INSIVUMEH reported that during 8-9 January, multiple explosions (3-5 per hour) from Fuego produced ash plumes that rose to altitudes of 4.3-5.4 km (14,100-17,700 ft) a.s.l. and drifted 10-15 km S and SW. The explosions produced rumbling sounds and shock waves that were detected 10-15 km away. Ashfall was reported in areas downwind. Constant avalanches of blocks descended the S and SW flanks. Based on analysis of satellite imagery and information from the Tegucigalpa MWO, the Washington VAAC reported that on 10 January a diffuse plume drifted W.
Sources: Instituto Nacional de Sismologia, Vulcanologia, Meteorologia, e Hidrologia (INSIVUMEH), Washington Volcanic Ash Advisory Center (VAAC) – “Report provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”