Observatorio Vulcanológico del Sur del IGP (OVS-IGP) and Observatorio Vulcanológico del INGEMMET (OVI) reported that explosions at Sabancaya averaged 24 per day during 1-7 October.
Hybrid earthquakes were infrequent and of low magnitude.
Gas-and-ash plumes rose as high as 3 km above the crater rim and drifted 50 km SE, S, and SW.
Ashfall was reported in Huanca (75 km SSE).
The MIROVA system detected five thermal anomalies, and on 1 October the sulfur dioxide gas flux was high at 5,027 tons/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)