Santiaguito Volcano Volcanic Ash Advisory: VA EMS NOT OBS

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

FVXX24 at 02:32 UTC, 12/11/25 from KNES
VA ADVISORY
DTG: 20251112/0230Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SUMMIT ELEV: 12287 FT [3745 M]

ADVISORY NR: 2025/752

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: VA EMS NOT OBS

OBS VA DTG: 12/0200Z

OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA.

FCST VA CLD +6HR: 12/0800Z NO VA EXP

FCST VA CLD +12HR: 12/1400Z NO VA EXP

FCST VA CLD +18HR: 12/2000Z NO VA EXP

RMK: VA EMS NOT OBS IN STLT IMG UNDER MTLY CLEAR
CONDITIONS. NO RCNT RPRTS OF VA RCVD. …MONAGHAN

NXT ADVISORY: NO FURTHER ADVISORIES

Taal Volcano Volcanic Ash Advisory: ERUPTION AT 20251111/2251Z FL110 EXTD NE REPORTED OBS VA DTG: 11/2300Z

Satellite image of Taal volcano on 11 Nov 2025

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

FVFE01 at 23:12 UTC, 11/11/25 from RJTD
VA ADVISORY
DTG: 20251111/2312Z
VAAC: TOKYO
VOLCANO: TAAL 273070
PSN: N1400 E12100
AREA: PHILIPPINES
SUMMIT ELEV: 311M
ADVISORY NR: 2025/8
INFO SOURCE: HIMAWARI-8 PHIVOLCS
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: ERUPTION AT 20251111/2251Z FL110 EXTD NE REPORTED
OBS VA DTG: 11/2300Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL110 240/3KT
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=

Ibu Volcano Volcanic Ash Advisory: VA ERUPTION LAST REP AT 11/0840Z MOV SE EST VA DTG: 11/1250Z

Satellite image of Ibu volcano on 11 Nov 2025

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

FVAU01 at 13:08 UTC, 11/11/25 from ADRM
VA ADVISORY
DTG: 20251111/1310Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SUMMIT ELEV: 1325M
ADVISORY NR: 2025/1265
INFO SOURCE: CVGHM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION LAST REP AT 11/0840Z MOV SE
EST VA DTG: 11/1250Z
EST VA CLD: SFC/FL070 N0128 E12734 – N0133 E12738 – N0122
E12807 – N0110 E12809 – N0108 E12756 MOV SE 10KT
FCST VA CLD +6 HR: 11/1850Z SFC/FL070 N0128 E12734 – N0133
E12738 – N0120 E12807 – N0110 E12809 – N0108 E12758
FCST VA CLD +12 HR: 12/0050Z SFC/FL070 N0128 E12734 – N0133
E12738 – N0118 E12806 – N0108 E12808 – N0108 E12757
FCST VA CLD +18 HR: 12/0650Z SFC/FL070 N0128 E12734 – N0133
E12738 – N0122 E12807 – N0112 E12810 – N0110 E12800
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. MULTIPLE GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251111/1910Z=

Planchón-Peteroa Volcano Volcanic Ash Advisory: CONT EMISSION to 14000 ft (4300 m)

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 35 kts in SE direction.
The full report is as follows:

FVAG01 at 12:55 UTC, 11/11/25 from SABM
VA ADVISORY
DTG: 20251111/1300Z

VAAC: BUENOS AIRES

VOLCANO: PLANCHON PETEROA 357040
PSN: S3513 W07034

AREA: CHILE-ARGENTINA

SUMMIT ELEV: 13048 FT [3977 M]

ADVISORY NR: 2025/027

INFO SOURCE: GOES-E. GFS. WEBCAM.

AVIATION COLOUR CODE: NOT GIVEN

ERUPTION DETAILS: CONT EMISSION

OBS VA DTG: 11/1220Z

OBS VA CLD: SFC/FL140 S3512 W07034 – S3526 W07007
– S3540 W06926 – S3558 W06926 – S3537 W07013 –
S3512 W07034 MOV SE 35KT

FCST VA CLD +6 HR: 11/1820Z SFC/FL140 S3512 W07033
– S3518 W06958 – S3517 W06916 – S3540 W06916 –
S3537 W07000 – S3512 W07033

FCST VA CLD +12 HR: 12/0020Z SFC/FL140 S3511
W07033 – S3522 W06940 – S3529 W06911 – S3555
W06911 – S3544 W07000 – S3511 W07033

FCST VA CLD +18 HR: 12/0620Z SFC/FL140 S3511
W07033 – S3516 W06939 – S3535 W06919 – S3537
W06958 – S3511 W07033

RMK: WEBCAMS REVEAL A CONT EMS OF STEAM AND VA
NEAR SUMMIT LVL. FAINT VA PLUME IS LIGHTLY
DETECTED IN STLT IMAGERY …SMN

NXT ADVISORY: WILL BE ISSUED BY 20251111/1900Z=

Reventador Volcano Volcanic Ash Advisory: VA EMS NOT OBS

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

FVXX20 at 09:55 UTC, 11/11/25 from KNES
VA ADVISORY
DTG: 20251111/0954Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SUMMIT ELEV: 11686 FT [3562 M]

ADVISORY NR: 2025/1127

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: VA EMS NOT OBS

OBS VA DTG: 11/0920Z

OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA.

FCST VA CLD +6HR: 11/1530Z NO VA EXP

FCST VA CLD +12HR: 11/2130Z NO VA EXP

FCST VA CLD +18HR: 12/0330Z NO VA EXP

RMK: VA EMS NOT OBS IN STLT IMG UNDER MSTLY CLEAR CONDITIONS. NO RCNT RPRTS OF
VA RCVD. …MONAGHAN

NXT ADVISORY: NO FURTHER ADVISORIES