Reventador Volcano Volcanic Ash Advisory: VA MOVG NW to 15000 ft (4600 m)

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 08:28 UTC, 13/04/26 from KNES
VA ADVISORY
DTG: 20260413/0826Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2026/358

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

ERUPTION DETAILS: VA MOVG NW

OBS VA DTG: 13/0750Z

OBS VA CLD: SFC/FL150 N0003 W07744 – S0005 W07739
– S0005 W07740 – N0001 W07747 – N0003 W07744 MOV
NW 10KT

FCST VA CLD +6HR: 13/1400Z SFC/FL150 N0010 W07748
– S0005 W07739 – S0005 W07740 – N0003 W07754 –
N0010 W07748

FCST VA CLD +12HR: 13/2000Z SFC/FL150 N0005
W07740 – S0005 W07738 – S0005 W07740 – N0004
W07746 – N0005 W07740

FCST VA CLD +18HR: 14/0200Z SFC/FL150 N0006
W07740 – S0005 W07738 – S0005 W07740 – N0004
W07746 – N0006 W07740

RMK: RCNT VA EMS OBS IN STLT IMAGERY MOVG APPRX
10NM NW FM SUMMIT. VONA RPRT RCVD. VA FCST THRU
T+18 HRS BASED ON NWP MDL GUIDANCE. …COVERDALE

NXT ADVISORY: WILL BE ISSUED BY 20260413/1430Z

Lewotolo Volcano Volcanic Ash Advisory: VA TO FL070 REP AT 13/0342Z OBS VA DTG: 13/0400Z to 7000 ft (2100 m)

Satellite image of Lewotolo volcano on 13 Apr 2026

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 and is moving at 10 kts in NW direction.
The full report is as follows:

FVAU05 at 04:20 UTC, 13/04/26 from ADRM
VA ADVISORY
DTG: 20260413/0419Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/74
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 REP AT 13/0342Z
OBS VA DTG: 13/0400Z
OBS VA CLD: SFC/FL070 S0819 E12330 – S0817 E12315 – S0806
E12318 – S0804 E12328 – S0815 E12333 MOV NW 10KT
FCST VA CLD +6 HR: 13/1000Z NO VA EXP
FCST VA CLD +12 HR: 13/1600Z NO VA EXP
FCST VA CLD +18 HR: 13/2200Z NO VA EXP
RMK: WEAK, DISCRETE VA EMISSION IDENTIFIABLE ON SATELLITE
IMAGERY. GROUND REPORT INDICATES DISCRETE ERUPTION WITH VA.
VA EXPECTED TO DISSPIATE WITHIN 3-6 HOURS. VA HEIGHT AND
MOVEMENT BASED ON GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260413/1019Z=

Mayon Volcano Volcanic Ash Advisory: ERUPTION AT 20260413/0007Z FL090 EXTD W REPORTED OBS VA DTG: 13/0010Z

Satellite image of Mayon volcano on 13 Apr 2026

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

FVFE01 at 00:29 UTC, 13/04/26 from RJTD
VA ADVISORY
DTG: 20260413/0029Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/477
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260413/0007Z FL090 EXTD W REPORTED
OBS VA DTG: 13/0010Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 050/10KT

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=

Shiveluch Volcano Volcanic Ash Advisory: ERUPTION AT 20260412/1826Z FL210 REPORTED OBS VA DTG: 12/2030Z

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

FVFE01 at 20:46 UTC, 12/04/26 from RJTD
VA ADVISORY
DTG: 20260412/2046Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/122
INFO SOURCE: KBGS HIMAWARI-9
ERUPTION DETAILS: ERUPTION AT 20260412/1826Z FL210 REPORTED
OBS VA DTG: 12/2030Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL210 150/40KT

FCST VA CLD +6 HR: NOT AVBL
FCST VA CLD +12 HR: NOT AVBL
FCST VA CLD +18 HR: NOT AVBL
RMK: VA HEIGHT ESTIMATED FROM SEISMIC DATA. WE WILL ISSUE FURTHER
ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY.
NXT ADVISORY: NO FURTHER ADVISORIES=

Sakurajima volcano (Kyushu, Japan): powerful vulcanian eruption

The eruption column from Sakurajima volcano on 11 April (image: @WeatherMonitors/x.com)

The explosive eruption at the volcano continues.

A vigorous vulcanian-sized eruption generated a copious ash plume rising to an altitude of 11,200 ft (3,400 m) that propagated to the south-southeast.

The warning bulletin states that ballistic impacts of volcanic bombs and pyroclastic flows could affect an area of about 2 km distance from the main crater.