AVO Bogoslof ORANGE/WATCH - Unreat continues. Lava effusion observed.
Jun 9, 2017 21:25 - The eruption of Bogoslof volcano continues. This week marked a change in activity at the volcano, with the appearance of a lava dome that breached the surface of the ocean on or around June 6. This is the first observation of lava at the surface since the start of the eruption sequence that began in mid-December 2016. The dome was estimated to be 110 m in diameter on Wednesday, June 7 and has grown to a diameter of 160 m as of this morning, June 9. Dome growth may be continuing at present, but we are unlikely to observe many of the seismic signals associated with lava ...