Observatorio Vulcanológico del Sur del IGP (OVS-IGP) and Observatorio Vulcanológico del INGEMMET (OVI) reported that an average of 18 explosions per day occurred at Sabancaya during 5-11 November.
Hybrid earthquakes were infrequent and of low magnitude.
Gas-and-ash plumes rose as high as 3.7 km above the crater rim and drifted 40 km N, NW, and W.
MIROVA detected seven thermal anomalies, and on 8 November the sulfur-dioxide gas flux was high at 2,500 tons per day.
The report noted that the public should not approach the crater within a 12-km radius.
Sources: Instituto Geofísico del Perú (IGP),Instituto Geológico Minero y Metalúrgico (INGEMMET)