Mayon activity increases as Kilauea and Great Sitkin hold at Aviation ORANGE

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.

Semeru Volcano Volcanic Ash Advisory: VA ERUPTION LAST REPORTED AT 16/0738Z EST VA DTG: 16/0840Z

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

FVAU02 at 08:58 UTC, 16/01/26 from ADRM
VA ADVISORY
DTG: 20260116/0900Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/63
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 16/0738Z
EST VA DTG: 16/0840Z
EST VA CLD: SFC/FL150 S0809 E11251 – S0802 E11252 – S0806
E11333 – S0823 E11328 MOV E 25KT
FCST VA CLD +6 HR: 16/1440Z SFC/FL150 S0809 E11251 – S0802
E11252 – S0805 E11333 – S0821 E11329
FCST VA CLD +12 HR: 16/2040Z SFC/FL150 S0809 E11251 – S0802
E11252 – S0802 E11333 – S0821 E11329
FCST VA CLD +18 HR: 17/0240Z SFC/FL150 S0802 E11252 – S0802
E11333 – S0820 E11329 – S0809 E11251
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY DUE TO
MET CLOUD, HOWEVER RECENT GROUND REPORTS INDICATE
INTERMITTENT DISCRETE ERUPTIONS ARE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260116/1500Z=

Canlaon Volcano Volcanic Ash Advisory: ERUPTION AT 20260116/0212Z FL090 EXTD S REPORTED OBS VA DTG: 16/0220Z

Satellite image of Canlaon volcano on 16 Jan 2026

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

FVFE01 at 02:44 UTC, 16/01/26 from RJTD
VA ADVISORY
DTG: 20260116/0244Z
VAAC: TOKYO
VOLCANO: KANLAON 272020
PSN: N1025 E12308
AREA: PHILIPPINES
SOURCE ELEV: 2435M AMSL
ADVISORY NR: 2026/20
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260116/0212Z FL090 EXTD S REPORTED
OBS VA DTG: 16/0220Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 010/20KT

FCST VA CLD +6 HR: NOT AVBL
FCST VA CLD +12 HR: NOT AVBL
FCST VA CLD +18 HR: NOT AVBL
RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE
IMAGERY.
NXT ADVISORY: NO FURTHER ADVISORIES=

Lewotolok activity ticks up while Sangay eases amid steady Indonesian unrest

Indonesia led today’s global volcano picture with numerous ongoing eruptions, plus one notable uptick and a slowdown in the Andes. Activity increased at Lewotolok, while Sangay in Ecuador eased; steady eruptions also held at Popocatepetl, Reventador, and Sabancaya.

Indonesia
Activity was widespread. Lewotolok showed increased eruptive activity while holding at Level 2. Higher alert conditions persisted at Merapi, Semeru, and Lewotobi (all Level 3). Eruptions continued at Dukono, Ibu, and Marapi, and Kerinci stayed in unrest at Level 2.

Mexico
Popocatepetl remained in eruption at Yellow Alert – Phase 2.

South America
Colombia’s Purace and Peru’s Sabancaya kept their Orange-level eruptions, alongside Ecuador’s Reventador. Meanwhile, Ecuador’s Sangay showed decreased activity at Yellow.

Source: Smithsonian/USGS GVP Daily Volcanic Activity Report — 14 January 2026.

Activity Summary for 14 January 2026

Volcano Country Activity Type Keynotes
Dukono Indonesia Eruption Eruption ongoing; Alert Level 2.
Ibu Indonesia Eruption Eruption ongoing; Alert Level 2.
Lewotobi Indonesia Eruption Eruption ongoing; Alert Level 3.
Lewotolok Indonesia Increased activity Activity increased; Alert Level 2.
Marapi Indonesia Eruption Eruption ongoing; Alert Level 2.
Merapi Indonesia Eruption Eruption ongoing; Alert Level 3.
Popocatepetl Mexico Eruption Eruption ongoing; Yellow Alert – Phase 2.
Purace Colombia Eruption Eruption ongoing; Orange Alert.
Reventador Ecuador Eruption Eruption ongoing; Orange Alert.
Sabancaya Peru Eruption Eruption ongoing; Orange Alert.
Sangay Ecuador Decreased activity Activity decreased; Yellow Alert.
Semeru Indonesia Eruption Eruption ongoing; Alert Level 3.
Kerinci Indonesia Unrest Ongoing unrest; Alert Level 2.