 – S0814 E12238 – S0833 E12248 MOV NW 05KT FCST VA CLD +6 HR: 25/1050Z NO VA EXP FCST VA CLD +12 HR: 25/1650Z NO VA EXP FCST VA CLD +18 HR: 25/2250Z NO VA EXP RMK: VA NOT IDENTIFIABLE ON CURRENT SAT IMG DUE TO MET CLOUD. NO REPORTS OF NEW OR ONGOING ERUPTION. VA EXPECTED TO DISSIPATE WITHIN THE NEXT 6HRS. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORT, MODEL GUIDANCE AND SAT IMG. NXT ADVISORY: NO LATER THAN 20260425/1110Z=
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:
FVFE01 at 00:47 UTC, 25/04/26 from RJTD VA ADVISORY DTG: 20260425/0047Z VAAC: TOKYO VOLCANO: KANLAON 272020 PSN: N1025 E12308 AREA: PHILIPPINES SOURCE ELEV: 2435M AMSL ADVISORY NR: 2026/108 INFO SOURCE: HIMAWARI-9 PHIVOLCS ERUPTION DETAILS: ERUPTION AT 20260425/0032Z FL090 EXTD W REPORTED OBS VA DTG: 25/0030Z OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 080/13KT
FCST VA CLD +6 HR: NOT AVBL FCST VA CLD +12 HR: NOT AVBL FCST VA CLD +18 HR: NOT AVBL RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY. NXT ADVISORY: NO FURTHER ADVISORIES=
Ibu (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 10 kts in SW direction. The full report is as follows: VA TO FL070 OBS AT 24/1620Z EST VA DTG:24/1740Z to 7000 ft (2100 m)
Lewotobi (Flores): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 9000 ft (2700 m) altitude or flight level 090 and is moving at 10 kts in W direction. The full report is as follows: VA TO FL090 LAST REP AT 24/1522Z EST VA DTG:24/1940Z to 9000 ft (2700 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 . The full report is as follows: VA TO FL150 OBS AT 24/1620Z MOV WSW OBS VA DTG:24/1640Z 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 8000 ft (2400 m) altitude or flight level 080 . The full report is as follows: VA TO FL080 OBS AT 24/1240Z OBS VA DTG:24/1240Z to 8000 ft (2400 m) …24 Apr: The eruptive activity of the volcano resumes. At about 08:54 local time yesterday, a vigorous explosion took place from the crater vent. A grey ash column released tephra material to an altitude of 900 meters above the crater towards the northwest. … [read more] … [show less] The PVMBG volcano observatory reported a seismic signal with a maximum amplitude of 22 mm and a duration of 52.13 seconds. In order to mitigate risk, people are advised to avoid the area within a radius of 2 km from the crater.
Kilauea (Hawai’i): (24 Apr) 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 S direction. The full report is as follows: PSBL VA EMS to 15000 ft (4600 m)
Fuego (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: ONGOING VA EM to 14000 ft (4300 m)
Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 . The full report is as follows: OCNL VA EM to 21000 ft (6400 m)
Reventador (Ecuador): 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 DETECTED to 16000 ft (4900 m)
Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: UNABLE TO DETECT
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 . The full report is as follows:
FVAU02 at 16:59 UTC, 24/04/26 from ADRM VA ADVISORY DTG: 20260424/1700Z VAAC: DARWIN VOLCANO: SEMERU 263300 PSN: S0806 E11255 AREA: INDONESIA SOURCE ELEV: 3657M AMSL ADVISORY NR: 2026/468 INFO SOURCE: CVGHM, HIMAWARI-9 ERUPTION DETAILS: VA TO FL150 OBS AT 24/1620Z MOV WSW OBS VA DTG: 24/1640Z OBS VA CLD: SFC/FL150 S0802 E11258 – S0808 E11300 – S0830 E11231 – S0816 E11222 – S0801 E11223 MOV W 05KT FCST VA CLD +6 HR: 24/2240Z SFC/FL150 S0803 E11258 – S0810 E11259 – S0826 E11226 – S0812 E11220 – S0758 E11223 FCST VA CLD +12 HR: 25/0440Z SFC/FL150 S0804 E11259 – S0810 E11259 – S0822 E11224 – S0808 E11220 – S0756 E11223 FCST VA CLD +18 HR: 25/1040Z SFC/FL150 S0804 E11259 – S0810 E11259 – S0817 E11222 – S0803 E11221 – S0751 E11225 RMK: REGULAR DISCRETE VA EMISSIONS CONTINUE, MINOR VA LAST PARTIALLY OBS ON RGB SAT IMG AT 24/1620Z BETWEEN MET CLOUD. VA HEIGHT AND MOVEMENT BASED ON SAT IMG, GND REPS AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260424/2300Z=
