Schlagwort: volcano

Explosive and effusive activity stood out today across several regions. The Philippines‘ Mayon produced ongoing lava effusion with minor Strombolian bursts, while Peru’s Sabancaya showed higher explosive output with ash rising 2.5 km. Guatemala’s Fuego tallied up to 10 explosions per hour and Ecuador’s Sangay recorded hundreds of blasts, as Kilauea and Great Sitkin held at Aviation ORANGE.

United States
Kilauea and Great Sitkin stayed at Watch with Aviation ORANGE as their slow eruptions persisted. Unrest also continued at Shishaldin (Advisory / Aviation YELLOW).

Indonesia
Frequent explosive activity was noted at Ibu (102 explosions; ash to 800 m), Lewotolok (191 explosions, low plumes), and Semeru (108 explosions). Dukono and Marapi produced low ash plumes, the latter from a single explosion to 600 m. At Merapi, 111 rockfalls were recorded with only weak gas release. Unrest continued at several others, including Karangetang and Lewotobi; Kerinci, Raung, and Iliwerung also remained elevated.

Japan
At Yakedake, unrest increased; authorities kept Level 2 restrictions near the crater.

Philippines
Mayon showed dome growth with steady lava effusion and minor, episodic Strombolian bursts. Instruments detected 44 signals linked to pyroclastic density currents and 155 rockfalls; crater glow was visible. The alert remained at Level 3.

Mexico
Popocatepetl released gas-and-steam emissions, and a M1.1 volcano-tectonic quake was recorded; the alert stayed at Yellow Phase 2.

South America
In Ecuador, Sangay generated 297 explosions with ash rising to 1.5 km, while Reventador produced 36 explosions and ash to 1 km. In Peru, Sabancaya saw increased activity with three explosions and ash-and-gas plumes up to 2.5 km, along with thermal anomalies.

Other
In Guatemala, Fuego produced up to 10 explosions per hour, lofting ash to about 1 km and ejecting incandescent material 300 m; shockwaves and rumbling were noted. In Costa Rica, Poas remained at Level 2 – Warning (Aviation Yellow), while Rincon de la Vieja and Turrialba stayed in unrest.

Source: Smithsonian/USGS GVP Daily Volcanic Activity Report (Report date: 26 January 2026).

Activity Summary for 26 January 2026

Satellite image of Semeru volcano on 27 Jan 2026

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 15 kts in SE direction.
The full report is as follows:

FVAU02 at 18:33 UTC, 27/01/26 from ADRM
VA ADVISORY
DTG: 20260127/1840Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/110
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 27/1357Z
EST VA DTG: 27/1820Z
EST VA CLD: SFC/FL150 S0807 E11253 – S0803 E11254 – S0803
E11324 – S0824 E11318 MOV SE 15KT
FCST VA CLD +6 HR: 28/0020Z SFC/FL150 S0803 E11254 – S0804
E11324 – S0828 E11311 – S0807 E11252
FCST VA CLD +12 HR: 28/0620Z SFC/FL150 S0807 E11252 – S0803
E11255 – S0808 E11325 – S0820 E11322 – S0828 E11310
FCST VA CLD +18 HR: 28/1220Z SFC/FL150 S0807 E11252 – S0803
E11255 – S0805 E11325 – S0828 E11312
RMK: VA NOT IDENTIFIABLE ON CURRENT SAT IMAGE DUE TO MET
CLOUD. HOWEVER, GROUND REPORTS INDICATED INTERMITTENT
DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED
ON GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260128/0040Z=

Satellite image of Lewotolo volcano on 27 Jan 2026

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 6000 ft (1800 m) altitude or flight level 060 .
The full report is as follows:

FVAU03 at 15:16 UTC, 27/01/26 from ADRM
VA ADVISORY
DTG: 20260127/1516Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/45
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL060 REP FM GND AT 27/1253, MOV E
EST VA DTG: 27/1500Z
EST VA CLD: SFC/FL060 S0820 E12325 – S0809 E12324 – S0751
E12430 – S0833 E12430 MOV E 25KT
FCST VA CLD +6 HR: 27/2100Z NO VA EXP
FCST VA CLD +12 HR: 28/0300Z NO VA EXP
FCST VA CLD +18 HR: 28/0900Z NO VA EXP
RMK: VA NOT IDENTIFIABLE ON SAT IMAGERY DUE TO MET CLOUD. VA
HEIGHT AND MOVEMENT BASED ON GND REPORT AND MODEL GUIDANCE.
VA LIKELY TO DISSIPATE IN 6HRS.
NXT ADVISORY: NO LATER THAN 20260127/2116Z=

Lava effusion, dome growth, and minor Strombolian bursts at Mayon stood out today. Guatemala’s Fuego produced frequent explosions—up to 10 per hour—while Ecuador’s Sangay tallied hundreds of blasts and Peru’s Sabancaya showed a clear uptick. In the United States, Kilauea and Great Sitkin both held at Watch with Aviation Orange.

United States
Kilauea and Great Sitkin kept steady eruption status (Watch / Aviation ORANGE). Shishaldin remained in unrest (Advisory / Aviation YELLOW).

Indonesia
Explosive activity was notable at Ibu (102 explosions; ash to 800 m) and Semeru (108 explosions). Lewotolok recorded 191 explosions with only very low ash near the vent, while Dukono and Marapi produced modest ash plumes. Slope instability and degassing persisted at Merapi, with 111 rockfalls. Unrest continued at Iliwerung, Kerinci, and Raung. Lewotobi remained at an elevated alert, and gas rose about 100 m at Karangetang.

Japan
Yakedake showed increased unrest; a Level 2 restriction remained in place near the crater.

Philippines
Mayon maintained dome growth with active lava effusion and minor Strombolian bursts. Seismic monitoring tallied numerous rockfalls and events linked to pyroclastic density currents, and a persistent crater glow was visible.

Mexico
Popocatepetl emitted gas and steam, and a M1.1 volcano-tectonic quake was recorded; the alert stayed at Yellow Phase 2.

South America
In Ecuador, Sangay produced 297 explosions with ash rising to 1.5 km, while Reventador generated 36 blasts and ash to 1 km. Peru’s Sabancaya increased, with three explosions sending plumes to 2.5 km and a thermal anomaly detected.

Other
Guatemala’s Fuego was highly explosive at times, with up to 10 explosions per hour, incandescent ejections to 300 m, and ash plumes near 1 km. In Costa Rica, Poas remained in eruption (Level 2 – Warning; Aviation Yellow), while Rincon de la Vieja and Turrialba stayed at Level 2 – Warning.

Source: Smithsonian/USGS GVP Daily Volcanic Activity Report (26 January 2026).

Activity Summary for 26 January 2026

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

FVAU02 at 06:41 UTC, 27/01/26 from ADRM
VA ADVISORY
DTG: 20260127/0640Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/108
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: ERUPTION LAST REPORTED 27/0551Z
EST VA DTG: 27/0620Z
EST VA CLD: SFC/FL150 S0804 E11254 – S0758 E11324 – S0817
E11323 – S0809 E11254 MOV E 10KT
FCST VA CLD +6 HR: 27/1220Z SFC/FL150 S0808 E11253 – S0803
E11254 – S0802 E11325 – S0821 E11320
FCST VA CLD +12 HR: 27/1820Z SFC/FL150 S0808 E11254 – S0803
E11254 – S0802 E11326 – S0820 E11322
FCST VA CLD +18 HR: 28/0020Z SFC/FL150 S0806 E11252 – S0802
E11255 – S0809 E11323 – S0828 E11311
RMK: VA NOT IDENTIFIABLE ON CURRENT SAT IMAGE DUE TO MET
CLOUD. HOWEVER, GROUND REPORTS INDICATED INTERMITTENT
DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED
ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260127/1240Z=