Volcano Eruptions: Santiaguillo, Popocatépetl, Semeru & More

November 9, 2025 Ahmed Hassan - World News Editor World

Here’s a breakdown of the volcanic activity reports, organized by country and with the⁢ most recent updates⁢ listed first.I’ve also noted the type ‍of⁣ report (Smithsonian, USGS, ash Advisory, etc.).

United states

* ⁤ Grate Sitkin (Aleutian ​Islands,‌ Alaska): Smithsonian Daily Volcanic Activity Report (9 Sep 2023)
* Katmai (Alaska Peninsula): Volcanic Ash Advisory (12 Nov 2023)
* ⁤ Iliamna (Cook inlet, ​Alaska): Volcanic Ash Advisory (23 ‌jun 2025)

indonesia

* Karangetang (Siau Island, Sangihe Islands): Smithsonian ​Daily Volcanic Activity Report (9 ​Aug 2024)
* Raung (East java): Smithsonian Daily Volcanic Activity Report (24 Dec 2024)

japan

* Nishino-shima (Volcano islands): ‌New aerial images (6 Nov‍ 2024)

Philippines

* Mayon (Luzon Island): Smithsonian Daily‌ Volcanic Activity Report ⁢(4 Feb 2024)

Colombia

* nevado del Ruiz: Volcanic Ash Advisory (4 Jan 2024)
* ⁢ Puracé: Smithsonian ⁢/ USGS Weekly Volcanic Activity Report (22 jan‍ 2025)

Chile

* Laguna del Maule (Central Chile): Smithsonian / USGS Weekly⁢ Volcanic Activity Report (13 Oct ⁢2023)
* Puyehue-Cordón Caulle ​(central Chile and Argentina): Volcanic Ash Advisory (29 Apr 2024)

Costa Rica

* Rincon de la Vieja: Smithsonian Daily Volcanic Activity Report⁣ (29 Oct 2023)

Tanzania

* Ol Doinyo lengai: Effusion of natrocarbonatite lava (27 Aug 2021)

Papua New Guinea

* ⁤ Lancing (New⁢ Britain): Smithsonian⁢ / USGS Weekly Volcanic Activity Report (5 Nov 2023)

France (Southwestern Pacific Ocean)

* Matthew Island: Smithsonian / USGS Weekly Volcanic Activity Report (17 Jul 2024)

Ryukyu Islands

* ‍ Kikai: Smithsonian Daily Volcanic Activity Report (31 Oct 2020)

Andreanof Islands, Aleutian ​Islands

* Korovin: Volcanic Ash Advisory (4 Dec​ 2020)

Sumatra

* Kerinci: smithsonian Daily Volcanic Activity Report (17 Oct 2023)

Significant Notes:

* ⁣ Dates: ⁣ Pay attention to the dates. Some reports are very recent (2025), while⁣ others are quite old (2020).
* Report Type: The type of report indicates the level of monitoring and the type of activity being reported. “Ash Advisory” suggests potential for ash plumes affecting aviation. “Smithsonian” and‌ “USGS” reports are generally more‌ comprehensive ‍overviews.
*‌ Location specificity: Some locations are very specific (e.g., a single island), while others are broader regions (e.g., Alaska Peninsula).