From 20/09/2026 to 20/09/2026, a Tropical Storm (maximum wind speed of 130 km/h) ODALYS-26 was active in EastPacific. The cyclone affects these countries: [unknown] (vulnerability [unknown]). Estimated population affected by category 1 (120 km/h) wind speeds or higher is 0 (0 in tropical storm).
Lewotolo Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Sep 20, 04:40 UTC
Satellite image of Lewotolo volcano on 20 Sep 2026
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, and moving at 05 kts in NW direction.
Original VAAC bulletin:
FVAU04 at 05:01 UTC, 20/09/26 from ADRM
VA ADVISORY
DTG: 20260920/0500Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/256
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS 20/0440Z EXT NW
OBS VA DTG: 20/0440Z
OBS VA CLD: SFC/FL070 S0814 E12332 - S0819 E12332 - S0804
E12307 - S0753 E12320 MOV NW 05KT
FCST VA CLD +6 HR: 20/1040Z SFC/FL070 S0814 E12332 - S0819
E12332 - S0815 E12305 - S0756 E12315
FCST VA CLD +12 HR: 20/1640Z SFC/FL070 S0814 E12332 - S0819
E12332 - S0821 E12304 - S0804 E12307
FCST VA CLD +18 HR: 20/2240Z SFC/FL070 S0814 E12332 - S0819
E12332 - S0824 E12304 - S0806 E12306 - S0754 E12319
RMK: CONTINUOUS VA IDENTIFIABLE ON SATELLITE IMAGERY. HEIGHT
AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260920/1100Z=
Sakurajima Volcano Volcanic Ash Advisory: ERUPTED AT 20260920/0038Z FL090 EXTD SW OBS VA DTG: 20/0030Z
The Volcanic Ash Advisory Center (VAAC) Tokyo issued the following bulletin.
Original VAAC bulletin:
FVFE01 at 00:49 UTC, 20/09/26 from RJTD
VA ADVISORY
DTG: 20260920/0049Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2026/205
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: ERUPTED AT 20260920/0038Z FL090 EXTD SW
OBS VA DTG: 20/0030Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 020/19KT
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=
Volcanic activity worldwide 19 Sep 2026: Santiaguito volcano, Fuego, Semeru, Ibu, Reventador, Mayon,…
Map of today's active volcanoes
Kanlaon (Central Philippines): An eruption was reported at Kanlaon, with volcanic ash observed as of 19 September 2026, 16:00 UTC. Ash was not identifiable from satellite data at that time.
Original VAAC bulletin: eruption reported as of 19 Sep 2026, 16:00 UTC
Mayon (Luzon Island, Philippines): An eruption was reported at Mayon at 08:52 UTC on 19 September 2026, but no volcanic ash cloud was identifiable in satellite data as of 09:00 UTC. No further advisories are planned unless ash is detected.
Original VAAC bulletin: no ash plume observed as of 09:00 UTC
Ibu (Halmahera, Indonesia): 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, and moving at 05 kts in NE direction.
Original VAAC bulletin: ash plume to 7,000 ft (2,100 m) as of Sep 19, 10:03 UTC
Lewotolo (Lesser Sunda Islands): (18 Sep) A volcanic ash advisory has been issued for Lewotolo. Ash was reported from the ground at 18 Sep 10:51 UTC, with movement towards the west at 10 knots. The ash cloud height is estimated based on satellite, ground reports, and model guidance, but was not identifiable on satellite imagery.
Original VAAC bulletin: Lewotolo Volcanic Ash Advisory
Semeru (East Java, Indonesia): A ground-based report indicated a volcanic ash emission from Semeru at 19 September 2026, 04:14 UTC, with ash estimated to be moving east at 25 knots as of 09:20 UTC. The ash cloud was not identifiable on satellite imagery due to meteorological clouds; forecasts indicate intermittent emissions may continue.
Original VAAC bulletin: Semeru Volcanic Ash Advisory
Ambrym (Vanuatu): No observed ash plume height was reported for Ambrym as of 19 September 13:40 UTC. The advisory notes unknown eruption details and no further advisories are expected.
Original VAAC bulletin: no ash plume height observed as of 19 Sep 13:40 UTC
Santiaguito (Guatemala): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 14000 ft (4300 m), or flight level 140.
Original VAAC bulletin: ash plume to 14,000 ft (4,300 m) as of Sep 19, 15:50 UTC
Fuego (Guatemala): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 14000 ft (4300 m), or flight level 140, and moving at 5 kts in N direction.
Original VAAC bulletin: ash plume to 14,000 ft (4,300 m) as of Sep 19, 12:10 UTC
Masaya (Nicaragua): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 5000 ft (1500 m), or flight level 050.
Original VAAC bulletin: ash plume to 5,000 ft (1,500 m) as of Sep 19, 15:10 UTC
Puracé (Colombia): Satellite and webcam data as of 19 September 2026, 11:30 UTC, show no identifiable volcanic ash from Puracé. No further advisories are expected.
Original VAAC bulletin: no ash plume observed as of 19 Sep 2026, 11:30 UTC
Sangay (Ecuador): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 23000 ft (7000 m), or flight level 230.
Original VAAC bulletin: ash plume to 23,000 ft (7,000 m) as of Sep 19, 18:00 UTC
Reventador (Ecuador): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 14000 ft (4300 m), or flight level 140, and moving at 15 kts in NW direction.
Original VAAC bulletin: ash plume to 14,000 ft (4,300 m) as of Sep 19, 11:50 UTC
Santiaguito Volcanic Ash Advisory: ash plume to 14,000 ft (4,300 m) as of Sep 19, 15:50 UTC
Satellite image of Santiaguito volcano on 19 Sep 2026
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 14000 ft (4300 m), or flight level 140.
Original VAAC bulletin:
FVXX22 at 16:22 UTC, 19/09/26 from KNES
VA ADVISORY
DTG: 20260919/1619Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SOURCE ELEV: 12287 FT AMSL
ADVISORY NR: 2026/556
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 19/1550Z
OBS VA CLD: SFC/FL140 N1446 W09133 - N1444 W09132
- N1436 W09137 - N1438 W09140 - N1446 W09133 MOV
SW 5KT
FCST VA CLD +6HR: 19/2200Z SFC/FL140 N1450 W09141
- N1446 W09133 - N1444 W09133 - N1445 W09141 -
N1450 W09141
FCST VA CLD +12HR: 20/0400Z SFC/FL140 N1447
W09135 - N1446 W09130 - N1440 W09129 - N1441
W09136 - N1447 W09135
FCST VA CLD +18HR: 20/1000Z NO VA EXP
RMK: VA EMS OBS IN STLT IMG UP TO APPRX 10NM FM
SUMMIT. NWP MDL GUIDANCE FCSTS LGT AND VARIABLE
MOVMT TO THE W THRU T+6, THEN GEN SE MOVMT BY
T+12. HGT BASED ON MOVMT AND NWP MDLS. ...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260919/2215Z