Volcano Eruptions: Santiaguito, Fuego, Popocatépetl, Soputan, Merapi & More

vendredi 5 déc. 2025 21:00 | il y a 4 h | Auteur : several contributors

Map of today’s active volcanoes

Shiveluch (Kamchatka): 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: POSS ERUPTION OBS AT 20251205/1740Z FL120 EXTD N OBS VA DTG:05/1810Z to 12000 ft (3700 m)

Sakurajima (Kyushu, japan): Volcanic Ash Advisory center Tokyo (VAAC) issued the following report: EXPLODED AT 20251205/1713Z FL100 EXTD E OBS VA DTG:05/1720Z
…5 Dec:
The Japan Meteorological Agency (JMA) reported that the eruption continued at Aira on 4 December 2025 (local). There were explosions reported. ash plume(s) were reported. Large volcanic bombs or blocks were ejected 600-900 m away from Minamidake Crater. Large volcanic bombs or blocks were ejected 500-700 m away from Minamidake Crater. The alert level remained at “level 3 – Restriction on proximity to the volcano” (on a 5-level scale).
Source: Japan Meteorological Agency (JMA)
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Current Alerts:

Observatory alert level: “Level 3 – Restriction on proximity to the volcano” (on a 5-level scale)

Canlaon (Central Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Kanlaon on 4 December 2025 (local). The alert level remained at “2 – Moderate Level of Volcanic Unrest” (level 2 on a 0-5 level scale).
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
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Current Alerts:

Observatory alert level: “2 – Moderate Level of Volcanic Unrest” (level 2 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 4 December 2025 (local). The alert level remained at “1 – Low-Level Unrest” (on a 0-5 level scale).
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
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Indonesian Volcano Update – December 5, 2025

Here’s a summary of recent volcanic activity in Indonesia, as reported by the Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG):

ibu (Halmahera): An eruption was reported at 05/1313Z EST on December 5th. The observatory alert level remains at “Level 2 – Alert” (on a 4-level scale).

Lewotobi (Flores): The eruption at Lewotobi (Laki-Laki) continued on December 4th. The alert level is currently at “Level 4 – Caution” (on a 4-level scale).

Soputan (North Sulawesi): Unrest continues at Soputan as of December 4th, according to CVGHM/PVMBG.

Indonesian Volcano Update – December 4,2025

Here’s a summary of recent volcanic activity in Indonesia,as reported by the Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) on December 4,2025 (local time):

Semeru (East Java): The eruption continues at Semeru. The observatory alert level is currently at “Level 3 – standby” on a 4-level scale.

Marapi (western Sumatra): The eruption continues at Marapi. The alert level remains at “Level 2 – Alert” on a 4-level scale.

Dukono (Halmahera): The eruption continues at Dukono.The alert level remains at “Level 2 – Alert” on a 4-level scale.

Awu (sulawesi & Sangihe Islands): Unrest continues at Awu. The alert level remains at “Level 2 – Alert” on a 4-level scale.

Global Volcanic Activity Update – December 4, 2025

Here’s a summary of current volcanic activity around the globe, as of December 4, 2025:

Aoba (Vanuatu): The Volcanic Ash Advisory Center Wellington (VAAC) reports a continuous low-level eruption at Aoba as of December 2, 2025. Observatory alert level is at “Level 2 – Alert” (on a 4-level scale).

Kilauea (Hawai’i): The United States Geological Survey – Hawaiian Volcano Observatory (USGS-HVO) reports that the eruption continues at Kilauea. The alert level remains at “Orange” (level 3 on a 4-level scale) and “Watch” (level 3 on a 4-level scale).

Shishaldin (Aleutian Islands, Alaska): Unrest continues at Shishaldin, according to the united States Geological Survey – Alaska volcano Observatory (USGS-AVO). The alert level remains at “Yellow” (level 2 on a 4-level scale) and “Advisory” (level 2 on a 4-level scale).

Great Sitkin (United States, Aleutian Islands): The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) reports that the eruption continues at Great Sitkin, with lava erupting in the summit crater.The alert level remains at “Orange” (level 3 on a 4-level scale) and “Watch” (level 3 on a 4-level scale).

Volcanic Activity Update – December 4, 2025

Here’s a summary of recent volcanic activity reported on December 4, 2025:

Kilauea (USA): The eruption continues at Kilauea. The aviation alert level remains at “Orange” (level 3 on a 4-level scale). Observatory alert level: “Level 2 – Warning” (on a 0-4 level scale).

Poás (costa Rica): The eruption continued at Poás. 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).

Puracé (Colombia): The eruption continued at Puracé. The alert level remained at “Orange” (level 3 on a 4-level scale).

Sangay (Ecuador): The eruption continued at Sangay between December 3rd and December 4th.The alert level remained at “2 – yellow” (on a 4-level scale).

Sources:

* Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA)
* servicio Geológico Colombiano (SGC)
* Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN)

Global volcanic Activity update (December 2, 2025)

Here’s a summary of recent volcanic activity around the world, based on reports updated through December 2, 2025:

Ongoing Eruptions & Significant Activity:

* Dukono (Halmahera, Indonesia): Ash Advisory in effect (updated 21 Oct 2024).
* Erebus (Antarctica): Persistent active lava lake in summit crater (updated 8 Dec 2014).
* Erta Ale (Ethiopia): New summit depression likely linked to Hayli Gubbi eruption (updated 26 Nov 2025).
* Etna (Italy): New ash emissions reported (updated 23 Nov 2025).
* Fuego (Guatemala): Volcanic Ash Advisory in effect (updated 6 Jun 2025).
* Nyamuragira (DRCongo): Lava has overflowed the caldera rim and is advancing northwest (updated 13 Nov 2025).

Recent Activity & Advisories:

* Ibu (Halmahera, Indonesia): Volcanic Ash Advisory in effect (updated 4 Feb 2025).
* Manam (Papua New Guinea): Volcanic Ash Advisory in effect (updated 11 Sep 2025).
* Masaya (Nicaragua): sudden small eruption occurred (updated 1 Dec 2025).
* Planchón-Peteroa (Chile/Argentina): Volcanic Ash Advisory in effect (updated 18 Nov 2025).
* Reventador (Ecuador): Volcanic Ash Advisory in effect (updated 24 Apr 2025).
* Sakurajima (Japan): Volcanic Ash Advisory in effect (updated 2 Jun 2025).

monitoring & Reports:

* Ebeko (Paramushir Island): Smithsonian / USGS Weekly Volcanic Activity Report (updated 18 Jul 2024).
* Home Reef (Tonga Islands): Smithsonian / USGS Weekly Volcanic Activity Report (updated 18 Mar 2025).
* Iwo-jima (Volcano Islands): Smithsonian / USGS Weekly Volcanic Activity Report (updated 9 Sep 2025).
* Karymsky (Kamchatka): Smithsonian / USGS Weekly Volcanic Activity Report (updated 1 Sep 2024).
* Nyiragongo (DRCongo): Smithsonian / USGS Weekly Volcanic Activity Report (updated 17 Apr 2024).

Daily Reports & degassing:

* Klyuchevskoy (kamchatka): Short-lived summit eruption ended, degassing continues (updated 21 Oct 2025).
* Krasheninnikov (Kamchatka): Smithsonian Daily Volcanic Activity Report (updated 8 Aug 2025).
* Kirishima (Kyushu): Smithsonian Daily Volcanic Activity Report (updated 3 Sep 2025).
* Lewotobi (Flores): Smithsonian Daily Volcanic Activity Report (updated 17 Oct 2025).
* Lewotolo (Lesser Sunda Islands): Smithsonian Daily Volcanic Activity Report (updated 17 Jun 2025).
* Marapi (Western Sumatra, Indonesia): Smithsonian Daily volcanic Activity Report (updated 24 Jul 2025).
* merapi (Central Java, Indonesia): Smithsonian Daily Volcanic Activity Report (updated 1 Oct 2025).
* Michael (South Sandwich Islands): Activity has resumed, with a thermal anomaly in the summit crater (updated 26 Oct 2023).
* Poas (Costa Rica): Smithsonian Daily Volcanic Activity Report (updated 25 Apr 2025).
* Popocatépetl (Central Mexico): Smithsonian Daily Volcanic Activity Report (updated 19 May 2025).
* Puracé (Colombia): Smithsonian Daily Volcanic Activity Report (updated 30 nov 2025).
* Sabancaya (Peru): Smithsonian Daily Volcanic Activity Report (updated 14 Feb 2023).
* Sangay (Ecuador): Smithsonian Daily Volcanic Activity Report (updated 9 Jul 2024).
* Krakatau (Indonesia): Smithsonian Daily Volcanic Activity Report (updated 14 Dec 2023).

Global Volcanic Activity Update: December 5, 2025

Volcanic activity continues across the globe, with ongoing monitoring and alerts issued for several volcanoes. This report summarizes recent activity based on data available as of December 5, 2025, drawing from reports by the Smithsonian Institution, the U.S. Geological Survey (USGS), and Volcanic Ash Advisory Centers. Several volcanoes are exhibiting signs of unrest, while others remain under close observation. This update provides a snapshot of the current situation, emphasizing the dynamic nature of volcanic hazards.

Recent Volcanic Activity Reports

Here’s a breakdown of recent activity at monitored volcanoes, based on the latest available reports:

Indonesia

* Ruang (Sangihe Islands): The Smithsonian Daily Volcanic Activity Report, last updated on September 11, 2024, indicates ongoing activity. Further investigation is needed to determine the current status as of December 5,2025. Smithsonian Global Volcanism Program – Ruang

* Seulawah Agam (Sumatra): A Volcanic Ash Advisory was issued on November 16, 2024, suggesting ash emissions. Current activity levels require further assessment. volcanic Ash Advisory Center – Seulawah Agam (Note: Specific advisory links change frequently; check the VAAC website for the latest data).

Nicaragua

* San Cristobal: The Smithsonian / USGS Weekly Volcanic Activity Report, updated June 9, 2024, provides the moast recent publicly available information. Monitoring continues,but more recent data is needed to assess current activity.Smithsonian Global Volcanism Program – San cristobal

* Telica: The Smithsonian / USGS Weekly Volcanic Activity Report was last updated on January 15, 2025. Further updates are required to determine the current state of activity. smithsonian Global Volcanism Program – Telica

United States (Alaska)

* Shishaldin (Aleutian Islands): the Smithsonian Daily Volcanic Activity Report, last updated August 26, 2025, is the most recent available information. Continued monitoring is crucial given the volcano’s potential for explosive eruptions. Smithsonian Global Volcanism Program – Shishaldin

Philippines

* Taal (Luzon): The Smithsonian Daily Volcanic activity Report,updated October 26,2025,provides the latest information. Taal Volcano remains a significant concern due to its proximity to densely populated areas. Smithsonian Global Volcanism Program – Taal

South America

* Tinguiririca (Central chile and Argentina): A Volcanic Ash Advisory was issued on October 10, 2025, indicating potential ashfall. monitoring for continued emissions is ongoing. volcanic Ash Advisory Center – Tinguiririca (Note: Specific advisory links change frequently; check the VAAC website for the latest information).
* Ubinas (Peru): The Smithsonian / USGS Weekly Volcanic Activity Report, last updated November 19, 2023, is the most recent publicly available information. Current activity levels require further assessment. Smithsonian Global Volcanism Program – Ubinas

* Villarrica (Central Chile): The smithsonian / USGS Weekly Volcanic Activity Report was last updated December 28, 2024. Continued monitoring is essential due to Villarrica’s frequent eruptions. Smithsonian Global Volcanism Program – Villarrica

Pacific Region

* Tofua (Tonga Islands): The Smithsonian / USGS Weekly Volcanic Activity Report, updated April 28, 2024, provides the latest available information. Further updates are needed to assess current activity. Smithsonian Global Volcanism Program – Tofua

* Ulawun (new Britain, Papua New Guinea): The Smithsonian / USGS Weekly Volcanic Activity Report, last updated November 30, 2023, is the most recent publicly available information. Current activity levels require further assessment. [Smithsonian Global Volcanism Program – Ulawun](https://volcano.si.edu/