SERNAGEOMIN lowered the Alert Level for Cerro Hudson to Green (the lowest level on a four-color scale) on 7 September, based on decreased activity. Neither morphological changes nor thermal anomalies were visible in satellite images or webcam views during 16-31 August. Seismicity remained low and sulfur dioxide emissions were not recorded.
Source: Servicio Nacional de Geologï¿½a y Minerï¿½a (SERNAGEOMIN)
Syndicated from Smithsonian / USGS Weekly Volcanic Activity Report