AVO Shishaldin YELLOW/ADVISORY – Low-level unrest continues. Slightly elevated seismicity observed.

May 27, 2024 20:35 – Unrest at Shishaldin Volcano continues. Small, low-frequency earthquakes and tremor occurred throughout the day. Satellite views were clear to partly cloudy; no unrest was observed. Clear web camera views yesterday showed minor vapor emissions at the summit. Sulfur dioxide was observed in satellite data at 23:32:01 UTC, May 26, 2024.Minor rock falls associated with collapse events from the unstable ground in and near the summit crater may occur. The collapse events can generate small clouds of dust likely composed of fine-grained ash. The diffuse dust clouds dissipate …