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=