Autor: global-affair

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070.
Original VAAC bulletin:

FVAU04 at 00:39 UTC, 05/10/26 from ADRM
VA ADVISORY
DTG: 20261005/0045Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/310
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS MOV NW
OBS VA DTG: 05/0020Z
OBS VA CLD: SFC/FL070 S0816 E12333 - S0819 E12331 - S0803
 E12249 - S0741 E12306 MOV NW 15KT
FCST VA CLD +6 HR: 05/0620Z SFC/FL070 S0819 E12331 - S0804
 E12248 - S0736 E12310 - S0755 E12326 - S0816 E12334
FCST VA CLD +12 HR: 05/1220Z SFC/FL070 S0815 E12333 - S0819
 E12331 - S0801 E12250 - S0734 E12306 - S0755 E12326
FCST VA CLD +18 HR: 05/1820Z SFC/FL070 S0819 E12332 - S0803
 E12248 - S0736 E12312 - S0817 E12334
RMK: VA IDENTIFIABLE ON LATEST SATELLITE IMAGERY MOVING NW.
 HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
 REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261005/0645Z=

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070.
Original VAAC bulletin:

FVAU03 at 21:50 UTC, 04/10/26 from ADRM
VA ADVISORY
DTG: 20261004/2200Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/1128
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 LAST REPORTED 04/1529Z MOV E
EST VA DTG: 04/2140Z
EST VA CLD: SFC/FL070 N0126 E12737 - N0132 E12735 - N0159
 E12811 - N0144 E12826 - N0124 E12820 MOV E 15KT
FCST VA CLD +6 HR: 05/0340Z SFC/FL070 N0126 E12737 - N0131
 E12734 - N0204 E12801 - N0154 E12821 - N0131 E12820
FCST VA CLD +12 HR: 05/0940Z SFC/FL070 N0125 E12738 - N0129
 E12734 - N0205 E12752 - N0202 E12814 - N0138 E12819
FCST VA CLD +18 HR: 05/1540Z SFC/FL070 N0125 E12739 - N0129
 E12734 - N0205 E12754 - N0201 E12816 - N0135 E12820
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
 MET CLOUD. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORTS
 AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261005/0400Z=

Satellite image of Sakurajima volcano on 4 Oct 2026

An explosion was reported at Sakurajima at 16:23 UTC on 4 October 2026, but no volcanic ash cloud was identifiable in satellite data as of 16:20 UTC. No forecast information is available.
Original VAAC bulletin:

FVFE01 at 16:40 UTC, 04/10/26 from RJTD
VA ADVISORY
DTG: 20261004/1640Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2026/260
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: EXPLODED AT 20261004/1623Z FL110 STNR
OBS VA DTG: 04/1620Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL110 250/7KT
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. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 22000 ft (6700 m), or flight level 220, and moving at 10 kts in NW direction.
Original VAAC bulletin:

FVXX25 at 11:15 UTC, 04/10/26 from KNES
VA ADVISORY
DTG: 20261004/1113Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SOURCE ELEV: 17342 FT AMSL

ADVISORY NR: 2026/648

INFO SOURCE: GOES-19. NWP MODELS. 

ERUPTION DETAILS: FREQUENT VA EMS

OBS VA DTG: 04/1040Z

OBS VA CLD: SFC/FL220 S0141 W07842 - S0143 W07840
- S0145 W07844 - S0143 W07846 - S0141 W07842 MOV
NW 10KT SFC/FL220 S0126 W07914 - S0128 W07911 -
S0132 W07915 - S0130 W07919 - S0126 W07914 MOV NW
10KT 

FCST VA CLD +6HR: 04/1630Z SFC/FL220 S0134 W07832
- S0201 W07820 - S0201 W07820 - S0136 W07838 -
S0134 W07832 

FCST VA CLD +12HR: 04/2230Z SFC/FL220 S0133
W07831 - S0201 W07820 - S0201 W07820 - S0135
W07837 - S0133 W07831 

FCST VA CLD +18HR: 05/0430Z SFC/FL220 S0133
W07830 - S0201 W07820 - S0201 W07820 - S0134
W07835 - S0133 W07830 

RMK: DISCRETE VA EMS OBS IN STLT IMG EXT APRX
70NM NW FM SUMMIT. NW MVMT EXP THRU T+18. FCST
BASED ON STLT AND MDL WINDS. ...GATLING

NXT ADVISORY: WILL BE ISSUED BY 20261004/1715Z