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 . The full report is as follows:
FVAU02 at 13:55 UTC, 22/05/26 from ADRM VA ADVISORY DTG: 20260522/1350Z VAAC: DARWIN VOLCANO: SEMERU 263300 PSN: S0806 E11255 AREA: INDONESIA SOURCE ELEV: 3657M AMSL ADVISORY NR: 2026/580 INFO SOURCE: HIMAWARI-9, CVGHM ERUPTION DETAILS: VA TO FL150 MOV N OBS FROM GROUND AT 22/0448Z EST VA DTG: 22/1330Z EST VA CLD: SFC/FL150 S0809 E11253 – S0756 E11240 – S0738 E11238 – S0742 E11311 – S0810 E11258 MOV N 05KT FCST VA CLD +6 HR: 22/1930Z SFC/FL150 S0810 E11253 – S0754 E11238 – S0738 E11241 – S0742 E11311 – S0809 E11259 FCST VA CLD +12 HR: 23/0130Z SFC/FL150 S0809 E11254 – S0754 E11238 – S0738 E11241 – S0742 E11311 – S0810 E11259 FCST VA CLD +18 HR: 23/0730Z SFC/FL150 S0810 E11252 – S0754 E11238 – S0739 E11237 – S0741 E11305 – S0810 E11258 RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD OBSCURATION. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-9 SATELLITE IMAGERY, GROUND REPORT 22/0448Z AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260522/1950Z=
Satellite image of Central Bismarck Sea volcano on 22 May 2026
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin 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:
FVAU04 at 10:01 UTC, 22/05/26 from ADRM VA ADVISORY DTG: 20260522/1000Z VAAC: DARWIN VOLCANO: CENTRAL BISMARCK SEA 250030 PSN: S0302 E14747 AREA: PAPUA NEW GUINEA SOURCE ELEV: 1299M BLW MSL ADVISORY NR: 2026/44 INFO SOURCE: HIMAWARI-9, RVO ERUPTION DETAILS: VA TO FL120 EXTENDING NW EST VA DTG: 22/0940Z EST VA CLD: SFC/FL120 S0315 E14759 – S0252 E14702 – S0230 E14719 – S0219 E14749 – S0228 E14805 – S0311 E14805 MOV NW 05KT FCST VA CLD +6 HR: 22/1540Z SFC/FL120 S0315 E14759 – S0256 E14701 – S0228 E14722 – S0219 E14747 – S0228 E14804 – S0311 E14805 FCST VA CLD +12 HR: 22/2140Z SFC/FL120 S0315 E14758 – S0300 E14702 – S0230 E14721 – S0220 E14748 – S0228 E14805 – S0310 E14805 FCST VA CLD +18 HR: 23/0340Z SFC/FL120 S0315 E14759 – S0307 E14659 – S0230 E14719 – S0220 E14749 – S0228 E14805 – S0310 E14806 RMK: WEAK CONTINUOUS VA ERUPTION IDENTIFIABLE ON EARLIER VIS SATELLITE IMAGERY. VA HEIGHT AND MOVEMENT BASED ON RECENT SATELLITE IMAGERY AND CONSENSUS MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260522/1600Z=
Satellite image of Bezymianny volcano on 22 May 2026
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 and is moving at 25 kts in E direction. The full report is as follows:
FVFE01 at 06:00 UTC, 22/05/26 from RJTD VA ADVISORY DTG: 20260522/0600Z VAAC: TOKYO VOLCANO: BEZYMIANNY 300250 PSN: N5558 E16036 AREA: RUSSIA SOURCE ELEV: 2882M AMSL ADVISORY NR: 2026/42 INFO SOURCE: HIMAWARI-9 ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG: 22/0520Z OBS VA CLD: SFC/FL230 N5247 E15608 – N5207 E15936 – N5111 E15835 – N5205 E15559 MOV E 25KT FCST VA CLD +6 HR: 22/1120Z SFC/FL230 N5044 E16314 – N4928 E16114 – N4932 E15907 – N5122 E15743 FCST VA CLD +12 HR: 22/1720Z SFC/FL210 N5005 E16637 – N4914 E16717 –
N4744 E16316 – N4817 E15954 – N5020 E15916 – N4938 E16212 FCST VA CLD +18 HR: NO VA EXP RMK: SOME PART OF VA OBSCURED BY MET CLOUD. VA HEIGHT UPDATED TO FL230 BASED ON SATELLITE DATA. NXT ADVISORY: 20260522/1200Z=
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 . The full report is as follows:
FVAU02 at 01:44 UTC, 22/05/26 from ADRM VA ADVISORY DTG: 20260522/0150Z VAAC: DARWIN VOLCANO: SEMERU 263300 PSN: S0806 E11255 AREA: INDONESIA SOURCE ELEV: 3657M AMSL ADVISORY NR: 2026/578 INFO SOURCE: HIMAWARI-9, CVGHM ERUPTION DETAILS: VA TO FL150 OBS AT 21/1950Z MOV SE EST VA DTG: 22/0120Z EST VA CLD: SFC/FL150 S0820 E11246 – S0804 E11237 – S0751 E11239 – S0748 E11252 – S0748 E11308 – S0800 E11317 – S0818 E11315 MOV W 05KT FCST VA CLD +6 HR: 22/0720Z SFC/FL150 S0814 E11247 – S0755 E11230 – S0738 E11241 – S0741 E11314 – S0759 E11314 – S0813 E11304 FCST VA CLD +12 HR: 22/1320Z SFC/FL150 S0812 E11305 – S0818 E11254 – S0801 E11229 – S0738 E11240 – S0742 E11311 FCST VA CLD +18 HR: 22/1920Z SFC/FL150 S0814 E11248 – S0755 E11230 – S0738 E11241 – S0742 E11311 – S0813 E11304 RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD OBSCURATION. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-9 SATELLITE IMAGERY, GROUND REPORT 21/2147Z AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260522/0750Z=
Shiveluch (Kamchatka): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NOT PROVIDED
Bezymianny (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 28000 ft (8500 m) altitude or flight level 280 and is moving at 25 kts in SE direction. The full report is as follows: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG:21/1720Z to 28000 ft (8500 m)
Canlaon (Central Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Kanlaon on 20 May 2026 (local). The alert level remained at „2 – Moderate Level of Volcanic Unrest“ (on a 0–5 level scale). Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS) … [read more] … [show less] Current Alerts: Observatory alert level: „2 – Moderate Level of Volcanic Unrest“ (on a 0–5 level scale)
Taal (Luzon, Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Taal on 20 May 2026 (local). The alert level remained at „1 – Low-Level Unrest“ (on a 0–5 level scale). Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS) … [read more] … [show less] Current Alerts: Observatory alert level: „1 – Low-Level Unrest“ (on a 0–5 level scale)
Mayon (Luzon Island, Philippines): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20260521/1643Z VA CLD UNKNOWN REPORTED OBS VA DTG:21/1700Z …21 May: The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Mayon on 20 May 2026 (local). The alert level remained at „3 – Increased Tendency Towards Hazardous Eruption“ (on a 0–5 level scale). Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS) … [read more] … [show less] Current Alerts: Observatory alert level: „3 – Increased Tendency Towards Hazardous Eruption“ (on a 0–5 level scale)
Bulusan (Luzon Island, Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that unrest activity increased at Bulusan on 20 May 2026 (local). The alert level remained at „1 – Low Level of Volcanic Unrest“ (on a 0–5 level scale). Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS) … [read more] … [show less] Current Alerts: Observatory alert level: „1 – Low Level of Volcanic Unrest“ (on a 0–5 level scale)
Ibu (Halmahera, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 8000 ft (2400 m) altitude or flight level 080 and is moving at 10 kts in E direction. The full report is as follows: VA TO FL080 LAST REP AT 21/1545Z EST VA DTG:21/1740Z to 8000 ft (2400 m) …21 May: The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Ibu on 20 May 2026 (local). The alert level remained at „Level 2 – Alert“ (on a 4-level scale). Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) … [read more] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
Lewotobi (Flores): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Lewotobi (Laki-Laki) on 20 May 2026 (local). The alert level remained at „Level 3 – Standby“ (on a 4-level scale). Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) … [read more] … [show less] Current Alerts: Observatory alert level: „Level 3 – Standby“ (on a 4-level scale)
Lewotolo (Lesser Sunda Islands): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Lewotolok on 20 May 2026 (local). The alert level remained at „Level 2 – Alert“ (on a 4-level scale). Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) … [read more] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
Semeru (East Java, Indonesia): 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 05 kts in S direction. The full report is as follows: VA TO FL150 LAST REP AT 21/1053Z EST VA DTG:21/1330Z to 15000 ft (4600 m) …21 May: The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Semeru on 20 May 2026 (local). The alert level remained at „Level 3 – Standby“ (on a 4-level scale). Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) … [read more] … [show less] Current Alerts: Observatory alert level: „Level 3 – Standby“ (on a 4-level scale)
Marapi (Western Sumatra, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Marapi on 20 May 2026 (local). The alert level remained at „Level 2 – Alert“ (on a 4-level scale). Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) … [read more] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
Dukono (Halmahera): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 and is moving at 05 kts in E direction. The full report is as follows: VA TO FL100 LAST REPORTED AT 21/0921Z EST VA DTG:21/1020Z to 10000 ft (3000 m) …21 May: The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Dukono on 20 May 2026 (local). The alert level remained at „Level 2 – Alert“ (on a 4-level scale). Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) … [read more] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
Kilauea (Hawai’i): The United States Geological Survey – Hawaiian Volcano Observatory (USGS-HVO) reported that there was a pause in eruptive activity at Kilauea between 19 May 2026 (local) and 20 May 2026 (local). The alert level remained at „Advisory“ (level 2 on a 4-level scale). The aviation alert level remained at „Yellow“ (level 2 on a 4-level scale). Source: United States Geological Survey – Hawaiian Volcano Observatory (USGS-HVO) … [read more] … [show less] Current Alerts: Observatory alert level: „Advisory“ (level 2 on a 4-level scale)
Shishaldin (Aleutian Islands, Alaska): The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) reported that unrest continued at Shishaldin between 19 May 2026 (local) and 20 May 2026 (local). The alert level remained at „Advisory“ (level 2 on a 4-level scale). The aviation alert level remained at „Yellow“ (level 2 on a 4-level scale). Source: United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) … [read more] … [show less] Current Alerts: Observatory alert level: „Advisory“ (level 2 on a 4-level scale)
Great Sitkin (United States, Aleutian Islands): The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) reported that the eruption continued at Great Sitkin between 19 May 2026 (local) and 20 May 2026 (local). The alert level remained at „Watch“ (level 3 on a 4-level scale). The aviation alert level remained at „Orange“ (level 3 on a 4-level scale). Source: United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) … [read more] … [show less] Current Alerts: Observatory alert level: „Watch“ (level 3 on a 4-level scale)
Kupreanof (United States, Alaska Peninsula): The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) reported that unrest continued at Kupreanof between 19 May 2026 (local) and 20 May 2026 (local). The alert level remained at „Advisory“ (level 2 on a 4-level scale). The aviation alert level remained at „Yellow“ (level 2 on a 4-level scale). Source: United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) … [read more] … [show less] Current Alerts: Observatory alert level: „Advisory“ (level 2 on a 4-level scale)
Popocatépetl (Central Mexico): The Centro Nacional de Prevención de Desastres (CENAPRED) reported that the eruption continued at Popocatépetl between 19 May 2026 (local) and 20 May 2026 (local). The alert level remained at „Yellow Alert – Phase 2“ (level 4 on a 7-level scale). Source: Centro Nacional de Prevención de Desastres (CENAPRED) … [read more] … [show less] Current Alerts: Observatory alert level: „Yellow Alert – Phase 2“ (level 4 on a 7-level scale)
Santiaguito (Guatemala): (21 May) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 . The full report is as follows: NEW VA EMS to 14000 ft (4300 m)
Fuego (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 . The full report is as follows: VA EMS CONT to 14000 ft (4300 m)
Puracé (Colombia): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VONA RPRT RECEIVED
Sangay (Ecuador): The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Sangay between 19 May 2026 (local) and 20 May 2026 (local). The alert level remained at „2 – Yellow“ (on a 4-level scale). Source: Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) … [read more] … [show less] Current Alerts: Observatory alert level: „2 – Yellow“ (on a 4-level scale)
Reventador (Ecuador): The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Reventador between 19 May 2026 (local) and 20 May 2026 (local). The alert level remained at „3 – Orange“ (on a 4-level scale). Source: Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) … [read more] … [show less] Current Alerts: Observatory alert level: „3 – Orange“ (on a 4-level scale)
Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 and is moving at 15 kts in SE direction. The full report is as follows: SPORADIC EMISSION to 22000 ft (6700 m)
