Santa María, Guatemala

Based on observations of satellite imagery, the Washington VAAC reported that an ash plume from Santa María’s Santiaguito lava dome complex rose to an altitude of 5.2 km (17,000 ft) a.s.l. and drifted SW on 21 December.

Source: 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.”