Ibu Volcano Volcanic Ash Advisory: ERUPTION REPORTED AT 18/1430Z EST VA DTG: 18/1430Z

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

FVAU01 at 14:56 UTC, 18/11/25 from ADRM
VA ADVISORY
DTG: 20251118/1500Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SUMMIT ELEV: 1325M
ADVISORY NR: 2025/1295
INFO SOURCE: CVGHM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION REPORTED AT 18/1430Z
EST VA DTG: 18/1430Z
EST VA CLD: SFC/FL060 N0130 E12736 – N0131 E12739 – N0120
E12747 – N0116 E12737 MOV SE 10KT
FCST VA CLD +6 HR: 18/2030Z SFC/FL060 N0130 E12736 – N0131
E12739 – N0122 E12749 – N0116 E12740
FCST VA CLD +12 HR: 19/0230Z SFC/FL060 N0129 E12737 – N0130
E12738 – N0127 E12750 – N0119 E12744
FCST VA CLD +18 HR: 19/0830Z SFC/FL060 N0129 E12737 – N0130
E12739 – N0127 E12750 – N0119 E12744
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY, HOWEVER
GROUND REPORTS INDICATE INTERMITTENT DISCRETE ERUPTIONS ARE
ONGOING. HEIGHT AND MOVEMENT BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251118/2100Z=

Semeru Volcano Volcanic Ash Advisory: ERUPTION REPORTED AT 18/1136Z EST VA DTG: 18/1250Z

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

FVAU02 at 13:16 UTC, 18/11/25 from ADRM
VA ADVISORY
DTG: 20251118/1320Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3657M
ADVISORY NR: 2025/1313
INFO SOURCE: CVGHM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION REPORTED AT 18/1136Z
EST VA DTG: 18/1250Z
EST VA CLD: SFC/FL150 S0806 E11253 – S0804 E11256 – S0808
E11311 – S0822 E11309 – S0823 E11254 MOV SE 10KT
FCST VA CLD +6 HR: 18/1850Z SFC/FL150 S0806 E11253 – S0804
E11255 – S0806 E11312 – S0815 E11312 – S0824 E11301 – S0822
E11254
FCST VA CLD +12 HR: 19/0050Z SFC/FL150 S0806 E11253 – S0804
E11256 – S0808 E11309 – S0818 E11309 – S0822 E11253
FCST VA CLD +18 HR: 19/0650Z SFC/FL150 S0806 E11253 – S0756
E11302 – S0800 E11309 – S0806 E11310 – S0808 E11254
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER GROUND REPORTS INDICATE INTERMITTENT DISCRETE
ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251118/1920Z=

Aira Volcano (Japan) activity update Nov 17, 2025 – Continuing eruption

The Japan Meteorological Agency (JMA) reported that the eruption continued at Aira on 17 November 2025 (local). The alert level remained at „Level 3 – Restriction on proximity to the volcano“ (on a 5-level scale).
Source: Japan Meteorological Agency (JMA)

Current Alerts:
Observatory alert level: „Level 3 – Restriction on proximity to the volcano“ (on a 5-level scale)
Aviation Alert Level: unavailable or not collected

Adapted from: Smithsonian / USGS Daily Volcanic Activity Report for Nov 17, 2025

White Island Volcano Volcanic Ash Advisory: NO EVIDENCE OF FURTHER ERUPTION.

Satellite image of White Island volcano on 18 Nov 2025

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

FVPS01 at 05:13 UTC, 18/11/25 from NZKL
VA ADVISORY
DTG: 20251118/0513Z
VAAC: WELLINGTON
VOLCANO: WHAKAARI/WHITE ISLAND 241040
PSN: S3731 E17711
AREA: NEW ZEALAND
SUMMIT ELEV: 294M
ADVISORY NR: 2025/154
INFO SOURCE: H8 SAT IMAGE, WEBCAMS.
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: NO EVIDENCE OF FURTHER ERUPTION.
EST VA DTG: 18/0513Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
FL010/020 050/25KT
FCST VA CLD +6 HR: 18/1113Z NO VA EXP
FCST VA CLD +12 HR: 18/1713Z NO VA EXP
FCST VA CLD +18 HR: 18/2313Z NO VA EXP
RMK: VOLCANO OBSC BY MET CLD. NO FURTHER EVIDENCE OF VA.
NXT ADVISORY: NO FURTHER ADVISORIES=

Ibu Volcano Volcanic Ash Advisory: ERUPTION REPORTED AT 17/1507Z EST VA DTG: 18/0230Z

Satellite image of Ibu volcano on 18 Nov 2025

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

FVAU01 at 02:58 UTC, 18/11/25 from ADRM
VA ADVISORY
DTG: 20251118/0300Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SUMMIT ELEV: 1325M
ADVISORY NR: 2025/1293
INFO SOURCE: CVGHM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION REPORTED AT 17/1507Z
EST VA DTG: 18/0230Z
EST VA CLD: SFC/FL060 N0131 E12739 – N0122 E12750 – N0116
E12734 – N0130 E12736 MOV SE 10KT
FCST VA CLD +6 HR: 18/0830Z SFC/FL060 N0131 E12739 – N0122
E12749 – N0116 E12735 – N0130 E12736
FCST VA CLD +12 HR: 18/1430Z SFC/FL060 N0131 E12739 – N0120
E12747 – N0116 E12737 – N0130 E12736
FCST VA CLD +18 HR: 18/2030Z SFC/FL060 N0131 E12739 – N0122
E12749 – N0116 E12740 – N0130 E12736
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY, HOWEVER
GROUND REPORTS INDICATE INTERMITTENT DISCRETE ERUPTIONS ARE
ONGOING. HEIGHT AND MOVEMENT BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251118/0900Z=