AVO Cleveland YELLOW/ADVISORY – Unrest continues; satellite observations obscured by clouds.

Sep 10, 2019 20:12 – Satellite images show highly elevated surface temperatures in the summit crater during periods of good weather over the past day. Local seismic data is out but no activity was detected by regional seismic data or infrasound arrays during the last 24 hours.

Episodes of lava effusion and explosions can occur without advance warning. Explosions from Cleveland are normally short duration and only present a hazard to aviation in the immediate vicinity of the volcano. Larger explosions that present a more widespread hazard to aviation are possible, but are less likely and …