Dukono Volcano Volcanic Ash Advisory: VA TO FL080 OBS AT 31/0640Z MOV NE EST VA DTG: 31/1230Z to 8000 ft (2400 m)

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:

FVAU03 at 12:50 UTC, 31/05/26 from ADRM
VA ADVISORY
DTG: 20260531/1250Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/314
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL080 OBS AT 31/0640Z MOV NE
EST VA DTG: 31/1230Z
EST VA CLD: SFC/FL080 N0138 E12751 – N0147 E12749 – N0211
E12806 – N0205 E12828 – N0129 E12822 MOV NE 05KT
FCST VA CLD +6 HR: 31/1830Z SFC/FL080 N0147 E12749 – N0212
E12806 – N0152 E12831 – N0122 E12817 – N0137 E12750
FCST VA CLD +12 HR: 01/0030Z SFC/FL080 N0136 E12753 – N0143
E12747 – N0214 E12753 – N0205 E12821 – N0136 E12822
FCST VA CLD +18 HR: 01/0630Z SFC/FL080 N0135 E12741 – N0153
E12743 – N0158 E12821 – N0125 E12820
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. VA EMISSION IS EXPECTED TO CONTINUE. HEIGHT AND MOV
BASED ON GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260531/1850Z=

Mayon Volcano Volcanic Ash Advisory: ERUPTION AT 20260531/0903Z VA CLD UNKNOWN REPORTED OBS VA DTG: 31/0920Z

Satellite image of Mayon volcano on 31 May 2026

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

FVFE01 at 09:41 UTC, 31/05/26 from RJTD
VA ADVISORY
DTG: 20260531/0941Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/666
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260531/0903Z VA CLD UNKNOWN REPORTED
OBS VA DTG: 31/0920Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 250/11KT

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=

Sakurajima Volcano Volcanic Ash Advisory: ERUPTED AT 20260531/0610Z FL080 EXTD SW OBS VA DTG: 31/0610Z

Satellite image of Sakurajima volcano on 31 May 2026

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

FVFE01 at 06:25 UTC, 31/05/26 from RJTD
VA ADVISORY
DTG: 20260531/0625Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2026/68
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: ERUPTED AT 20260531/0610Z FL080 EXTD SW
OBS VA DTG: 31/0610Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL080 260/8KT
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=

Dukono Volcano Volcanic Ash Advisory: VA TO FL080 OBS AT 31/0030Z MOV NE OBS VA DTG: 31/0030Z to 8000 ft (2400 m)

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:

FVAU03 at 00:51 UTC, 31/05/26 from ADRM
VA ADVISORY
DTG: 20260531/0050Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/312
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL080 OBS AT 31/0030Z MOV NE
OBS VA DTG: 31/0030Z
OBS VA CLD: SFC/FL080 N0139 E12752 – N0143 E12749 – N0214
E12805 – N0208 E12824 – N0147 E12831 MOV NW 10KT
FCST VA CLD +6 HR: 31/0630Z SFC/FL080 N0138 E12754 – N0142
E12749 – N0215 E12755 – N0210 E12821 – N0146 E12830
FCST VA CLD +12 HR: 31/1230Z SFC/FL080 N0138 E12754 – N0142
E12748 – N0213 E12754 – N0209 E12821 – N0146 E12829
FCST VA CLD +18 HR: 31/1830Z SFC/FL080 N0138 E12754 – N0142
E12748 – N0213 E12754 – N0209 E12821 – N0146 E12829
RMK: CONTINUOUS VA EMISSIONS OBSERVED ON SATELLITE IMAGERY
TO NORTHEAST OF VOLCANO. VA HEIGHT AND MOVEMENT BASED ON SAT
IMG, 30/2133Z GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260531/0650Z=

Central Bismarck Sea Volcano Volcanic Ash Advisory: VA TO FL100 OBS AT 30/2130Z OBS VA DTG: 30/2140Z to 10000 ft (3000 m)

Satellite image of Central Bismarck Sea volcano on 30 May 2026

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 and is moving at 05 kts in E direction.
The full report is as follows:

FVAU04 at 22:01 UTC, 30/05/26 from ADRM
VA ADVISORY
DTG: 20260530/2201Z
VAAC: DARWIN
VOLCANO: CENTRAL BISMARCK SEA 250030
PSN: S0302 E14747
AREA: PAPUA NEW GUINEA
SOURCE ELEV: 1299M BLW MSL
ADVISORY NR: 2026/69
INFO SOURCE: RVO, HIMAWARI-9
ERUPTION DETAILS: VA TO FL100 OBS AT 30/2130Z
OBS VA DTG: 30/2140Z
OBS VA CLD: SFC/FL100 S0258 E14743 – S0301 E14850 – S0320
E14848 – S0307 E14742 MOV E 05KT
FCST VA CLD +6 HR: 31/0340Z SFC/FL100 S0259 E14742 – S0254
E14849 – S0314 E14849 – S0308 E14742
FCST VA CLD +12 HR: 31/0940Z SFC/FL100 S0259 E14742 – S0249
E14848 – S0309 E14849 – S0308 E14743
FCST VA CLD +18 HR: 31/1540Z SFC/FL100 S0258 E14742 – S0243
E14847 – S0306 E14850 – S0309 E14743
RMK: MINOR VA EMISSION OBS ON SAT IMG EXTENDING EAST OF
SUMMIT. HOTSPOT PRESENT IN NIR CHANNEL AT SUBMARINE VENT.
EMISSION HEIGHT BASED ON OBS MOTION AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260531/0400Z=