A surge at Mayon stands out today, while Kilauea and Great Sitkin keep steady at Watch/Aviation ORANGE. Pavlof shows increased unrest, Indonesia maintains several Level 3 eruptions, and Popocatepetl plus multiple Andean volcanoes stay active. Most alert levels and activity states are unchanged from the previous day; Lewotolok’s designation shifted back to a continuing eruption.
United States
Great Sitkin and Kilauea continue in eruption at Watch/Aviation ORANGE. Unrest increased at Pavlof (Advisory/Aviation YELLOW), while Shishaldin remains at Advisory/Aviation YELLOW; Aniakchak is unassigned with no new information.
Indonesia
Level 3 eruptions continue at Merapi, Semeru, and Lewotobi. Dukono and Ibu also remain in eruption, and Lewotolok is now categorized as a continuing eruption. Unrest persists at Kerinci, Karangetang, and Iliwerung, with Talang also elevated. Egon and Tangkuban Parahu are at normal background.
Philippines
Mayon shows increased eruptive activity (Alert Level 3). Ongoing unrest continues at Kanlaon (Alert Level 2) and Taal (Alert Level 1).
Mexico
Popocatepetl continues at Yellow Alert – Phase 2.
South America
In Ecuador, Reventador remains in eruption, while Sangay’s activity is decreased. Colombia’s Purace stays active at Orange, and Peru’s Sabancaya continues; Huaynaputina is Green (background).
Source: Smithsonian/USGS GVP Daily Volcanic Activity Report for 15 January 2026.
Activity Summary for 15 January 2026
| Volcano | Country | Activity Type | Keynotes |
|---|---|---|---|
| Dukono | Indonesia | Continuing eruption | Eruption ongoing; Alert Level 2 – Alert. |
| Great Sitkin | United States | Continuing eruption | Eruption ongoing; Watch / Aviation ORANGE. |
| Ibu | Indonesia | Continuing eruption | Eruption ongoing; Alert Level 2 – Alert. |
| Kilauea | United States | Continuing eruption | Eruption ongoing; Watch / Aviation ORANGE. |
| Kanlaon | Philippines | Continuing eruption | Eruption ongoing; Alert Level 2 – Moderate Unrest. |
| Lewotobi | Indonesia | Continuing eruption | Eruption ongoing; Alert Level 3 – Standby. |
| Lewotolok | Indonesia | Continuing eruption | Eruption ongoing; Alert Level 2 – Alert. |
| Marapi | Indonesia | Continuing eruption | Eruption ongoing; Alert Level 2 – Alert. |
| Mayon | Philippines | Eruptive activity increased | Activity increased; Alert Level 3 – Increased Tendency Towards Hazardous Eruption. |
| Merapi | Indonesia | Continuing eruption | Eruption ongoing; Alert Level 3 – Standby. |
| Popocatepetl | Mexico | Continuing eruption | Eruption ongoing; Yellow Alert – Phase 2. |
| Purace | Colombia | Continuing eruption | Eruption ongoing; Alert Level Orange. |
| Reventador | Ecuador | Continuing eruption | Eruption ongoing; Alert Level 3 – Orange. |
| Sabancaya | Peru | Continuing eruption | Eruption ongoing; Alert Level Orange. |
| Sangay | Ecuador | Eruptive activity decreased | Activity decreased; Alert Level 2 – Yellow. |
| Semeru | Indonesia | Continuing eruption | Eruption ongoing; Alert Level 3 – Standby. |
| Taal | Philippines | Continuing eruption | Eruption ongoing; Alert Level 1 – Low-Level Unrest. |
| Bur ni Telong | Indonesia | Unrest | Ongoing unrest; Alert Level 2 – Alert. |
| Iliwerung | Indonesia | Unrest | Ongoing unrest; Alert Level 2 – Alert. |
| Karangetang | Indonesia | Unrest | Ongoing unrest; Alert Level 2 – Alert. |
| Kerinci | Indonesia | Unrest | Ongoing unrest; Alert Level 2 – Alert. |
| Pavlof | United States | Unrest activity increased | Unrest increased; Advisory / Aviation YELLOW. |
| Shishaldin | United States | Unrest | Ongoing unrest; Advisory / Aviation YELLOW. |
| Talang | Indonesia | Unrest | Ongoing unrest; Alert Level 2 – Alert. |
| Aniakchak | United States | No new information | No new information; Alert Level Unassigned; Aviation Unassigned. |
| Egon | Indonesia | Background or normal activity | Background activity; Alert Level 1 – Normal. |
| Huaynaputina | Peru | Background or normal activity | Background activity; Alert Level Green. |
| Tangkuban Parahu | Indonesia | Background or normal activity | Background activity; Alert Level 1 – Normal. |