Marapi Volcano Volcanic Ash Advisory: VA TO FL120 OBS AT 12/0130Z MOV SE OBS VA DTG: 12/0130Z to 12000 ft (3700 m)

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 .
The full report is as follows:

FVAU04 at 01:43 UTC, 12/04/26 from ADRM
VA ADVISORY
DTG: 20260412/0143Z
VAAC: DARWIN
VOLCANO: MARAPI 261140
PSN: S0023 E10028
AREA: INDONESIA
SOURCE ELEV: 2885M AMSL
ADVISORY NR: 2026/56
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL120 OBS AT 12/0130Z MOV SE
OBS VA DTG: 12/0130Z
OBS VA CLD: SFC/FL120 S0025 E10020 – S0013 E10027 – S0023
E10105 – S0043 E10108 – S0056 E10050 MOV SE 10KT
FCST VA CLD +6 HR: 12/0730Z SFC/FL120 S0026 E10020 – S0013
E10026 – S0022 E10105 – S0044 E10109 – S0057 E10051
FCST VA CLD +12 HR: 12/1330Z NO VA EXP
FCST VA CLD +18 HR: 12/1930Z NO VA EXP
RMK: DISCRETE INTERMITTENT VA EMISSIONS OBSERVED ON
SATELLITE IMAGERY. GROUND REPORTS INDICATE VA TO 500M ABOVE
SUMMIT. VA EXPECTED TO DISSIPATE WITHIN 6-12 HOURS. VA
HEIGHT BASED ON GROUND REPORT, MOVEMENT BASED ON SATELLITE
IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260412/0743Z=

Semeru Volcano Volcanic Ash Advisory: VA TO FL150 OBS AT 12/0000Z MOV NW OBS VA DTG: 12/0000Z to 15000 ft (4600 m)

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 00:17 UTC, 12/04/26 from ADRM
VA ADVISORY
DTG: 20260412/0020Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/416
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS AT 12/0000Z MOV NW
OBS VA DTG: 12/0000Z
OBS VA CLD: SFC/FL150 S0811 E11256 – S0800 E11229 – S0746
E11232 – S0743 E11247 – S0806 E11301 MOV NW 10KT
FCST VA CLD +6 HR: 12/0600Z SFC/FL150 S0810 E11254 – S0758
E11233 – S0744 E11242 – S0746 E11259 – S0807 E11300
FCST VA CLD +12 HR: 12/1200Z SFC/FL150 S0806 E11259 – S0811
E11255 – S0801 E11231 – S0748 E11235 – S0744 E11250
FCST VA CLD +18 HR: 12/1800Z SFC/FL150 S0806 E11300 – S0812
E11255 – S0800 E11231 – S0744 E11238 – S0742 E11255
RMK: DISCRETE, INTERMITTENT VA EMISSIONS IDENTIFIABLE ON
RECENT SATELLITE IMAGERY. GROUND REPORTS CONFIRM CONTINUING
ERUPTIONS. VA HEIGHT BASED ON GROUND REPORTS AND RECENT
ERUPTIVE BEHAVIOUR, MOVEMENT BASED ON SATELLITE IMAGERY AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260412/0620Z=

Dukono Volcano Volcanic Ash Advisory: VA FL090 REP FM GND AT 11/0853Z, MOV SE EST VA DTG: 11/2210Z

Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:

FVAU03 at 22:26 UTC, 11/04/26 from ADRM
VA ADVISORY
DTG: 20260411/2230Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/105
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA FL090 REP FM GND AT 11/0853Z, MOV SE
EST VA DTG: 11/2210Z
EST VA CLD: SFC/FL090 N0139 E12747 – N0152 E12751 – N0137
E12936 – N0046 E12920 MOV SE 20KT
FCST VA CLD +6 HR: 12/0410Z SFC/FL090 N0141 E12748 – N0149
E12751 – N0142 E12939 – N0047 E12920
FCST VA CLD +12 HR: 12/1010Z SFC/FL090 N0140 E12748 – N0151
E12751 – N0140 E12939 – N0045 E12919
FCST VA CLD +18 HR: 12/1610Z SFC/FL090 N0141 E12746 – N0154
E12751 – N0140 E12937 – N0047 E12921
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD OBSCURATION. ONGOING VA EMISSIONS REPORTED FROM
GROUND. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY,
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260412/0430Z=

Canlaon Volcano Volcanic Ash Advisory: ERUPTION AT 20260411/1559Z FL090 EXTD SW REPORTED OBS VA DTG: 11/1600Z

Satellite image of Canlaon volcano on 11 Apr 2026

Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:

FVFE01 at 16:21 UTC, 11/04/26 from RJTD
VA ADVISORY
DTG: 20260411/1621Z
VAAC: TOKYO
VOLCANO: KANLAON 272020
PSN: N1025 E12308
AREA: PHILIPPINES
SOURCE ELEV: 2435M AMSL
ADVISORY NR: 2026/73
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260411/1559Z FL090 EXTD SW REPORTED
OBS VA DTG: 11/1600Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 360/5KT
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=

Mayon Volcano Volcanic Ash Advisory: ERUPTION AT 20260411/1331Z FL100 EXTD NW REPORTED OBS VA DTG: 11/1340Z

Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:

FVFE01 at 13:57 UTC, 11/04/26 from RJTD
VA ADVISORY
DTG: 20260411/1357Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/470
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260411/1331Z FL100 EXTD NW REPORTED
OBS VA DTG: 11/1340Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL100 050/5KT
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=