Occasional volcanic ash emissions were reported for Santiaguito. No ash plume height was observed or reported as of the latest advisory on October 30, 2026, at 17:25 UTC.Original VAAC bulletin:FVXX23 at 17:28 UTC, 30/10/26 from KNESVA ADVISORYDTG: 20261030/1725ZVAAC: WASHINGTONVOLCANO: SANTA MARIA 342030PSN: N1445 W09133AREA: GUATEMALASOURCE ELEV: 12287 FT AMSLADVISORY NR: 2026/639INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: OCNL VA EMSEST VA DTG: 30/1650ZEST VA CLD: SFC/FL140 N1446 W09132 - N1445 W09132- N1442 W09141 - N1444 W09141 - N1446 W09132 MOVW 10KT FCST VA CLD +6HR: 30/2300Z SFC/FL140 N1446 W09132- N1445 W09132 - N1439 W09138 - N1441 W09140 -N1446 W09132 FCST VA CLD +12HR: 31/0500Z SFC/FL140 N1446W09132 - N1445 W09132 - N1438 W09138 - N1440W09140 - N1446 W09132 FCST VA CLD +18HR: 31/1100Z SFC/FL140 N1446W09133 - N1445 W09132 - N1438 W09138 - N1441W09140 - N1446 W09133 RMK: VA EMS NOT DETECTED IN STLT IMG. VA EMSLIKELY CONT. WSW MVMT TO SHIFT SW BY T+6. FCSTBASED ON MDL WINDS. ...GATLINGNXT ADVISORY: WILL BE ISSUED BY 20261030/2330Z