Volcanic activity worldwide 30 Apr 2026: Santiaguito volcano, Pacaya, Fuego, Popocatépetl, Krakatau…

Map of today's active volcanoes

Map of today’s active volcanoes

Canlaon (Central Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Kanlaon on 29 April 2026 (local). Tremor episodes were recorded 1 times. Volcanic seismicity was recorded 4 times. Sulfur dioxide (SO₂) emissions averaged 974 tonnes per day on 29 April. The alert level remained at „2 – Moderate Level of Volcanic Unrest“ (on a 0–5 level scale). Activity also included: inflationary deformation, tremor, volcanic seismicity.
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
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Taal (Luzon, Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Taal on 29 April 2026 (local). There were 3 phreatic explosions reported. Tremor episodes were recorded 5 times. Sulfur dioxide (SO₂) emissions averaged 858 tonnes per day on 29 April. The alert level remained at „1 – Low-Level Unrest“ (on a 0–5 level scale). Activity also included: inflationary deformation, tremor.
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
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Mayon (Luzon Island, Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Mayon on 29 April 2026 (local). Lava effusion continued from the summit crater. As of 29 April, 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 observed. Plume(s) rose to a maximum of 300 m (984 ft) above the vent. Volcanic seismicity was recorded 45 times. Tremor episodes were recorded 32 times. There were 307 seismically detected rockfalls. Crater glow was visible to the naked eye. Sulfur dioxide (SO₂) emissions averaged 2,087 tonnes per day on 29 April. 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: tremor, volcanic seismicity.
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
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Bulusan (Luzon Island, Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that unrest continued at Bulusan on 29 April 2026 (local). Plume(s) rose to a maximum of 50 m (164 ft) above the vent. Volcanic seismicity was recorded 127 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)
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Gamalama (Halmahera): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Gamalama on 29 April 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 2 – Alert“ (on a 4-level scale).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
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Ibu (Halmahera, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Ibu on 29 April 2026 (local). Gas and vapor plume(s) rose to a maximum of 200 m (656 ft) above the vent. There were 116 explosions reported, with plumes rising to a maximum of 500 m (1,640 ft) above the vent. There was 1 seismically detected rockfall. 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)
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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 29 April 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 2 – Alert“ (on a 4-level scale).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
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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 29 April 2026 (local). Ash and gas plume(s) rose to a maximum of 100 m (328 ft) above the vent. There were 45 seismically detected explosions reported. Faint to moderate rumbling sounds were reported. There were 3 seismically detected rockfalls. 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)
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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 29 April 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)
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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 29 April 2026 (local). Gas and vapor plume(s) rose to a maximum of 300 m (984 ft) above the vent. There were 20 hot rockfalls, traveling up to 2,000 m. There were 154 seismically detected rockfalls. 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)
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Semeru (East Java, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Semeru on 29 April 2026 (local). There were 71 explosions reported, with plumes rising to a maximum of 600 m (1,969 ft) above the vent. There were 2 seismically detected rockfalls. 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)
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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 29 April 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)
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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 29 April 2026 (local). There were 87 explosions reported, with plumes rising to a maximum of 1,200 m (3,937 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)
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Kerinci (Sumatra): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Kerinci on 29 April 2026 (local). Gas and vapor plume(s) rose to a maximum of 200 m (656 ft) above the vent. Tremor episodes were recorded 1 times. The alert level remained at „Level 2 – Alert“ (on a 4-level scale). Activity also included: tremor.
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
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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 28 April 2026 (local) and 29 April 2026 (local). Webcam footage captured consistent glow from both the north and south vents overnight, although glow from the south vent appeared notably brighter. Over the past day, seismicity at the summit increased, with 96 small earthquakes recorded (all below M2.0), primarily occurring within Halemaʻumaʻu Crater and to the S and SW of the caldera. Both the north and south vents sometimes produced flames. 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)
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Shishaldin (Aleutian Islands, Alaska): The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) reported that unrest continued at Shishaldin between 28 April 2026 (local) and 29 April 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)
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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 28 April 2026 (local) and 29 April 2026 (local). Lava continued to slowly erupt in the summit crater. Rockfalls generated by the growing lava dome were seismically recorded. 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)
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Popocatépetl (Central Mexico): The Centro Nacional de Prevención de Desastres (CENAPRED) reported that the eruption continued at Popocatépetl between 28 April 2026 (local) and 29 April 2026 (local). A total of 134 low-intensity exhalations were documented, in addition to exhalation sequences totaling 133 minutes in duration. During some of the exhalation sequences, incandescent fragments were ejected a short distance from the crater. Plumes of ash, gas, and steam accompanied the exhalations. On the morning of 29 April, The State Coordination of Civil Protection in Morelos reported minor ash fall in Tetela del Volcán (18 km SW). The alert level remained at „Yellow Alert – Phase 2“ (level 4 on a 7-level scale).
Source: Centro Nacional de Prevención de Desastres (CENAPRED)
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Santiaguito (Guatemala): The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that the eruption continued at Santa María between 28 April 2026 (local) and 29 April 2026 (local). A second episode of PDCs began around 1400 on 28 April, with PDCs continuing to extend to the base of the Caliente Dome (2,000–4,000 m). Ash from PDCs dispersed as far as 100 km to the SW and W. Increases in Real-time Seismic-Amplitude Measurement (RSAM) data were recorded during the PDC events. 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. Gas and vapor plume(s) rose to a maximum of 500 m (1,640 ft) above the vent.
Source: Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH)
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Pacaya (Guatemala): The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that unrest continued at Pacaya between 28 April 2026 (local) and 29 April 2026 (local). Activity also included: fumarolic activity.
Source: Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH)
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Fuego (Guatemala): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS LIKELY ONGOING
…30 Apr:
The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that the eruption continued at Fuego between 28 April 2026 (local) and 29 April 2026 (local). There were explosions reported, occurring at a rate of up to 13 per hour, with plumes rising to a maximum of 1,037 m (3,402 ft) above the vent. At night, incandescent material was ejected in pulses above the crater. There were incandescent rockfalls. Fine ash fall was reported in Panimaché Uno and Panimaché Dos, Finca La Asunción, 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)
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Turrialba (Costa Rica): The Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA) reported that unrest continued at Turrialba between 28 April 2026 (local) and 29 April 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)
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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 28 April 2026 (local) and 29 April 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)
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Poas (Costa Rica): The Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA) reported that the eruption continued at Poás between 28 April 2026 (local) and 29 April 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)
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Sangay (Ecuador): The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Sangay between 28 April 2026 (local) and 29 April 2026 (local). There were 378 seismically detected explosions reported. Ash and gas plume(s) rose to a maximum of 1,800 m (5,906 ft) above the vent. There were incandescent rockfalls, descending 1,400 m below the crater. The alert level remained at „2 – Yellow“ (on a 4-level scale). Activity also included: thermal anomaly(ies).
Source: Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN)
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Reventador (Ecuador): The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Reventador between 28 April 2026 (local) and 29 April 2026 (local). There were 80 seismically detected explosions reported. Ash and gas plume(s) rose to a maximum of 1,600 m (5,249 ft) above the vent. On the morning of 29 April, a pyroclastic density current (PDC), or pyroclastic flow, was observed descending the SW flank. There were incandescent rockfalls, descending 1,000 m below the crater. The alert level remained at „3 – Orange“ (on a 4-level scale). Activity also included: thermal anomaly(ies).
Source: Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN)
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Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: UNABLE TO DETECT
…30 Apr:
The Centro Vulcanológico Nacional del Instituto Geofísico del Perú (CENVUL-IGP) reported that the eruption continued at Sabancaya between 28 April 2026 (local) and 29 April 2026 (local). Ash, gas, and vapor plume(s) rose to a maximum of 2,200 m (7,218 ft) above the vent. A total of 3 earthquakes related to the movement of magma and gases were recorded. Thermal anomalies were detected 4 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)
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Dukono (Indonesia) Volcano (Indonesia) activity update Apr 29, 2026 – Continuing eruption Cite this Report

The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Dukono on 29 April 2026 (local). There were 87 explosions reported, with plumes rising to a maximum of 1,200 m (3,937 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)

Current Alerts:
Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
Aviation Alert Level: unavailable or not collected

Adapted from: Smithsonian / USGS Daily Volcanic Activity Report for Apr 29, 2026

Santiaguito Volcano Volcanic Ash Advisory: ONGOING VA EMS.

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

FVXX22 at 11:20 UTC, 30/04/26 from KNES
VA ADVISORY
DTG: 20260430/1117Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SOURCE ELEV: 12287 FT AMSL

ADVISORY NR: 2026/205

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

ERUPTION DETAILS: ONGOING VA EMS.

EST VA DTG: 30/1040Z

EST VA CLD: SFC/FL140 N1447 W09134 – N1446 W09131
– N1441 W09134 – N1444 W09137 – N1447 W09134 MOV
SW 05KT

FCST VA CLD +6HR: 30/1630Z SFC/FL140 N1446 W09134
– N1445 W09132 – N1441 W09135 – N1443 W09137 –
N1446 W09134

FCST VA CLD +12HR: 30/2230Z SFC/FL140 N1445
W09134 – N1444 W09132 – N1439 W09137 – N1442
W09140 – N1445 W09134

FCST VA CLD +18HR: 01/0430Z SFC/FL140 N1446
W09133 – N1444 W09132 – N1439 W09137 – N1442
W09140 – N1446 W09133

RMK: INTERMITTENT SMALL VA PUFFS SEEN IN WEBCAM
ENCOUNTERING INVERSION AT FL140 AND FUMIGATING
AROUND AND DRIFTING SW OF THE SUMMIT. NOTHING
SEEN IN STLT IMAGERY DUE TO SMALL AREA OF VA.
…LEE

NXT ADVISORY: WILL BE ISSUED BY 20260430/1715Z

Dukono Volcano Volcanic Ash Advisory: CONTINUOUS VA PLUME TO FL080 EXTENDING N OBS VA DTG: 30/0740Z to 8000 ft (2400 m)

Satellite image of Dukono volcano on 30 Apr 2026

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 05 kts in N direction.
The full report is as follows:

FVAU03 at 08:04 UTC, 30/04/26 from ADRM
VA ADVISORY
DTG: 20260430/0804Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/182
INFO SOURCE: HIMAWARI-9,CVGHM
ERUPTION DETAILS: CONTINUOUS VA PLUME TO FL080 EXTENDING N
OBS VA DTG: 30/0740Z
OBS VA CLD: SFC/FL080 N0138 E12754 – N0223 E12723 – N0241
E12825 – N0147 E12855 MOV N 05KT
FCST VA CLD +6 HR: 30/1340Z SFC/FL080 N0138 E12753 – N0224
E12722 – N0241 E12825 – N0146 E12855
FCST VA CLD +12 HR: 30/1940Z SFC/FL080 N0138 E12753 – N0215
E12711 – N0229 E12748 – N0223 E12835 – N0203 E12843
FCST VA CLD +18 HR: 01/0140Z SFC/FL080 N0139 E12754 – N0215
E12712 – N0229 E12748 – N0223 E12835 – N0202 E12844
RMK: CONTINUOUS VA EMISSION IDENTIFIABLE ON VIS SATELLITE
IMAGERY. LOW CONFIDENCE IN FORECAST DUE TO LIGHT AND
VARIABLE WINDS IN THE AREA. VA HEIGHT AND MOVEMENT BASED ON
SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260430/1404Z=

Semeru Volcano Volcanic Ash Advisory: ERUPTION LAST REPORTED FROM GROUND AT 30/0030Z

Satellite image of Semeru volcano on 30 Apr 2026

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

FVAU02 at 04:46 UTC, 30/04/26 from ADRM
VA ADVISORY
DTG: 20260430/0450Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/490
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: ERUPTION LAST REPORTED FROM GROUND AT
30/0030Z
EST VA DTG: 30/0430Z
EST VA CLD: SFC/FL150 S0809 E11258 – S0820 E11212 – S0749
E11217 – S0804 E11259 MOV W 05KT
FCST VA CLD +6 HR: 30/1030Z SFC/FL150 S0809 E11258 – S0821
E11212 – S0750 E11216 – S0803 E11258
FCST VA CLD +12 HR: 30/1630Z SFC/FL150 S0809 E11258 – S0819
E11214 – S0750 E11217 – S0803 E11258
FCST VA CLD +18 HR: 30/2230Z SFC/FL150 S0803 E11258 – S0810
E11259 – S0819 E11213 – S0750 E11217
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. GROUND REPORTS INDICATE DISCRETE VA EMISSIONS ARE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260430/1050Z=