AVO Bogoslof YELLOW/ADVISORY - Unrest continues; no significant activity in geophysical or satellite data.
Nov 5, 2017 19:39 - Low-level unrest at Bogoslof Volcano continues. No significant volcanic activity was observed in mostly cloudy satellite views, or detected in seismic or infrasound data from sensors located on neighboring islands, over the past 24 hours. Bogoslof volcano remains in an unpredictable condition. Activity can escalate quickly with explosions producing high-altitude (>15,000 ft) volcanic clouds with little to no detectable precursory activity. Some previous explosions have been preceded by an increase in earthquake activity that allowed for short-term forecasts of imminent ...