AVO Cleveland YELLOW/ADVISORY – Elevated surface temperatures from summit crater; no eruptive activity observed.

Aug 9, 2019 23:04 – Conditions have been cloudy, obscuring most views of the crater this past week. However, occasional weakly elevated surface temperatures were observed through thin cloud over. No eruptive activity was detected in regional seismic or infrasound data.

Additional episodes of lava effusion and explosions are likely and will occur without advance warning. The most recent explosion of Cleveland occurred on January 9, 2019. These explosions are normally short duration and only present a hazard to aviation in the immediate vicinity of the volcano. Larger explosions that …