Autor: global-affair

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

FVAU02 at 16:09 UTC, 31/12/25 from ADRM
VA ADVISORY
DTG: 20251231/1610Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1497
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 31/0009Z
EST VA DTG: 31/1550Z
EST VA CLD: SFC/FL150 S0801 E11251 – S0755 E11313 – S0807
E11318 – S0822 E11314 – S0820 E11300 – S0810 E11249 MOV E
05KT
FCST VA CLD +6 HR: 31/2150Z SFC/FL150 S0800 E11252 – S0757
E11312 – S0812 E11317 – S0826 E11308 – S0810 E11249
FCST VA CLD +12 HR: 01/0350Z SFC/FL150 S0809 E11251 – S0802
E11252 – S0755 E11317 – S0809 E11326 – S0823 E11314
FCST VA CLD +18 HR: 01/0950Z SFC/FL150 S0808 E11251 – S0800
E11252 – S0752 E11315 – S0805 E11322 – S0819 E11313
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. GROUND REPORTS WEBCAM IMAGERY INDICATE INTERMITTENT
DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED
ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251231/2210Z=

The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Dukono on 30 December 2025 (local). The alert level remained at „Level 2 – Alert“ (on a 4-level scale).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)

Current Alerts:
Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
Aviation Alert Level: unavailable or not collected

Adapted from: Smithsonian / USGS Daily Volcanic Activity Report for Dec 30, 2025

Satellite image of Semeru volcano on 31 Dec 2025

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

FVAU02 at 04:22 UTC, 31/12/25 from ADRM
VA ADVISORY
DTG: 20251231/0410Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1495
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 31/0009Z
EST VA DTG: 31/0350Z
EST VA CLD: SFC/FL150 S0802 E11251 – S0806 E11318 – S0826
E11313 – S0828 E11252 MOV SE 05KT
FCST VA CLD +6 HR: 31/0950Z SFC/FL150 S0810 E11251 – S0802
E11251 – S0748 E11311 – S0759 E11322 – S0814 E11322 – S0825
E11310
FCST VA CLD +12 HR: 31/1550Z SFC/FL150 S0810 E11251 – S0802
E11251 – S0748 E11311 – S0801 E11322 – S0818 E11320 – S0826
E11305
FCST VA CLD +18 HR: 31/2150Z SFC/FL150 S0810 E11251 – S0744
E11257 – S0753 E11318 – S0815 E11322 – S0830 E11304
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT DISCRETE
EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON SAT
IMG, GROUND REPORTS AND MODEL GUIDANCE. *ADVISORY CORRECTED
FOR +18HR FCST HEIGHT*
NXT ADVISORY: NO LATER THAN 20251231/1010Z=