Kategorie: Climate Change

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 .
The full report is as follows:

FVXX24 at 12:27 UTC, 22/01/26 from KNES
VA ADVISORY
DTG: 20260122/1221Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SOURCE ELEV: 12287 FT AMSL

ADVISORY NR: 2026/059

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: VA CDL OBS

OBS VA DTG: 22/1150Z

OBS VA CLD: SFC/FL140 N1422 W09149 – N1422 W09145
– N1419 W09145 – N1419 W09150 – N1422 W09149 MOV
SW 10KT

FCST VA CLD +6HR: 22/1800Z SFC/FL140 N1446 W09132
– N1444 W09132 – N1425 W09158 – N1431 W09202 –
N1446 W09132

FCST VA CLD +12HR: 23/0000Z SFC/FL140 N1446
W09133 – N1444 W09132 – N1426 W09159 – N1432
W09204 – N1446 W09133

FCST VA CLD +18HR: 23/0600Z NO VA EXP

RMK: VA CLD OBS IN STLT IMG AT APPRX 30NM FM
SUMMIT. NWP MDL GUIDANCE FCSTS GEN SW MOVMT THRU
T+12. …MONAGHAN

NXT ADVISORY: WILL BE ISSUED BY 20260122/1830Z

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 .
The full report is as follows:

FVXX23 at 08:27 UTC, 22/01/26 from KNES
VA ADVISORY
DTG: 20260122/0825Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SOURCE ELEV: 12346 FT AMSL

ADVISORY NR: 2026/092

INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.

ERUPTION DETAILS: VA MOVG W

OBS VA DTG: 22/0750Z

OBS VA CLD: SFC/FL140 N1435 W09129 – N1429 W09052
– N1426 W09052 – N1422 W09129 – N1435 W09129 MOV
W 5KT

FCST VA CLD +6HR: 22/1400Z SFC/FL140 N1433 W09135
– N1429 W09052 – N1426 W09052 – N1410 W09129 –
N1433 W09135

FCST VA CLD +12HR: 22/2000Z SFC/FL140 N1429
W09052 – N1427 W09052 – N1409 W09107 – N1423
W09118 – N1429 W09052

FCST VA CLD +18HR: 23/0200Z SFC/FL140 N1431
W09114 – N1429 W09052 – N1427 W09053 – N1416
W09111 – N1431 W09114

RMK: VA EMS OBS IN STLT IMAGERY MOVG APPRX 35NM W
FM SUMMIT. VA FCST THRU T+18 HRS BASED ON A BLEND
OF NWP MDLS AND RCNT STLT IMAGERY. …COVERDALE

NXT ADVISORY: WILL BE ISSUED BY 20260122/1430Z

Indonesia led today’s activity, with Lewotolok producing 524 seismically detected explosions and ash-and-gas plumes to 500 m. Semeru and Ibu were also busy, while Ecuador’s Sangay was flagged for increased activity. On Reunion, Piton de la Fournaise moved to Alert 2-1 as Popocatepetl and several Philippine volcanoes maintained ongoing unrest.

Indonesia
At Lewotolok, activity surged with 524 seismically detected explosions and ash-and-gas plumes rising up to 500 m. Frequent activity was also noted at Semeru (120 explosions and five rockfalls) and Ibu (117 explosions), while Dukono produced a single explosion. Unrest persisted at Lewotobi with low gas plumes around 50 m, and at several others including Merapi (Level 3 – Standby), Kerinci, Karangetang, Raung, Sangeang Api, Lokon-Empung, Iliwerung, and Awu; two—Talang and Tangkuban Parahu—were at background levels.

Philippines
In the Philippines, Mayon remained at Alert Level 3, while Kanlaon and Taal held at Levels 2 and 1, respectively, amid ongoing unrest.

Mexico
Mexico’s Popocatepetl stayed at Yellow Alert – Phase 2.

South America
In Ecuador, Sangay was flagged for increased activity as Reventador continued erupting. Peru’s Sabancaya registered nine earthquakes linked to internal fluid movement and a thermal anomaly. Colombia’s Purace remained at Orange Alert.

Africa
On Reunion Island, Piton de la Fournaise shifted to Alert 2-1.

Other
In Costa Rica, Poas kept its eruption at Level 2 – Warning, while Rincon de la Vieja and Turrialba showed unrest at the same level.

Source: Smithsonian/USGS GVP Daily Volcanic Activity Report (20 January 2026).

Activity Summary for 20 January 2026

Volcano	Country	Activity Type	Keynotes
Dukono	Indonesia	Eruption	1 explosion; continuing activity.
Ibu	Indonesia	Eruption	117 explosions; explosive activity ongoing.
Kanlaon	Philippines	Eruption	Eruption ongoing; Alert Level 2 – Moderate unrest.
Lewotolok	Indonesia	Eruption	524 explosions; ash and gas to 500 m.
Marapi	Indonesia	Eruption	Eruption ongoing; Alert Level 2.
Mayon	Philippines	Eruption	Eruption ongoing; Alert Level 3 – Increased tendency toward hazardous eruption.
Merapi	Indonesia	Eruption	Gas-and-steam plume to 20 m.
Piton de la Fournaise	France	Alert status	Alert 2-1 in effect.
Popocatepetl	Mexico	Eruption	Eruption ongoing; Yellow Alert – Phase 2.
Poas	Costa Rica	Eruption	Eruption ongoing; Level 2 – Warning.
Purace	Colombia	Eruption	Eruption ongoing; Orange Alert.
Reventador	Ecuador	Eruption	Eruption ongoing; Alert Level 3 – Orange.
Sabancaya	Peru	Eruption	9 earthquakes; thermal anomaly detected.
Sangay	Ecuador	Eruption	Eruptive activity increased; Alert Level 2 – Yellow.
Semeru	Indonesia	Eruption	120 explosions; 5 rockfalls.
Taal	Philippines	Eruption	Eruption ongoing; Alert Level 1 – Low-level unrest.
Awu	Indonesia	Unrest	Ongoing unrest; Alert Level 2.
Bur ni Telong	Indonesia	Unrest	Ongoing unrest; Alert Level 2.
Iliwerung	Indonesia	Unrest	Ongoing unrest; Alert Level 2.
Karangetang	Indonesia	Unrest	Ongoing unrest; Alert Level 2.
Kerinci	Indonesia	Unrest	Ongoing unrest; Alert Level 2.
Lewotobi	Indonesia	Unrest	Gas-and-steam plume 50 m; unrest ongoing.
Lokon-Empung	Indonesia	Unrest	Ongoing unrest; Alert Level 2.
Raung	Indonesia	Unrest	Ongoing unrest; Alert Level 2.
Rincon de la Vieja	Costa Rica	Unrest	Ongoing unrest; Level 2 – Warning.
Sangeang Api	Indonesia	Unrest	Ongoing unrest; Alert Level 2.
Turrialba	Costa Rica	Unrest	Ongoing unrest; Level 2 – Warning.
Talang	Indonesia	Background	Background state; Alert Level 1 – Normal.
Tangkuban Parahu	Indonesia	Background	Background state; Alert Level 1 – Normal.

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

FVAU01 at 23:00 UTC, 21/01/26 from ADRM
VA ADVISORY
DTG: 20260121/2300Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/84
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 21/0745Z
EST VA DTG: 21/2240Z
EST VA CLD: SFC/FL060 N0131 E12732 – N0136 E12737 – N0057
E12833 – N0035 E12812 MOV SE 20KT
FCST VA CLD +6 HR: 22/0440Z SFC/FL060 N0131 E12732 – N0136
E12737 – N0057 E12833 – N0036 E12813
FCST VA CLD +12 HR: 22/1040Z SFC/FL060 N0131 E12732 – N0136
E12737 – N0057 E12833 – N0036 E12813
FCST VA CLD +18 HR: 22/1640Z SFC/FL060 N0129 E12733 – N0134
E12736 – N0120 E12827 – N0102 E12828 – N0052 E12814
RMK: VA UNIDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD BUT MINOR INTERMITTENT EMISSIONS COULD BE ONGOING.
VA HEIGHT AND MOVEMENT BASED ON GROUND REPORTS AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260122/0500Z=

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

FVFE01 at 19:34 UTC, 21/01/26 from RJTD
VA ADVISORY
DTG: 20260121/1934Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/65
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260121/1844Z VA CLD UNKNOWN REPORTED
OBS VA DTG: 21/1910Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 040/11KT

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=