Kategorie: Climate Change

Satellite image of Lewotobi volcano on 28 Aug 2026

Intermittent eruptions were reported at Lewotobi, with ash movement toward the southwest at 15 knots. Ash height and forecasts are based on ground reports and model guidance, as satellite imagery could not identify ash due to clouds and darkness.
Original VAAC bulletin:

FVAU04 at 19:40 UTC, 28/08/26 from ADRM
VA ADVISORY
DTG: 20260828/1945Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/435
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 28/1621Z
EST VA DTG: 28/1930Z
EST VA CLD: SFC/FL090 S0834 E12248 - S0840 E12236 - S0836
 E12231 - S0832 E12235 - S0831 E12247 MOV SW 15KT
FCST VA CLD +6 HR: 29/0130Z SFC/FL090 S0831 E12248 - S0835
 E12250 - S0852 E12222 - S0846 E12210 - S0834 E12212
FCST VA CLD +12 HR: 29/0730Z SFC/FL090 S0834 E12250 - S0901
 E12222 - S0847 E12208 - S0832 E12217 - S0829 E12248
FCST VA CLD +18 HR: 29/1330Z SFC/FL090 S0830 E12248 - S0835
 E12250 - S0851 E12219 - S0843 E12208 - S0832 E12217
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY DUE TO
 MET CLOUD AND DARKNESS. GROUND REPORTS SUGGEST INTERMITTENT
 ERUPTIONS ARE ONGOING. VA HEIGHT AND FORECAST BASED ON
 GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260829/0145Z=

Satellite image of Semeru volcano on 28 Aug 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150, and moving at 05 kts in SE direction.
Original VAAC bulletin:

FVAU02 at 15:55 UTC, 28/08/26 from ADRM
VA ADVISORY
DTG: 20260828/1600Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/983
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA ERUPTION TO FL150 OBS AT 28/1540Z
OBS VA DTG: 28/1540Z
OBS VA CLD: SFC/FL150 S0803 E11255 - S0818 E11317 - S0831
 E11317 - S0830 E11254 - S0806 E11252 MOV SE 05KT
FCST VA CLD +6 HR: 28/2140Z SFC/FL150 S0802 E11250 - S0801
 E11306 - S0833 E11319 - S0849 E11302 - S0845 E11242
FCST VA CLD +12 HR: 29/0340Z SFC/FL150 S0805 E11251 - S0801
 E11313 - S0833 E11321 - S0849 E11308 - S0846 E11250
FCST VA CLD +18 HR: 29/0940Z SFC/FL150 S0803 E11253 - S0801
 E11315 - S0825 E11323 - S0846 E11304 - S0835 E11248 - S0806
 E11250
RMK: VA EMISSIONS IDENTIFIABLE ON RECENT SATELLITE IMAGERY
 MOVING SE. GROUND REPORTS INDICATE ONGOING ERUPTIONS. VA
 HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
 REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260828/2200Z=

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150, and moving at 10 kts in W direction.
Original VAAC bulletin:

FVXX20 at 10:45 UTC, 28/08/26 from KNES
VA ADVISORY
DTG: 20260828/1042Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SOURCE ELEV: 12346 FT AMSL

ADVISORY NR: 2026/1009

INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT. 

ERUPTION DETAILS: CONT VA EMS OBS

OBS VA DTG: 28/1000Z

OBS VA CLD: SFC/FL150 N1449 W09207 - N1428 W09052
- N1431 W09207 - N1449 W09207 MOV W 10KT 

FCST VA CLD +6HR: 28/1600Z SFC/FL150 N1448 W09208
- N1428 W09052 - N1428 W09207 - N1448 W09208 

FCST VA CLD +12HR: 28/2200Z SFC/FL150 N1450
W09208 - N1428 W09052 - N1430 W09208 - N1450
W09208 

FCST VA CLD +18HR: 29/0400Z SFC/FL150 N1449
W09207 - N1428 W09052 - N1428 W09208 - N1449
W09207 

RMK: CONT VA EMS OSB MOV W IN STLT IMAGERY. VA
FCST TO CONT W MOV THRU T+18HRS BEFORE DISP. VO
ACT MODERATE TO HIGH. ...FISHER

NXT ADVISORY: WILL BE ISSUED BY 20260828/1645Z

Satellite image of Klyuchevskoy volcano on 28 Aug 2026

As of 07:00 UTC on 28 August 2026, volcanic ash was reported for Klyuchevskoy, but no ash cloud was identifiable in satellite data. No further advisories are planned unless new ash is detected.
Original VAAC bulletin:

FVFE01 at 07:14 UTC, 28/08/26 from RJTD
VA ADVISORY
DTG: 20260828/0713Z
VAAC: TOKYO
VOLCANO: KLYUCHEVSKOY 300260
PSN: N5603 E16039
AREA: RUSSIA
SOURCE ELEV: 4754M AMSL
ADVISORY NR: 2026/47
INFO SOURCE: UHPP HIMAWARI-9
ERUPTION DETAILS: VA AT 20260828/0702Z FL240 EXTD E MOV 5KT REPORTED
OBS VA DTG: 28/0700Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL240 260/33KT

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=

The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin.
Original VAAC bulletin:

FVXX23 at 01:41 UTC, 28/08/26 from KNES
VA ADVISORY
DTG: 20260828/0139Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2026/454

INFO SOURCE: GOES-19. VONA. NWP MODELS. SERVICIO
GEOLOGICO COLOMBIANO. 

ERUPTION DETAILS: PSBL CONTG OCNL VA EMS.

EST VA DTG: 28/0110Z

EST VA CLD: SFC/FL180 N0227 W07636 - N0220 W07623
- N0219 W07623 - N0220 W07638 - N0227 W07636 MOV
NW 25KT 

FCST VA CLD +6HR: 28/0700Z SFC/FL180 N0228 W07637
- N0220 W07623 - N0219 W07623 - N0219 W07638 -
N0228 W07637 

FCST VA CLD +12HR: 28/1300Z SFC/FL180 N0229
W07637 - N0220 W07623 - N0219 W07623 - N0219
W07638 - N0229 W07637 

FCST VA CLD +18HR: 28/1900Z NO VA EXP

RMK: VA NOT OBS IN SAT WITH INTMT MET CLD OBSCN
OF SUMMIT AREA. RECENT VONA RPTD PSBL VA EM. OBS
VA AREA ESTD FM NWP MDLS AND PREV VAA. LTLCG FCST
IN FL MVMT THRU T+12 HRS. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20260828/0745Z