Observatorio Vulcanológico del Sur del IGP (OVS-IGP) and Observatorio Vulcanológico del INGEMMET (OVI) reported that explosive activity at Sabancaya was similar to the previous week; there was an average of 18 explosions recorded per day during 5-11 February.
Seismicity was dominated by long-period events, with signals indicating emissions.
Gas-and-ash plumes rose 3.9 km above the crater rim and drifted 50 km NW, SW, S, and SE.
The MIROVA system detected three thermal anomalies.
The sulfur dioxide flux was high, at 2,062 tons per day on 10 February.
The report noted that the public should not to approach the crater within a 12-km radius.
Sources: Instituto Geofísico del Perú (IGP),Instituto Geológico Minero y Metalúrgico (INGEMMET)