Kategorie: Climate Change

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 .
The full report is as follows:

FVFE01 at 10:54 UTC, 17/05/26 from RJTD
VA ADVISORY
DTG: 20260517/1054Z
VAAC: TOKYO
VOLCANO: BEZYMIANNY 300250
PSN: N5558 E16036
AREA: RUSSIA
SOURCE ELEV: 2882M AMSL
ADVISORY NR: 2026/15
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA AT 20260517/1030Z FL120 EXTD SW
OBS VA DTG: 17/1030Z
OBS VA CLD: SFC/FL120 N5600 E16036 – N5555 E16005 – N5541 E16001 MOV

SW 20KT
FCST VA CLD +6 HR: 17/1630Z SFC/FL110 N5458 E16049 – N5352 E16023 –
N5405 E15943 – N5453 E15954
FCST VA CLD +12 HR: 17/2230Z SFC/FL100 N5404 E16106 – N5218 E16137 –

N5200 E16058 – N5350 E16027
FCST VA CLD +18 HR: NO VA EXP
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20260517/1200Z=

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

FVAU01 at 06:03 UTC, 17/05/26 from ADRM
VA ADVISORY
DTG: 20260517/0603Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/555
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 17/0015Z
EST VA DTG: 17/0540Z
EST VA CLD: SFC/FL070 N0129 E12743 – N0108 E12723 – N0126
E12708 – N0134 E12738 MOV SW 05KT
FCST VA CLD +6 HR: 17/1140Z SFC/FL070 N0134 E12740 – N0129
E12744 – N0110 E12723 – N0120 E12710 – N0133 E12718
FCST VA CLD +12 HR: 17/1740Z SFC/FL070 N0128 E12740 – N0117
E12709 – N0136 E12711 – N0133 E12741
FCST VA CLD +18 HR: 17/2340Z SFC/FL070 N0132 E12739 – N0129
E12742 – N0106 E12726 – N0123 E12712
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT DISCRETE
ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260517/1203Z=

Satellite image of Bezymianny volcano on 17 May 2026

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 10 kts in SW direction.
The full report is as follows:

FVFE01 at 00:00 UTC, 17/05/26 from RJTD
VA ADVISORY
DTG: 20260517/0000Z
VAAC: TOKYO
VOLCANO: BEZYMIANNY 300250
PSN: N5558 E16036
AREA: RUSSIA
SOURCE ELEV: 2882M AMSL
ADVISORY NR: 2026/13
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA EMISSIONS CONTINUING
OBS VA DTG: 16/2320Z
OBS VA CLD: SFC/FL150 N5605 E16001 – N5604 E16040 – N5533 E16020 –
N5531 E16001 – N5544 E15952 MOV SW 10KT
FCST VA CLD +6 HR: 17/0520Z SFC/FL160 N5604 E16036 – N5457 E16117 –
N5417 E15942 – N5554 E15659 – N5539 E15905
FCST VA CLD +12 HR: 17/1120Z SFC/FL150 N5603 E16035 – N5305 E16203 –

N5238 E15841 – N5512 E15508 – N5438 E15830
FCST VA CLD +18 HR: NO VA EXP
RMK: VA HEIGHT UPDATED TO FL150 BASED ON SATELLITE DATA. SOME PART
OF
VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20260517/0600Z=

Big changes in Hawaii and the Philippines stood out today. Kilauea’s eruption paused with alerts lowered to Advisory and Aviation Yellow; Taal moved up to Alert Level 2 while Kanlaon eased to Level 1. In Indonesia, frequent blasts at Dukono and pyroclastic-flow signals at Semeru contrasted with stable Watch/Aviation Orange conditions at Great Sitkin.

United States
Great Sitkin (Watch / Aviation ORANGE) maintained its eruption. Kilauea paused overnight, with alerts lowered to Advisory / Aviation YELLOW. Kupreanof and Shishaldin remained in unrest at Advisory / Aviation YELLOW.

Indonesia
Halmahera’s Dukono registered 74 explosions with ash rising up to 3.4 km above the vent. At Semeru, 53 explosions were logged and instruments detected both pyroclastic density currents and flowage events. Merapi produced gas-and-steam plumes to 400 m and four hot rockfalls that traveled up to 1.9 km. Lewotolok recorded 13 explosions with audible rumbling, while Lewotobi stayed at Level 3 with minor degassing. Eruptive activity persisted at Ibu, and several others including Awu, Gamalama, Krakatau, Raung, Slamet, Soputan, Sorikmarapi, and Tambora showed unrest at Level 2.

Philippines
Taal is now at Alert Level 2, while Kanlaon eased to Level 1. Mayon continued its eruption at Level 3, and Bulusan remained in low-level unrest (Level 1).

Mexico
Popocatepetl continued its ongoing eruption under Yellow Alert – Phase 2. No additional observations were highlighted today.

South America
In Ecuador, Reventador and Sangay kept up their persistent eruptions. Peru’s Sabancaya remained active at Orange alert.

Other
In Costa Rica, Poas remained in eruption at Level 2 – Warning, while Rincon de la Vieja and Turrialba showed unrest at the same level. Arenal and Irazu were calm (Level 1).

Source: Smithsonian/USGS GVP Daily Volcanic Activity Report for 15 May 2026.

Activity Summary for 15 May 2026

Satellite image of Kikai volcano on 16 May 2026

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

FVFE01 at 17:38 UTC, 16/05/26 from RJTD
VA ADVISORY
DTG: 20260516/1738Z
VAAC: TOKYO
VOLCANO: SATSUMA-IOJIMA [KIKAI CALDERA] 282060
PSN: N3048 E13018
AREA: JAPAN
SOURCE ELEV: 704M AMSL
ADVISORY NR: 2026/1
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: ERUPTED AT 20260516/1707Z FL040 EXTD S
OBS VA DTG: 16/1720Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL040 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=