Map of today's active volcanoesShiveluch (Kamchatka): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NOT PROVIDEDBezymianny (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)Sakurajima (Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20260521/2019Z FL090 EXTD E OBS VA DTG:21/2020ZCanlaon (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 RECEIVEDSangay (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)