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; explosions averaged 15 per day during 9-15 April.
Seismicity was dominated by long-period events, with signals indicating emissions.
Gas-and-ash plumes rose as high as 2.2 km above the crater rim and drifted 30 km NW and SW.
Minor ashfall was reported in Huambo and Cabanaconde.
The MIROVA system detected three thermal anomalies.
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)