Schlagwort: volcano

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=

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

FVFE01 at 12:38 UTC, 21/01/26 from RJTD
VA ADVISORY
DTG: 20260121/1237Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/63
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260121/1200Z VA CLD UNKNOWN REPORTED
OBS VA DTG: 21/1220Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 050/12KT

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=

A surge at Lewotolok led today’s activity, with 524 explosions and ash-and-gas rising 500 m above the vent. Indonesia dominated overall, as Semeru logged 120 explosions with rockfalls and Ibu tallied 117 explosions, while Ecuador’s Sangay showed increased activity and Mexico’s Popocatepetl stayed active. On Reunion, an alert step to Alert 2-1 was announced at Piton de la Fournaise.

Indonesia
At Lewotolok (Level 3 – Standby), monitors counted 524 explosions and ash-and-gas plumes rose to 500 m above the vent.
Semeru (Level 3 – Standby) produced 120 explosions and five rockfalls, while Ibu (Level 2 – Alert) registered 117 explosions.
Dukono (Level 2 – Alert) also erupted, and Merapi (Level 3 – Standby) released minor gas-and-steam about 20 m above the vent.
Unrest persisted at Awu, Karangetang, and Kerinci, with additional monitoring at Iliwerung and Lokon-Empung.
Raung and Sangeang Api also showed unrest, while Talang and Tangkuban Parahu were reported at normal status.

Philippines
Mayon (Alert Level 3) and Kanlaon (Alert Level 2) remained in ongoing activity. Taal stayed at Alert Level 1.

Mexico
Popocatepetl remained active at Yellow Alert – Phase 2.

South America
In Ecuador, Sangay saw increased eruptive activity, while Reventador continued to erupt.
Peru’s Sabancaya recorded nine earthquakes linked to magmatic-gas movement and showed a thermal anomaly.
Colombia’s Purace remained at Orange Alert with ongoing activity.

Africa
On Reunion Island, Piton de la Fournaise was set to Alert 2-1 at 0000 on 20 January.

Other
In Costa Rica, Poas remained in eruption at Level 2 – Warning. Unrest persisted at Rincon de la Vieja and Turrialba (both Level 2 – Warning).

Source: Smithsonian/USGS Daily Volcanic Activity Report — 20 January 2026.

Activity Summary for 20 January 2026

Satellite image of Semeru volcano on 21 Jan 2026

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

FVAU02 at 05:44 UTC, 21/01/26 from ADRM
VA ADVISORY
DTG: 20260121/0550Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/83
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 21/0252Z
EST VA DTG: 21/0530Z
EST VA CLD: SFC/FL150 S0808 E11251 – S0802 E11250 – S0756
E11327 – S0805 E11331 – S0817 E11325 MOV E 15KT
FCST VA CLD +6 HR: 21/1130Z SFC/FL150 S0809 E11250 – S0802
E11250 – S0755 E11326 – S0805 E11333 – S0817 E11326
FCST VA CLD +12 HR: 21/1730Z SFC/FL150 S0809 E11250 – S0801
E11250 – S0757 E11324 – S0805 E11331 – S0816 E11324
FCST VA CLD +18 HR: 21/2330Z SFC/FL150 S0808 E11250 – S0801
E11250 – S0756 E11323 – S0805 E11330 – S0816 E11326
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY DUE TO
MET CLOUD, HOWEVER GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS COULD BE ONGOING. VA HEIGHT AND MOVEMENT
BASED ON RECENT GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260121/1150Z=

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 .
The full report is as follows:

FVXX20 at 03:57 UTC, 21/01/26 from KNES
VA ADVISORY
DTG: 20260121/0355Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2026/083

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: VA MOVG SSE

OBS VA DTG: 21/0330Z

OBS VA CLD: SFC/FL160 S0004 W07739 – S0016 W07729
– S0019 W07735 – S0005 W07740 – S0004 W07739 MOV
SE 5KT

FCST VA CLD +6HR: 21/0930Z SFC/FL160 S0005 W07739
– S0021 W07728 – S0023 W07741 – S0005 W07740 –
S0005 W07739

FCST VA CLD +12HR: 21/1530Z SFC/FL160 S0004
W07739 – S0005 W07739 – S0022 W07738 – S0018
W07749 – S0004 W07739

FCST VA CLD +18HR: 21/2130Z SFC/FL160 S0004
W07739 – S0018 W07729 – S0022 W07737 – S0005
W07740 – S0004 W07739

RMK: OCNL VA EMS OBS IN STLT IMAGERY MOVG APPRX
15NM SSE FM SUMMIT. VA FCST THRU T+18 HRS BASED
ON NWP MDL GUIDANCE BUT FL WINDS REMAIN LGT.
…COVERDALE

NXT ADVISORY: WILL BE ISSUED BY 20260121/1000Z