CENAPRED reported that emissions of steam-and-gas from Popocatépetl were visible during 30 December-1 January. On 31 December, a 13-minute-long high-frequency tremor event was followed by an emission of a plume with low ash content. The plume rose to an altitude of 7.4 km (24,300 ft) a.s.l. and drifted E and SE.
Sources: Centro Nacional de Prevencion de Desastres (CENAPRED) , Washington Volcanic Ash Advisory Center (VAAC) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”