Sangay, Ecuador

Based on observations of satellite imagery and pilot reports, the Washington VAAC reported that an ash plume from Sangay rose to an altitude of 6.1 km (20,000 ft) a.s.l. on 26 December and drifted SW. A thermal anomaly was seen on satellite imagery during 26-27 December.

Source: Washington Volcanic Ash Advisory Center (VAAC) - “Reports provided [...]