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The effusive eruption at the volcano continues. A new lava flow started to emerge from the northern flank vent. It currently advances towards the northern coast, likely covering the surfaces created by previous lava flows.
The lava flow that had earlier formed the new lava platform on the northern coastline seems to have stopped being active.
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows:
FVXX23 at 13:51 UTC, 22/12/25 from KNES
VA ADVISORY
DTG: 20251222/1348Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2025/702
INFO SOURCE:
ERUPTION DETAILS: FRQNT VA EM
OBS VA DTG: 22/1310Z
OBS VA CLD: SFC/FL150 N1428 W09052 – N1426 W09052
– N1416 W09114 – N1423 W09117 – N1428 W09052 MOV
W 20KT
FCST VA CLD +6HR: 22/1900Z SFC/FL150 N1428 W09052
– N1426 W09052 – N1415 W09119 – N1425 W09123 –
N1428 W09052
FCST VA CLD +12HR: 23/0100Z SFC/FL150 N1428
W09052 – N1426 W09052 – N1416 W09123 – N1427
W09125 – N1428 W09052
FCST VA CLD +18HR: 23/0700Z SFC/FL150 N1431
W09125 – N1429 W09052 – N1426 W09052 – N1420
W09124 – N1431 W09125
RMK: VA EM OBS IN WEBCAM AND STLT IMG MOVNG WSW
AT APX 20 TO 25 NMI FM SUMMIT. MOVNT EXP TO SHIFT
TO W THRU T+18 HRS. FCST BSD ON NWP MDLS.
…LINER
NXT ADVISORY: WILL BE ISSUED BY 20251222/1945Z
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:
FVFE01 at 08:30 UTC, 22/12/25 from RJTD
VA ADVISORY
DTG: 20251222/0830Z
VAAC: TOKYO
VOLCANO: KANLAON 272020
PSN: N1025 E12308
AREA: PHILIPPINES
SOURCE ELEV: 2435M AMSL
ADVISORY NR: 2025/169
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20251222/0805Z FL090 EXTD NW REPORTED
OBS VA DTG: 22/0810Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 120/10KT
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) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows:
FVAU02 at 04:57 UTC, 22/12/25 from ADRM
VA ADVISORY
DTG: 20251222/0500Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1458
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 LAST REPORTED 21/2339Z MOV NE
EST VA DTG: 22/0440Z
EST VA CLD: SFC/FL150 S0808 E11255 – S0806 E11252 – S0744
E11300 – S0757 E11316 MOV NE 10KT
FCST VA CLD +6 HR: 22/1040Z SFC/FL150 S0809 E11255 – S0806
E11251 – S0744 E11300 – S0755 E11316
FCST VA CLD +12 HR: 22/1640Z SFC/FL150 S0808 E11256 – S0806
E11251 – S0748 E11258 – S0756 E11311
FCST VA CLD +18 HR: 22/2240Z SFC/FL150 S0808 E11256 – S0806
E11252 – S0746 E11257 – S0754 E11312
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED
ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251222/1100Z=
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:
FVFE01 at 02:19 UTC, 22/12/25 from RJTD
VA ADVISORY
DTG: 20251222/0219Z
VAAC: TOKYO
VOLCANO: KANLAON 272020
PSN: N1025 E12308
AREA: PHILIPPINES
SOURCE ELEV: 2435M AMSL
ADVISORY NR: 2025/167
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20251222/0120Z FL080 EXTD NW REPORTED
OBS VA DTG: 22/0200Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL080 120/10KT
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=