Occasional volcanic ash emissions were previously observed at Santiaguito. As of 29 October 2026 at 16:50 UTC, ash was not currently detected by satellite, but continued emissions are considered likely based on recent activity and webcam observations.Original VAAC bulletin:FVXX23 at 17:26 UTC, 29/10/26 from KNESVA ADVISORYDTG: 20261029/1724ZVAAC: WASHINGTONVOLCANO: SANTA MARIA 342030PSN: N1445 W09133AREA: GUATEMALASOURCE ELEV: 12287 FT AMSLADVISORY NR: 2026/635INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL VA EMSEST VA DTG: 29/1650ZEST VA CLD: SFC/FL140 N1446 W09132 - N1445 W09132- N1438 W09142 - N1441 W09144 - N1446 W09132 MOVSW 5KT FCST VA CLD +6HR: 29/2300Z SFC/FL140 N1446 W09132- N1444 W09132 - N1440 W09144 - N1444 W09144 -N1446 W09132 FCST VA CLD +12HR: 30/0500Z SFC/FL140 N1446W09133 - N1445 W09132 - N1440 W09143 - N1443W09144 - N1446 W09133 FCST VA CLD +18HR: 30/1100Z SFC/FL140 N1446W09132 - N1445 W09132 - N1439 W09143 - N1442W09144 - N1446 W09132 RMK: VA NOT CRNTLY DETECTED IN STLT IMG. VA EMSPREV OBS IN WEBCAM. VA EMS LIKELY CONT BASED ONRCNT ACT. MDL WINDS SUG SW MVMT THRU T+18....GATLINGNXT ADVISORY: WILL BE ISSUED BY 20261029/2330Z