AVO Bogoslof YELLOW/ADVISORY - Unrest continues; no significant activity in geophysical or satellite data.
Nov 9, 2017 21:14 - Low-level unrest at Bogoslof Volcano continues. Nothing significant was observed in cloudy satellite images over the past day. Nothing noteworthy was 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 ...