Autor: global-affair

Satellite image of Sakurajima volcano on 13 Dec 2025

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

FVFE01 at 04:42 UTC, 13/12/25 from RJTD
VA ADVISORY
DTG: 20251213/0442Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2025/482
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: EXPLODED AT 20251213/0434Z OVER FL060 EXTD N
OBS VA DTG: 13/0420Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 250/51KT

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=

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 .
The full report is as follows:

FVXX20 at 23:05 UTC, 12/12/25 from KNES
VA ADVISORY
DTG: 20251212/2303Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2025/1267

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: VA EM DETECTED

OBS VA DTG: 12/2230Z

OBS VA CLD: SFC/FL140 S0004 W07740 – S0005 W07738
– S0016 W07749 – S0011 W07754 – S0004 W07740 MOV
SW 5KT

FCST VA CLD +6HR: 13/0430Z SFC/FL140 S0004 W07740
– S0005 W07738 – S0014 W07758 – S0005 W07800 –
S0004 W07740

FCST VA CLD +12HR: 13/1030Z SFC/FL140 S0003
W07803 – S0004 W07739 – S0006 W07738 – S0013
W07802 – S0003 W07803

FCST VA CLD +18HR: 13/1630Z NO VA EXP

RMK: VA EM OBS IN STLT IMG MOVNG WSW FM SUMMIT.
EXP MOVNT SHIFT TO W THRU T+12 HRS. FL BSD ON
PAST ACTIVITY. FCST BSD ON NWP MDLS. …LINER

NXT ADVISORY: WILL BE ISSUED BY 20251213/0500Z

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows:

FVXX22 at 20:49 UTC, 12/12/25 from KNES
VA ADVISORY
DTG: 20251212/2046Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0201 W07820

AREA: ECUADOR

SOURCE ELEV: 17342 FT AMSL

ADVISORY NR: 2025/944

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: VA EM DETECTED

OBS VA DTG: 12/2020Z

OBS VA CLD: SFC/FL200 S0158 W07841 – S0159 W07820
– S0202 W07819 – S0209 W07840 – S0158 W07841 MOV
W 10KT

FCST VA CLD +6HR: 13/0230Z SFC/FL200 S0152 W07844
– S0200 W07819 – S0202 W07820 – S0205 W07845 –
S0152 W07844

FCST VA CLD +12HR: 13/0830Z SFC/FL200 S0147
W07843 – S0159 W07820 – S0202 W07819 – S0202
W07847 – S0147 W07843

FCST VA CLD +18HR: 13/1430Z NO VA EXP

RMK: VA EM SIGNATURE OBS IN STLT IMG MOVNG W FM
SUMMIT. EXP MOVNT TO SHIFT TO WNW THRU T+12 HRS.
FL BSD ON PAST ACTIVITY. FCST BSD ON NWP MDLS.
…LINER

NXT ADVISORY: WILL BE ISSUED BY 20251213/0245Z

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 .
The full report is as follows:

FVXX20 at 11:28 UTC, 12/12/25 from KNES
VA ADVISORY
DTG: 20251212/1124Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2025/1265

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: CONS VA EMS

OBS VA DTG: 12/1050Z

OBS VA CLD: SFC/FL140 S0000 W07759 – S0004 W07739
– S0006 W07739 – S0007 W07800 – S0000 W07759 MOV
NW 10KT

FCST VA CLD +6HR: 12/1700Z SFC/FL140 N0004 W07758
– S0004 W07739 – S0005 W07739 – S0004 W07801 –
N0004 W07758

FCST VA CLD +12HR: 12/2300Z SFC/FL140 S0004
W07801 – S0004 W07740 – S0005 W07739 – S0011
W07759 – S0004 W07801

FCST VA CLD +18HR: 13/0500Z SFC/FL140 S0004
W07740 – S0005 W07739 – S0011 W07759 – S0004
W07801 – S0004 W07740

RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 20 NM WNW
FM SUMMIT. WNW MVMT EXP TO SHIFT WSW BY T+12 HRS.
MVMT AND HGT BASED ON STLT OBS AND NWP MDLS.
…BERTALAN

NXT ADVISORY: WILL BE ISSUED BY 20251212/1730Z