Hekla Volcano Volcanic Ash Advisory: MAX PLUME HEIGHT OF 20KM.

Satellite image of Hekla volcano on 12 May 2026

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

FVXX01 at 15:23 UTC, 12/05/26 from EGRR
VA ADVISORY
STATUS: EXER
DTG: 20260512/1513Z
VAAC: LONDON
VOLCANO: HEKLA 372070
PSN: N6359 W01940
AREA: ICELAND
SOURCE ELEV: 1490M AMSL
ADVISORY NR: 2026/001
INFO SOURCE: IMO
ERUPTION DETAILS: MAX PLUME HEIGHT OF 20KM.
OBS VA DTG: 12/1506Z
OBS VA CLD: NOT AVBL VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL200 350/30KT
FCST VA CLD +6 HR: 12/2106Z NOT AVBL
FCST VA CLD +12 HR: 13/0306Z NOT AVBL
FCST VA CLD +18 HR: 13/0906Z NOT AVBL
RMK: EXERCISE EXERCISE EXERCISE
NXT ADVISORY: NO LATER THAN 20260512/1606Z
=

Ibu Volcano Volcanic Ash Advisory: VA EMISSION REP FM GND AT 12/0813Z EST VA DTG: 12/1110Z

Satellite image of Ibu volcano on 12 May 2026

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

FVAU01 at 11:15 UTC, 12/05/26 from ADRM
VA ADVISORY
DTG: 20260512/1130Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/535
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA EMISSION REP FM GND AT 12/0813Z
EST VA DTG: 12/1110Z
EST VA CLD: SFC/FL070 N0127 E12739 – N0132 E12712 – N0149
E12724 – N0130 E12741 MOV NW 10KT
FCST VA CLD +6 HR: 12/1710Z SFC/FL070 N0127 E12740 – N0134
E12712 – N0150 E12725 – N0129 E12742
FCST VA CLD +12 HR: 12/2310Z SFC/FL070 N0127 E12739 – N0131
E12712 – N0148 E12723 – N0130 E12741
FCST VA CLD +18 HR: 13/0510Z SFC/FL070 N0130 E12740 – N0127
E12740 – N0123 E12712 – N0143 E12717
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY DUE TO
MET CLOUD COVER. GROUND REPORTS INDICATE ONGOING
INTERMITTENT ERUPTIONS. HEIGHT AND MOVEMENT BASED ON
HIMAWARI-9 DATA, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260512/1730Z=

Dukono Volcano Volcanic Ash Advisory: GROUND REP OF VA ERUPTION TO FL180 EXTENDING NW

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

FVAU03 at 06:39 UTC, 12/05/26 from ADRM
VA ADVISORY
DTG: 20260512/0640Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/238
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: GROUND REP OF VA ERUPTION TO FL180
EXTENDING NW
EST VA DTG: 12/0620Z
EST VA CLD: SFC/FL180 N0136 E12758 – N0138 E12643 – N0215
E12626 – N0235 E12710 – N0146 E12802 MOV NW 15KT
FCST VA CLD +6 HR: 12/1220Z SFC/FL180 N0145 E12802 – N0135
E12759 – N0125 E12653 – N0157 E12628 – N0230 E12700
FCST VA CLD +12 HR: 12/1820Z SFC/FL180 N0146 E12800 – N0136
E12800 – N0117 E12658 – N0150 E12642 – N0219 E12658
FCST VA CLD +18 HR: 13/0020Z SFC/FL180 N0149 E12759 – N0136
E12802 – N0109 E12701 – N0135 E12635 – N0209 E12643
RMK: GROUND REPORT 02/0545Z OF VA ERUPTION TO FL180.
ADVISORY UPDATED TO INCREASE HEIGHT. VA MOSTLY OBSCURED BY
MET CLOUD ON SATELLITE IMAGERY, LAST OBS MOV NW AND W.
FORECAST AND MOV BASED ON HIMAWARI-9, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260512/1240Z=

Mayon Volcano Volcanic Ash Advisory: ERUPTION AT 20260512/0213Z VA CLD UNKNOWN REPORTED OBS VA DTG: 12/0210Z

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

FVFE01 at 02:28 UTC, 12/05/26 from RJTD
VA ADVISORY
DTG: 20260512/0228Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/597
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260512/0213Z VA CLD UNKNOWN REPORTED
OBS VA DTG: 12/0210Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 020/10KT

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=

Semeru Volcano Volcanic Ash Advisory: GROUND REPORT OF VA ERUPTION AT 11/2222Z EST VA DTG: 11/2230Z

Satellite image of Semeru volcano on 11 May 2026

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

FVAU02 at 22:51 UTC, 11/05/26 from ADRM
VA ADVISORY
DTG: 20260511/2250Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/537
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: GROUND REPORT OF VA ERUPTION AT 11/2222Z
EST VA DTG: 11/2230Z
EST VA CLD: SFC/FL160 S0809 E11257 – S0805 E11216 – S0737
E11242 – S0804 E11259 MOV NW 10KT
FCST VA CLD +6 HR: 12/0430Z SFC/FL160 S0809 E11258 – S0810
E11221 – S0741 E11239 – S0804 E11259
FCST VA CLD +12 HR: 12/1030Z SFC/FL160 S0809 E11257 – S0811
E11221 – S0746 E11228 – S0803 E11258
FCST VA CLD +18 HR: 12/1630Z SFC/FL160 S0805 E11259 – S0809
E11258 – S0814 E11215 – S0746 E11224
RMK: DISCRETE VA EMISSIONS IDENTIFIABLE ON RECENT RGB SAT
IMAGERY MOV NW. GROUND REPORTS INDICATE ONGOING VA
EMISSIONS. VA HEIGHT AND MOV FROM SAT IMAGERY, GROUND REP
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260512/0450Z=