Volcanic activity report for Bogoslof (United States), 13 September-19 September 2017
Source: US Geological Survey Alaska Volcano Observatory (AVO)
AVO reported that during 13-19 September nothing significant was observed in partly to mostly cloudy satellite images of Bogoslof, and no activity was detected in seismic or infrasound data. Weakly elevated surface temperatures were identified in satellite images during 13-14 and 16-17 September, indicating ongoing unrest. On 17 September discolored ocean water was visible in satellite data, possibly representing outflow from the crater. The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch.