Semeru Volcano Volcanic Ash Advisory: GROUND REPORT OF VA ERUPTION AT 11/2222Z EST VA DTG: 11/2230Z

Satellite image of Semeru volcano on 11 May 2026

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

FVAU02 at 22:51 UTC, 11/05/26 from ADRM
VA ADVISORY
DTG: 20260511/2250Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/537
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: GROUND REPORT OF VA ERUPTION AT 11/2222Z
EST VA DTG: 11/2230Z
EST VA CLD: SFC/FL160 S0809 E11257 – S0805 E11216 – S0737
E11242 – S0804 E11259 MOV NW 10KT
FCST VA CLD +6 HR: 12/0430Z SFC/FL160 S0809 E11258 – S0810
E11221 – S0741 E11239 – S0804 E11259
FCST VA CLD +12 HR: 12/1030Z SFC/FL160 S0809 E11257 – S0811
E11221 – S0746 E11228 – S0803 E11258
FCST VA CLD +18 HR: 12/1630Z SFC/FL160 S0805 E11259 – S0809
E11258 – S0814 E11215 – S0746 E11224
RMK: DISCRETE VA EMISSIONS IDENTIFIABLE ON RECENT RGB SAT
IMAGERY MOV NW. GROUND REPORTS INDICATE ONGOING VA
EMISSIONS. VA HEIGHT AND MOV FROM SAT IMAGERY, GROUND REP
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260512/0450Z=