Reykjanes Volcano (Iceland) activity update Feb 11, 2026 – Unrest

The Icelandic Meteorological Office (IMO) reported that unrest continued at Reykjanes between 4 February 2026 (local) and 11 February 2026 (local). Ground deformation data indicated ongoing inflation. IMO’s modeling suggests that approximately 21 million cubic meters (m³) of magma have accumulated beneath Svartsengi since the last eruption in July 2025. The alert level remained at „2 – Heightened volcanic unrest“ (on a 0-3 level scale). The aviation alert level remained at „Yellow“ (level 2 on a 4-level scale).
Source: Icelandic Meteorological Office (IMO)

Current Alerts:
Observatory alert level: „2 – Heightened volcanic unrest“ (on a 0-3 level scale)
Aviation Alert Level: „Yellow“ (level 2 on a 4-level scale)

Adapted from: Smithsonian / USGS Daily Volcanic Activity Report for Feb 11, 2026

Semeru Volcano Volcanic Ash Advisory: VA TO FL150 OBS AT 12/0120Z EST VA DTG: 12/0440Z to 15000 ft (4600 m)

Satellite image of Semeru volcano on 12 Feb 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 10 kts in E direction.
The full report is as follows:

FVAU02 at 05:01 UTC, 12/02/26 from ADRM
VA ADVISORY
DTG: 20260212/0500Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/173
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 OBS AT 12/0120Z
EST VA DTG: 12/0440Z
EST VA CLD: SFC/FL150 S0809 E11253 – S0802 E11252 – S0754
E11311 – S0802 E11317 – S0812 E11314 MOV E 10KT
FCST VA CLD +6 HR: 12/1040Z SFC/FL150 S0804 E11252 – S0754
E11313 – S0802 E11319 – S0813 E11315 – S0809 E11253
FCST VA CLD +12 HR: 12/1640Z SFC/FL150 S0809 E11253 – S0802
E11252 – S0749 E11310 – S0800 E11320 – S0812 E11316
FCST VA CLD +18 HR: 12/2240Z SFC/FL150 S0810 E11253 – S0802
E11252 – S0750 E11311 – S0759 E11322 – S0812 E11316
RMK: VA IDENTIFIABLE ON SATELLITE IMAGERY. RECENT GROUND
REPORTS INDICATE INTERMITTENT VA EMISSIONS ARE ONGOING. VA
HEIGHT AND MOVEMENT BASED ON HIMAWARI-9 SAT IMG, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260212/1100Z=

Ibu Volcano Volcanic Ash Advisory: VA TO FL070 LAST REP AT 11/1349Z EST VA DTG: 12/0400Z to 7000 ft (2100 m)

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .
The full report is as follows:

FVAU01 at 04:20 UTC, 12/02/26 from ADRM
VA ADVISORY
DTG: 20260212/0420Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/173
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 LAST REP AT 11/1349Z
EST VA DTG: 12/0400Z
EST VA CLD: SFC/FL070 N0131 E12743 – N0104 E12734 – N0106
E12720 – N0118 E12715 – N0135 E12737
FCST VA CLD +6 HR: 12/1000Z SFC/FL070 N0131 E12743 – N0106
E12731 – N0108 E12718 – N0120 E12713 – N0135 E12738
FCST VA CLD +12 HR: 12/1600Z SFC/FL070 N0131 E12743 – N0106
E12732 – N0105 E12720 – N0121 E12713 – N0135 E12737
FCST VA CLD +18 HR: 12/2200Z SFC/FL070 N0131 E12743 – N0104
E12732 – N0107 E12716 – N0123 E12711 – N0136 E12737
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. VA EMISSION IS EXPECTED TO BE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON HIMAWARI-9, GROUND REPORTS AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260212/1020Z=

Home Reef Volcano Volcanic Ash Advisory: NOT PROVIDED OBS VA DTG: 12/0018Z

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

FVPS01 at 00:18 UTC, 12/02/26 from NZKL
VA ADVISORY
DTG: 20260212/0018Z
VAAC: WELLINGTON
VOLCANO: HOME REEF 243080
PSN: S1900 W17447
AREA: TONGA
SOURCE ELEV: 9M BLW MSL
ADVISORY NR: 2026/1
INFO SOURCE: PIREP
ERUPTION DETAILS: NOT PROVIDED
OBS VA DTG: 12/0018Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL020 020/10KT
FCST VA CLD +6 HR: 12/0618Z NO VA EXP
FCST VA CLD +12 HR: 12/1218Z NO VA EXP
FCST VA CLD +18 HR: 12/1818Z NO VA EXP
RMK: PIREP OF VOLCANIC ACTIVITY RECEIVED. NO ASH OBSERVED IN
SATELLITE IMAGERY IN CLEAR CONDITIONS.
NXT ADVISORY: NO FURTHER ADVISORIES=

Mayon Volcano Volcanic Ash Advisory: ERUPTION AT 20260211/1832Z VA CLD UNKNOWN REPORTED OBS VA DTG: 11/1840Z

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

FVFE01 at 19:01 UTC, 11/02/26 from RJTD
VA ADVISORY
DTG: 20260211/1901Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/157
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260211/1832Z VA CLD UNKNOWN REPORTED
OBS VA DTG: 11/1840Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 100/14KT

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=