AVO Cleveland ORANGE/WATCH - Unrest continues; small explosion over past day seen in seismic and infrasound data.
Nov 14, 2017 22:16 - Unrest at Cleveland volcano continues. Nothing significant was observed in partly cloudy satellite images over the past day. Local seismic and infrasound sensors recorded a small explosion today at 12:15 UTC (03:15 AKST). A few small earthquakes were also recorded at the volcano during the last 24 hours. No other significant activity was detected. Lava domes that have been erupted at Cleveland volcano since 2001 have all been destroyed by explosive activity within weeks to months after lava effusion. These explosions typically produce relatively small volcanic ash ...