AVO Bogoslof ORANGE/WATCH - No significant activity in seismic, infrasound or satellite data.
May 18, 2017 20:19 - Satellite observations showed that the recent eruption at 22:32 AKDT 05/16/2017 altered the northern coastline of the island. The crater lake is now breached with a 550 meter-wide gap along the north shore and the northeast shore has been extended 300 m from new tephra deposits. No other significant volcanic activity was observed at Bogoslof volcano in seismic, infrasound, or satellite data over the past day. Bogoslof volcano remains at a heightened state of unrest and in an unpredictable condition. Activity may ramp back up with additional explosions producing ...