Volcanoes of Indonesia & Central America: A Guide
here’s a breakdown of the volcanic activity reports, categorized by report type and sorted alphabetically by volcano name within each category:
Volcanic Ash Advisory
Hekla (Iceland) – updated 16 Nov 2021
Nevado del Ruiz (Colombia) – updated 4 Jan 2024
Puyehue-Cordón Caulle (Central Chile and Argentina) – updated (incomplete date)
Korovin (Andreanof Islands, Aleutian Islands) – updated 4 Dec 2020
Smithsonian Daily Volcanic Activity Report
Karangetang (siau Island, Sangihe Islands, Indonesia) – updated 9 Aug 2024
Kerinci (Sumatra) – updated 17 Oct 2023
Kikai (Ryukyu Islands) – updated 31 Oct 2020
Koloa (Hawai’i) – updated 23 Aug 2025
Mayon (Luzon Island, Philippines) – updated 4 Feb 2024
Smithsonian / USGS Weekly Volcanic Activity Report
Katmai (Alaska Peninsula, USA) – updated 12 Nov 2023
Laguna del Maule (central chile) – updated 13 Oct 2023
Lancing (New Britain, Papua New Guinea) – updated 5 Nov 2023
Manam (Chine New Guinea) - updated 24 Feb 2024
Matthew Island (France, Southwestern Pacific Ocean) – updated 17 Jul 2024
Planchón-Peteroa (Central chile and Argentina) – updated 27 Feb 2020
PURACÉ (Colombia) – updated 22 Jan 2025
Other
Nishino-shima (Volcano Islands, Japan) – new aerial images (updated 6 Nov 2024)
Ol Doinyo Lengai (Tanzania) - effusion of natrocarbonatite lava inside the pit crater in the northern main crater (updated 27 Aug 2021)