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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 and is moving at 15 kts in SE direction.
The full report is as follows:

FVAU02 at 19:23 UTC, 28/07/26 from ADRM
VA ADVISORY
DTG: 20260728/1930Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/858
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 LAST REP AT 28/1355Z
EST VA DTG: 28/1900Z
EST VA CLD: SFC/FL150 S0806 E11251 – S0802 E11256 – S0821
E11316 – S0821 E11316 – S0830 E11302 MOV SE 15KT
FCST VA CLD +6 HR: 29/0100Z SFC/FL150 S0806 E11251 – S0802
E11256 – S0817 E11318 – S0829 E11305
FCST VA CLD +12 HR: 29/0700Z SFC/FL150 S0806 E11251 – S0802
E11256 – S0817 E11318 – S0829 E11305
FCST VA CLD +18 HR: 29/1300Z SFC/FL150 S0807 E11252 – S0802
E11256 – S0814 E11320 – S0826 E11310
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. MULTIPLE GROUND REPORTS INDICATE INTERMITTENT VA
ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON
SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260729/0130Z=

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 6500 ft (2000 m) altitude or flight level 065 and is moving at 20 kts in SW direction.
The full report is as follows:

FVXX24 at 15:25 UTC, 28/07/26 from KNES
VA ADVISORY
DTG: 20260728/1523Z

VAAC: WASHINGTON

VOLCANO: TELICA 344040
PSN: N1236 W08650

AREA: NICARAGUA

SOURCE ELEV: 3399 FT AMSL

ADVISORY NR: 2026/013

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

ERUPTION DETAILS: VA EMS OBS

OBS VA DTG: 28/1500Z

OBS VA CLD: SFC/FL065 N1237 W08650 – N1235 W08647
– N1229 W08653 – N1232 W08659 – N1235 W08659 –
N1237 W08650 MOV SW 20KT

FCST VA CLD +6HR: 28/2100Z SFC/FL065 N1237 W08650
– N1234 W08647 – N1229 W08700 – N1234 W08705 –
N1237 W08650

FCST VA CLD +12HR: 29/0300Z NO VA EXP

FCST VA CLD +18HR: 29/0900Z NO VA EXP

RMK: VA EMS OBS IN STLT IMG UP TO APPRX 15NM FM
SUMMIT. VA EMS SEEN IN WEBCAM. NWP MDL GUIDANCE
FCSTS GEN WSW MOVMT THRU T+6. HGT BASED ON
WEBCAM, MOVMT, AND NWP MDLS. …MONAGHAN

NXT ADVISORY: WILL BE ISSUED BY 20260728/2130Z

Satellite image of Mayon volcano on 28 Jul 2026

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

FVFE01 at 09:50 UTC, 28/07/26 from RJTD
VA ADVISORY
DTG: 20260728/0950Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/775
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260728/0936Z VA CLD UNKNOWN REPORTED
OBS VA DTG: 28/0930Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 080/10KT

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=