Mayon Volcano Volcanic Ash Advisory: ERUPTION AT 20260711/0954Z VA CLD UNKNOWN REPORTED OBS VA DTG: 11/0950Z

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

FVFE01 at 10:10 UTC, 11/07/26 from RJTD
VA ADVISORY
DTG: 20260711/1010Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/721
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260711/0954Z VA CLD UNKNOWN REPORTED
OBS VA DTG: 11/0950Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 220/19KT

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=

Mayon Volcano Volcanic Ash Advisory: ERUPTION AT 20260711/0320Z VA CLD UNKNOWN REPORTED OBS VA DTG: 11/0320Z

Satellite image of Mayon volcano on 11 Jul 2026

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

FVFE01 at 03:34 UTC, 11/07/26 from RJTD
VA ADVISORY
DTG: 20260711/0334Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/719
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260711/0320Z VA CLD UNKNOWN REPORTED
OBS VA DTG: 11/0320Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 240/24KT

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=

Santiaguito Volcano Volcanic Ash Advisory: MINOR VA EMS

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

FVXX21 at 02:07 UTC, 11/07/26 from KNES
VA ADVISORY
DTG: 20260711/0205Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SOURCE ELEV: 12287 FT AMSL

ADVISORY NR: 2026/363

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

ERUPTION DETAILS: MINOR VA EMS

EST VA DTG: 11/0110Z

EST VA CLD: SFC/FL140 N1448 W09147 – N1446 W09132
– N1444 W09132 – N1440 W09144 – N1448 W09147 MOV
W 10KT

FCST VA CLD +6HR: 11/0700Z SFC/FL140 N1452 W09152
– N1447 W09132 – N1445 W09132 – N1439 W09152 –
N1452 W09152

FCST VA CLD +12HR: 11/1300Z NO VA EXP

FCST VA CLD +18HR: 11/1900Z NO VA EXP

RMK: OCNL MINOR VA EMS OBS IN WEBCAM BUT NOT
CRNTLY OBS IN STLT IMAGERY DUE TO WX CLDS. VA
FCST THRU T+6 HRS BASED ON NWP MDL GUIDANCE.
…COVERDALE

NXT ADVISORY: WILL BE ISSUED BY 20260711/0800Z

Alert raised at Kuchinoerabujima as Indonesia’s Level 3 eruptions persist

An alert upgrade in Japan headlined an otherwise steady day of volcanic activity. Kuchinoerabujima was raised to Level 2, while a cluster of Indonesian volcanoes—Merapi, Semeru, Krakatau, and Lewotobi—held at Level 3 as eruptions continued; Popocatepetl and several Andean volcanoes also stayed active. Most alert levels and activity states are unchanged from the previous day.

Indonesia
Eruptive activity persisted across the archipelago. Level 3 conditions held at Merapi, Semeru, Krakatau, and Lewotobi; several others, including Dukono, Ibu, Lewotolok, and Marapi, remained at Level 2 with ongoing eruptions.

Japan
At Kuchinoerabujima, the alert was raised to Level 2, restricting access near the crater amid increased unrest.

Philippines
Eruptions persisted at Mayon (Level 3) and Kanlaon (Level 2). Taal stayed at Level 1 with low-level unrest, and Bulusan remained at Level 1 unrest.

Mexico
Popocatepetl maintained activity consistent with Yellow Alert Phase 2.

South America
In Ecuador, Reventador and Sangay remained in eruption, while Peru’s Sabancaya stayed active under an Orange alert.

Other
In Costa Rica, Poas continued eruptive activity at Level 2 (Warning); unrest persisted at Rincon de la Vieja and Turrialba, both at Level 2 (Warning).

Source: Smithsonian/USGS GVP Daily Volcanic Activity Report — 9 July 2026.

Activity Summary for 9 July 2026

Volcano Country Activity Type Keynotes
Dukono Indonesia Eruption Eruption ongoing; Alert Level 2 – Alert.
Ibu Indonesia Eruption Eruption ongoing; Alert Level 2 – Alert.
Kanlaon Philippines Eruption Eruption ongoing; Alert Level 2 – Moderate Level of Volcanic Unrest.
Krakatau Indonesia Eruption Eruption ongoing; Alert Level 3 – Standby.
Lewotobi Indonesia Eruption Eruption ongoing; Alert Level 3 – Standby.
Lewotolok Indonesia Eruption Eruption ongoing; Alert Level 2 – Alert.
Marapi Indonesia Eruption Eruption ongoing; Alert Level 2 – Alert.
Mayon Philippines Eruption Eruption ongoing; Alert Level 3 – Increased Tendency Towards Hazardous Eruption.
Merapi Indonesia Eruption Eruption ongoing; Alert Level 3 – Standby.
Popocatepetl Mexico Eruption Eruption ongoing; Yellow Alert – Phase 2.
Poas Costa Rica Eruption Eruption ongoing; Alert Level 2 – Warning.
Reventador Ecuador Eruption Eruption ongoing; Alert Level 3 – Orange.
Sabancaya Peru Eruption Eruption ongoing; Orange Alert (Level 3).
Sangay Ecuador Eruption Eruption ongoing; Alert Level 2 – Yellow.
Semeru Indonesia Eruption Eruption ongoing; Alert Level 3 – Standby.
Taal Philippines Eruption Eruption ongoing; Alert Level 1 – Low-Level Unrest.
Bulusan Philippines Unrest Ongoing unrest; Alert Level 1 – Low Level of Volcanic Unrest.
Kuchinoerabujima Japan Unrest Ongoing unrest; Alert Level 2 – Restriction on proximity to the crater.
Rincon de la Vieja Costa Rica Unrest Ongoing unrest; Alert Level 2 – Warning.
Turrialba Costa Rica Unrest Ongoing unrest; Alert Level 2 – Warning.

Krakatau Volcano Volcanic Ash Advisory: VA TO FL030 MOV NW OBS AT 10/1740Z OBS VA DTG: 10/1740Z to 3000 ft (900 m)

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 3000 ft (900 m) altitude or flight level 030 .
The full report is as follows:

FVAU06 at 17:55 UTC, 10/07/26 from ADRM
VA ADVISORY
DTG: 20260710/1800Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/42
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL030 MOV NW OBS AT 10/1740Z
OBS VA DTG: 10/1740Z
OBS VA CLD: SFC/FL030 S0612 E10525 – S0602 E10501 – S0543
E10509 – S0545 E10533 – S0605 E10532 MOV NW 05KT
FCST VA CLD +6 HR: 10/2340Z SFC/FL030 S0611 E10529 – S0619
E10458 – S0552 E10453 – S0542 E10515 – S0601 E10530
FCST VA CLD +12 HR: 11/0540Z SFC/FL030 S0607 E10544 – S0622
E10512 – S0554 E10456 – S0534 E10517 – S0542 E10539
FCST VA CLD +18 HR: 11/1140Z SFC/FL030 S0611 E10537 – S0619
E10521 – S0554 E10450 – S0535 E10510 – S0540 E10537
RMK: CONTINUOUS VA EMISSION IDENTIFIABLE ON LATEST SAT IMG
MOV SW. GROUND REPORTS INDICATE ERUPTIONS ARE ONGOING.
HEIGHT AND MOV BASED ON HIMAWARI-9 SAT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260711/0000Z=