Volcanic activity worldwide 15 May 2026: Santiaguito volcano, Fuego, Popocatépetl, Krakatau, Soputa...

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Map of today's active volcanoesShiveluch (Kamchatka): (15 May) The extrusive eruption at the volcano persists.The recently formed lava dome continues to grow with magma rising into it. In addition, a visible glow suggests the ongoing formation of the new dome on the northwestern side of Molodoy Shiveluch. ... [read more] ... [show less] No significant ash emissions have been observed.The alert level for the volcano is Orange.Bezymianny (Kamchatka): (15 May) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 13000 ft (4000 m) altitude or flight level 130 and is moving at 15 kts in NE direction.The full report is as follows: VA EMISSIONS CONTINUING OBS VA DTG:14/2320Z to 13000 ft (4000 m)Canlaon (Central Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Kanlaon on 14 May 2026 (local). Plume(s) were reported. Volcanic seismicity was recorded 17 times. Ground deformation monitoring indicated that a gradual rate of inflation has been ongoing since 2022. Sulfur dioxide (SO₂) emissions averaged 143 tonnes per day on 14 May. The alert level remained at "2 - Moderate Level of Volcanic Unrest" (on a 0–5 level scale). Activity also included: volcanic seismicity.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): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20260515/1616Z FL020 REPORTED OBS VA DTG:15/1630Z...15 May:The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Taal on 14 May 2026 (local). Plume(s) were reported. Volcanic seismicity was recorded 9 times. Sulfur dioxide (SO₂) emissions averaged 1,633 tonnes per day on 14 May. The alert level remained at "1 - Low-Level Unrest" (on a 0–5 level scale). Activity also included: inflationary deformation, volcanic seismicity.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 20260515/1129Z VA CLD UNKNOWN REPORTED OBS VA DTG:15/1130Z...15 May:The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Mayon on 14 May 2026 (local). Lava effusion continued from the summit crater. As of 14 May, lava flow lengths remained at 3.8 km in the Basud Gully (E flank), 3.2 km in the Bonga Gully (SE flank), and 1.6 km in the Mi-isi Gully (S flank). Minor episodic Strombolian activity was observed. Short-lived lava fountaining was recorded. Plume(s) rose to a maximum of 750 m (2,461 ft) above the vent. Volcanic seismicity was recorded 71 times. Tremor episodes were recorded 39 times. There were 421 seismically detected rockfalls. Seismicity related to pyroclastic density currents was recorded 6 times. Crater glow was visible to the naked eye. Sulfur dioxide (SO₂) emissions averaged 889 tonnes per day on 14 May. Ground deformation indicated short-term deflation across the volcanic edifice, with shorter-term inflation localized on the NE flank. The alert level remained at "3 - Increased Tendency Towards Hazardous Eruption" (on a 0–5 level scale). Activity also included: seismically detected pyroclastic density current(s) (PDCs), tremor, volcanic seismicity.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 continued at Bulusan on 14 May 2026 (local). Plume(s) rose to a maximum of 120 m (394 ft) above the vent. Volcanic seismicity was recorded 9 times. The alert level remained at "1 - Low Level of Volcanic Unrest" (on a 0–5 level scale). Activity also included: inflationary deformation, volcanic seismicity.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)Central Bismarck Sea (Admiralty Islands): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 10 kts in NW direction.The full report is as follows: VA EMISSION TO FL140 OBS AT 15/1930Z MOV NW to 14000 ft (4300 m)Telong (northern Sumatra, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Telong, Bur ni on 14 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)Karangetang (Siau Island, Sangihe Islands, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Karangetang on 14 May 2026 (local). Gas and vapor plume(s) rose to a maximum of 400 m (1,312 ft) above the vent. Gas emission seismicity was recorded 4 times. Webcam footage showed flames reaching 10–20 m above both the North and South craters. The alert level remained at "Level 2 - Alert" (on a 4-level scale). Activity also included: audible sounds (e.g., booms, rumbling), gas emission seismicity.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)Raung (East Java): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Raung on 14 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)Gamalama (Halmahera): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Gamalama on 14 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)Slamet (Central Java, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Slamet on 14 May 2026 (local). Gas and vapor plume(s) rose to a maximum of 50 m (164 ft) above the vent. 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)Ibu (Halmahera, Indonesia): 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 .The full report is as follows: VA TO FL070 REPORTED AT 15/1630Z MOV W EST VA DTG:15/2000Z to 7000 ft (2100 m)Tangkubanparahu (West Java): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) issued a report for Tangkuban Parahu on 14 May 2026 (local). The alert level remained at "Level 1 - Normal" (on a 4-level scale). Activity also included: fumarolic activity.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 1 - Normal" (on a 4-level scale)Sangeang Api (Flores Sea, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Sangeang Api on 14 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)Tambora (Sumbawa): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Tambora on 14 May 2026 (local). The seismic station was offline from 1552 to 1616. The seismic station was offline from 0001 to 0700. 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 14 May 2026 (local). Gas and vapor plume(s) rose to a maximum of 100 m (328 ft) above the vent. Gas emission seismicity was recorded 1 times. The alert level remained at "Level 3 - Standby" (on a 4-level scale). Activity also included: gas emission seismicity.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)Soputan (North Sulawesi, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Soputan on 14 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)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 14 May 2026 (local). Gas and vapor plume(s) rose to a maximum of 100 m (328 ft) above the vent. There were 3 seismically detected explosions reported. 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)Sorikmarapi (Sumatra): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Sorikmarapi on 14 May 2026 (local). Gas and vapor plume(s) rose to a maximum of 25 m (82 ft) above the vent. 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)Krakatau (Sunda Strait, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Krakatau on 14 May 2026 (local). Gas plume(s) rose to a maximum of 5 m (16 ft) above the vent. 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)Merapi (Central Java, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Merapi on 14 May 2026 (local). Gas and vapor plume(s) rose to a maximum of 150 m (492 ft) above the vent. Seismicity related to pyroclastic density currents was recorded 1 times. There were 5 hot rockfalls, traveling up to 2,000 m. There were 138 seismically detected rockfalls. The alert level remained at "Level 3 - Standby" (on a 4-level scale). Activity also included: seismically detected pyroclastic density current(s) (PDCs).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)Semeru (East Java, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA TO FL 150 LAST REPORTED AT AT 15/0457Z EST VA DTG:15/1030Z...15 May:The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Semeru on 14 May 2026 (local). There were 53 explosions reported, with plumes rising to a maximum of 600 m (1,969 ft) above the vent. Seismically detected flowage events were recorded 1 times. There were 2 seismically detected rockfalls. The alert level remained at "Level 3 - Standby" (on a 4-level scale). Activity also included: seismically detected flowage event(s).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)Ijen (East Java, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) issued a report for Ijen on 14 May 2026 (local). Gas and vapor plume(s) rose to a maximum of 100 m (328 ft) above the vent. The alert level remained at "Level 1 - Normal" (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 1 - Normal" (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 14 May 2026 (local). Ash plume(s) rose to a maximum of 100 m (328 ft) above the vent. Gas emission seismicity was recorded 2 times. The alert level remained at "Level 2 - Alert" (on a 4-level scale). Activity also included: gas emission seismicity.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): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Dukono on 14 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)Awu (Sulawesi & Sangihe Islands): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Awu on 14 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)Kerinci (Sumatra): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Kerinci on 14 May 2026 (local). Gas and vapor plume(s) rose to a maximum of 50 m (164 ft) above the vent. 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)Lokon-Empung (North Sulawesi, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Lokon-Empung on 14 May 2026 (local). Gas and vapor plume(s) rose to a maximum of 25 m (82 ft) above the vent. 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 the eruption continued at Kilauea between 13 May 2026 (local) and 14 May 2026 (local). The alert level was raised to "Watch" (level 3 on a 4-level scale) on 13 May 2026 at 0845 by USGS due to increased activity. The aviation alert level was raised to "Orange" (level 3 on a 4-level scale) on 13 May 2026 at 0845 by USGS.Source: United States Geological Survey - Hawaiian Volcano Observatory (USGS-HVO) ... [read more] ... [show less] Current Alerts:Observatory alert level: "Watch" (level 3 on a 4-level scale)...15 May:The 47th lava fountaining episode 47 of the ongoing Halemaʻumaʻu eruption at the summit of Kīlauea began a few hours ago, at 3:27 p.m. HST local time on May 14. Fountaining activity is currently focused at the north vent, though the south vent is continuing to cyclically overflow.Ground-level sensors near the eruptive vents indicate that winds are blowing from the northeast direction, which suggests that volcanic gas emissions and volcanic material may be distributed to the southwest direction from Halemaʻumaʻu.Shishaldin (Aleutian Islands, Alaska): The Observatorio Argentino de Vigilancia Volcánica (OAVV) reported that unrest continued at Shishaldin between 13 May 2026 (local) and 14 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: Observatorio Argentino de Vigilancia Volcánica (OAVV) ... [read more] ... [show less] Current Alerts:Observatory alert level: "Advisory" (level 2 on a 4-level scale)Great Sitkin (United States, Aleutian Islands): The Observatorio Argentino de Vigilancia Volcánica (OAVV) reported that the eruption continued at Great Sitkin between 13 May 2026 (local) and 14 May 2026 (local). Lava continued to slowly erupt in the summit crater. There were seismically detected rockfalls. 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: Observatorio Argentino de Vigilancia Volcánica (OAVV) ... [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 (USGS) reported that unrest continued at Kupreanof between 13 May 2026 (local) and 14 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). Activity also included: SO2 degassing.Source: United States Geological Survey (USGS) ... [read more] ... [show less] Current Alerts:Observatory alert level: "Advisory" (level 2 on a 4-level scale)Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .The full report is as follows: VA EMS OBSD to 20000 ft (6100 m)...15 May:The Centro Nacional de Prevención de Desastres (CENAPRED) reported that the eruption continued at Popocatépetl between 13 May 2026 (local) and 14 May 2026 (local). Ash, gas, and vapor plume(s) were reported. 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): The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that the eruption continued at Santa María between 13 May 2026 (local) and 14 May 2026 (local). There were explosions reported, occurring at a rate of up to 3 per hour with plumes rising to a maximum of 3,400 m (11,155 ft) above sea level. There were incandescent rockfalls. Gas and vapor plume(s) rose to a maximum of 400 m (1,312 ft) above the vent.Source: Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) ... [read more] ... [show less] Current Alerts:Observatory alert level: unavailable or not collectedFuego (Guatemala): Mild explosive activity continues from the volcano. The Volcanic Ash Advisory Center (VAAC) Washington reported intermittent emissions of volcanic ash plumes.The full report is as follows: sporadic emissions of volcanic ash...15 May:The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that the eruption continued at Fuego between 13 May 2026 (local) and 14 May 2026 (local). There were explosions reported, occurring at a rate of up to 12 per hour, with plumes rising to a maximum of 1,037 m (3,402 ft) above the vent. Incandescent material was ejected in pulses above the vent. There were incandescent rockfalls. Fine ash fall was reported in Panimaché Uno and Panimaché Dos, Yepocapa, Morelia, and El Porvenir. Gas and vapor plume(s) rose to a maximum of 537 m (1,762 ft) above the vent. Activity also included: audible sounds (e.g., booms, rumbling), shockwave.Source: Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) ... [read more] ... [show less] Current Alerts:Observatory alert level: unavailable or not collectedTurrialba (Costa Rica): The Observatorio Vulcanológico y Sismológico de Costa Rica - Universidad Nacional (OVSICORI-UNA) reported that unrest continued at Turrialba between 13 May 2026 (local) and 14 May 2026 (local). The alert level remained at "Level 2 - Warning" (on a 0–4 level scale). The aviation alert level remained at "Yellow" (level 2 on a 4-level scale).Source: Observatorio Vulcanológico y Sismológico de Costa Rica - Universidad Nacional (OVSICORI-UNA) ... [read more] ... [show less] Current Alerts:Observatory alert level: "Level 2 - Warning" (on a 0–4 level scale)Rincón de la Vieja (Costa Rica): The Observatorio Vulcanológico y Sismológico de Costa Rica - Universidad Nacional (OVSICORI-UNA) reported that unrest continued at Rincón de la Vieja between 13 May 2026 (local) and 14 May 2026 (local). The alert level remained at "Level 2 - Warning" (on a 0–4 level scale). The aviation alert level remained at "Yellow" (level 2 on a 4-level scale).Source: Observatorio Vulcanológico y Sismológico de Costa Rica - Universidad Nacional (OVSICORI-UNA) ... [read more] ... [show less] Current Alerts:Observatory alert level: "Level 2 - Warning" (on a 0–4 level scale)Poas (Costa Rica): The Observatorio Vulcanológico y Sismológico de Costa Rica - Universidad Nacional (OVSICORI-UNA) reported that the eruption continued at Poás between 13 May 2026 (local) and 14 May 2026 (local). The alert level remained at "Level 2 - Warning" (on a 0–4 level scale). The aviation alert level remained at "Yellow" (level 2 on a 4-level scale).Source: Observatorio Vulcanológico y Sismológico de Costa Rica - Universidad Nacional (OVSICORI-UNA) ... [read more] ... [show less] Current Alerts:Observatory alert level: "Level 2 - Warning" (on a 0–4 level scale)Puracé (Colombia): (14 May) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: POSS VA EMSSangay (Ecuador): (15 May) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: PSBL VA EMSReventador (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14500 ft (4400 m) altitude or flight level 145 .The full report is as follows: ONGOING VA EMS. to 14500 ft (4400 m)Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 .The full report is as follows: PUFF EMISSION AT 15/1820Z to 21000 ft (6400 m)...15 May:The Centro Vulcanológico Nacional del Instituto Geofísico del Perú (CENVUL-IGP) reported that the eruption continued at Sabancaya between 13 May 2026 (local) and 14 May 2026 (local). Ash, gas, and vapor plume(s) rose to a maximum of 2,000 m (6,562 ft) above the vent. A total of 10 earthquakes related to the movement of magma and gases were recorded. Ground deformation data indicated minor inflation centered on the N sector of the volcano complex (nevado Hualca Hualca, located approximately 7 km N). Thermal anomalies were detected 3 times. The alert level remained at "Orange" (level 3 on a 4-level scale). Activity also included: thermal anomaly(ies).Source: Centro Vulcanológico Nacional del Instituto Geofísico del Perú (CENVUL-IGP) ... [read more] ... [show less] Current Alerts:Observatory alert level: "Orange" (level 3 on a 4-level scale)Volcano Activity Summary for 15 May 2026: