Overall Green Volcanic eruption for Ibu in Indonesia on 10 May 2026 23:30 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Green Volcanic eruption for Ibu

in Indonesia

Volcano Ash Advisories for air traffic

Although Volcano Ash Advisories (VAAC) are not intended for assessing humanitarian impact, the observations of the plume are relevant for understanding local impact. The actual impact (like ash fall) depends on the type of eruption and is not known.

Click on the messages list to visualize on the right the detailed text.

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

10 May 23:30 11 May 05:30 11 May 11:30

11/05 11:30 2026-531 DARWIN

11/05 05:30 2026-530 DARWIN

10/05 23:30 2026-529 DARWIN

10/05 17:30 2026-528 DARWIN

10/05 11:30 2026-527 DARWIN

10/05 05:30 2026-526 DARWIN

Volcanic Ash Advisory issued on 2026-05-11 at 11:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station observation from ground at 11 0436 UTC.
Volcanic ash not identifiable on satellite imagery due to meteorological cloud cover. Ground reports indicate intermittent eruptions are ongoing. Height and movement based on himawari-9, ground reports and model guidance.

Original Message :

Received FVAU01 at 11:20 UTC, 11/05/26 from ADRM
VA ADVISORY
DTG: 20260511/1130Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/531
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 LAST OBS FM GROUND AT 11/0436Z
EST VA DTG: 11/1100Z
EST VA CLD: SFC/FL070 N0126 E12738 - N0137 E12717 - N0150 E12735 - N0129 E12742 MOV NW 05KT
E12735 - N0129 E12742 MOV NW 05KT
FCST VA CLD +6 HR: 11/1700Z SFC/FL070 N0126 E12740 - N0129 E12713 - N0148 E12728 - N0130 E12743
E12713 - N0148 E12728 - N0130 E12743
FCST VA CLD +12 HR: 11/2300Z SFC/FL070 N0126 E12740 - N0125 E12712 - N0125 E12712 - N0145 E12719 - N0131 E12743
E12712 - N0125 E12712 - N0145 E12719 - N0131 E12743
FCST VA CLD +18 HR: 12/0500Z SFC/FL070 N0127 E12741 - N0124 E12712 - N0144 E12719 - N0131 E12742
E12712 - N0144 E12719 - N0131 E12742
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD COVER. GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS
ARE ONGOING. HEIGHT AND MOVEMENT BASED ON HIMAWARI-9, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260511/1730Z=

Volcanic Ash Advisory issued on 2026-05-11 at 05:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station observation from ground at 11 0436 UTC.
Volcanic ash not identifiable on satellite imagery due to meteorological cloud cover. Ground reports indicate intermittent eruptions are ongoing. Height and movement based on himawari-9, ground reports and model guidance.

Original Message :

Received FVAU01 at 05:31 UTC, 11/05/26 from ADRM
VA ADVISORY
DTG: 20260511/0530Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/530
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 LAST OBS FM GROUND AT 11/0436Z
EST VA DTG: 11/0510Z
EST VA CLD: SFC/FL070 N0127 E12736 - N0142 E12723 - N0151 E12734 - N0148 E12747 - N0127 E12742 MOV N 05KT
E12734 - N0148 E12747 - N0127 E12742 MOV N 05KT
FCST VA CLD +6 HR: 11/1110Z SFC/FL070 N0126 E12738 - N0137 E12717 - N0150 E12735 - N0129 E12742
E12717 - N0150 E12735 - N0129 E12742
FCST VA CLD +12 HR: 11/1710Z SFC/FL070 N0126 E12740 - N0134 E12715 - N0148 E12728 - N0130 E12743
E12715 - N0148 E12728 - N0130 E12743
FCST VA CLD +18 HR: 11/2310Z SFC/FL070 N0126 E12740 - N0125 E12712 - N0125 E12712 - N0145 E12719 - N0131 E12743
E12712 - N0125 E12712 - N0145 E12719 - N0131 E12743
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD COVER. GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS
ARE ONGOING. HEIGHT AND MOVEMENT BASED ON HIMAWARI-9, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260511/1130Z=

Volcanic Ash Advisory issued on 2026-05-10 at 23:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 70 (2100m) observation from ground 09 1509 UTC.
Volcanic ash not identifiable on satellite imagery due to meteorological cloud cover. Ground reports indicate intermittent eruptions are ongoing. Height and movement based on himawari-9, ground reports and model guidance.

Original Message :

Received FVAU01 at 23:29 UTC, 10/05/26 from ADRM
VA ADVISORY
DTG: 20260510/2330Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/529
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS FM GROUND 09/1509Z
EST VA DTG: 10/2310Z
EST VA CLD: SFC/FL070 N0128 E12740 - N0128 E12736 - N0145 E12729 - N0149 E12741 - N0143 E12750 MOV N 05KT
E12729 - N0149 E12741 - N0143 E12750 MOV N 05KT
FCST VA CLD +6 HR: 11/0510Z SFC/FL070 N0128 E12736 - N0141 E12724 - N0151 E12734 - N0147 E12747 - N0128 E12741
E12724 - N0151 E12734 - N0147 E12747 - N0128 E12741
FCST VA CLD +12 HR: 11/1110Z SFC/FL070 N0127 E12737 - N0137 E12717 - N0148 E12735 - N0129 E12741
E12717 - N0148 E12735 - N0129 E12741
FCST VA CLD +18 HR: 11/1710Z SFC/FL070 N0127 E12738 - N0134 E12715 - N0148 E12728 - N0130 E12741
E12715 - N0148 E12728 - N0130 E12741
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD COVER. GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS
ARE ONGOING. HEIGHT AND MOVEMENT BASED ON HIMAWARI-9, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260511/0530Z=

Volcanic Ash Advisory issued on 2026-05-10 at 17:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 70 (2100m) observation from ground 09 1509 UTC.
Volcanic ash not identifiable on satellite imagery due to meteorological cloud cover. Ground reports indicate intermittent eruptions are ongoing. Height and movement based on himawari-9, ground reports and model guidance.

Original Message :

Received FVAU01 at 17:19 UTC, 10/05/26 from ADRM
VA ADVISORY
DTG: 20260510/1730Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/528
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS FM GROUND 09/1509Z
EST VA DTG: 10/1700Z
EST VA CLD: SFC/FL070 N0126 E12739 - N0127 E12735 - N0146 E12729 - N0148 E12748 - N0136 E12756 MOV NE 05KT
E12729 - N0148 E12748 - N0136 E12756 MOV NE 05KT
FCST VA CLD +6 HR: 10/2300Z SFC/FL070 N0127 E12739 - N0127 E12736 - N0146 E12728 - N0148 E12743 - N0144 E12752
E12736 - N0146 E12728 - N0148 E12743 - N0144 E12752
FCST VA CLD +12 HR: 11/0500Z SFC/FL070 N0127 E12739 - N0127 E12736 - N0144 E12724 - N0148 E12743 - N0144 E12752
E12736 - N0144 E12724 - N0148 E12743 - N0144 E12752
FCST VA CLD +18 HR: 11/1100Z SFC/FL070 N0127 E12737 - N0140 E12717 - N0148 E12737 - N0127 E12741
E12717 - N0148 E12737 - N0127 E12741
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD COVER. GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS
ARE ONGOING. HEIGHT AND MOVEMENT BASED ON HIMAWARI-9, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260510/2330Z=

Volcanic Ash Advisory issued on 2026-05-10 at 11:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 70 (2100m) observation from ground 09 1009 UTC move nw.
Volcanic ash not identifiable on satellite imagery due to meteorological cloud cover. Ground reports indicate intermittent eruptions are ongoing. Height and movement based on himawari-9, ground reports and model guidance.

Original Message :

Received FVAU01 at 11:25 UTC, 10/05/26 from ADRM
VA ADVISORY
DTG: 20260510/1130Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/527
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS FM GROUND 09/1009Z MOV NW
EST VA DTG: 10/1100Z
EST VA CLD: SFC/FL070 N0127 E12738 - N0129 E12736 - N0146 E12732 - N0142 E12751 - N0132 E12757 MOV NE 05KT
E12732 - N0142 E12751 - N0132 E12757 MOV NE 05KT
FCST VA CLD +6 HR: 10/1700Z SFC/FL070 N0126 E12739 - N0127 E12735 - N0146 E12729 - N0148 E12748 - N0136 E12756
E12735 - N0146 E12729 - N0148 E12748 - N0136 E12756
FCST VA CLD +12 HR: 10/2300Z SFC/FL070 N0127 E12739 - N0127 E12736 - N0146 E12728 - N0148 E12743 - N0144 E12752
E12736 - N0146 E12728 - N0148 E12743 - N0144 E12752
FCST VA CLD +18 HR: 11/0500Z SFC/FL070 N0127 E12739 - N0127 E12736 - N0144 E12724 - N0148 E12743 - N0144 E12752
E12736 - N0144 E12724 - N0148 E12743 - N0144 E12752
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD COVER. GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS
ARE ONGOING. HEIGHT AND MOVEMENT BASED ON HIMAWARI-9, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260510/1730Z=

Volcanic Ash Advisory issued on 2026-05-10 at 05:30 UTC.

Key information extracted from original VAA message :

Volcanic ash to flight level 70 (2100m) observation from ground 09 1637 UTC move e.
Volcanic ash not identifiable on satellite imagery due to meteorological cloud cover. Height and movement based on himawari-9, ground reports and model guidance.

Original Message :

Received FVAU01 at 05:13 UTC, 10/05/26 from ADRM
VA ADVISORY
DTG: 20260510/0530Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/526
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS FM GROUND 09/1637Z MOV E
EST VA DTG: 10/0510Z
EST VA CLD: SFC/FL070 N0127 E12736 - N0131 E12735 - N0142 E12751 - N0137 E12759 - N0127 E12758 MOV NE 05KT
E12751 - N0137 E12759 - N0127 E12758 MOV NE 05KT
FCST VA CLD +6 HR: 10/1110Z SFC/FL070 N0126 E12737 - N0131 E12734 - N0144 E12746 - N0140 E12754 - N0132 E12757
E12734 - N0144 E12746 - N0140 E12754 - N0132 E12757
FCST VA CLD +12 HR: 10/1710Z SFC/FL070 N0126 E12738 - N0130 E12735 - N0147 E12741 - N0146 E12752 - N0136 E12756
E12735 - N0147 E12741 - N0146 E12752 - N0136 E12756
FCST VA CLD +18 HR: 10/2310Z SFC/FL070 N0126 E12739 - N0127 E12735 - N0147 E12738 - N0148 E12750 - N0139 E12756
E12735 - N0147 E12738 - N0148 E12750 - N0139 E12756
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD COVER. HEIGHT AND MOVEMENT BASED ON HIMAWARI-9, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260510/1130Z=

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