AVO Bogoslof ORANGE/WATCH - Heightened unrest continues.
Aug 12, 2017 19:35 - No seismic, infrasound or lightning signals were detected from Bogoslof in the past day. No activity was observed in cloudy satellite images. The Aviation Color Code remains at ORANGE and the Alert Level remains at WATCH. Bogoslof volcano remains at a heightened state of unrest and in an unpredictable condition. Activity can escalate quickly with additional 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 ...