• Explosive eruption at Bogoslof volcano, Alaska

    A significant explosive eruption began at Bogoslof stratovolcano at 02:08 UTC on February 20, 2017, and lasted about 37 minutes. Satellite images following the activity showed a volcanic plume extending about 160 km (100 miles) to the southeast over Unalaska Island…

  • Significant explosive eruption at Bogoslof volcano, Alaska

    A significant explosive eruption began at Bogoslof volcano at about 16:24 UTC on February 13, 2017. The eruption is indicated in seismic data, the Alaska Volcano Observatory said. Although at this time there has been no lightning detected, nor satellite images…

  • Bogoslof ejects ash more than 9.5 km (31 000 feet) a.s.l., Alaska

    Alaskan Bogoslof volcano erupted again at about 22:20 UTC on January 18, 2017, following an approximately 20-minute-long increase in seismic activity. The cloud it ejected is presumably more ash-rich than others in current eruptive sequence. Alaska Volcano…

  • New eruption at Bogoslof, Aviation Color Code remains Red

    The Alaska Volcano Observatory (AVO) reports another explosion took place at Bogoslov volcano today. The volcanic ash cloud may have reached as high as 10 km (33 000 feet) above sea level. The eruption took place at 06:18 UTC on January 4, 2017, but there are no…

  • Fourth explosive eruption at Bogoslov volcano, Alaska

    Bogoslof volcano in the Aleutian Islands of Alaska remains in a state of elevated unrest following the fourth explosive eruption since the current eruptive sequence began on December 21, 2016. Retrospective analysis of seismic, infrasound, and satellite data…

  • Unexpected, powerful eruption of Bogoslof volcano, Alaska

    An unexpected, powerful eruption of Bogoslof volcano, Alaska occurred at about 00:35 UTC on December 21, 2016. The eruption lasted about 30 minutes and sent volcanic ash to an estimated altitude of 10.3 km (34 000 feet) above sea level. The Aviation Color Code was…