AVO Spurr GREEN/NORMAL – Low-level unrest continues at Mount Spurr; seismic activity and ground deformation ongoing.

Oct 9, 2024 21:21 – Summary Seismic, ground deformation, and satellite data from Mount Spurr indicate that the low-level unrest first detected by the Alaska Volcano Observatory (AVO) in the spring of 2024 is ongoing. The elevated rate of small earthquakes at the volcano has been mostly steady since April 2024. The largest magnitude earthquake to date was a M2.3. Ground deformation measured with a local network of GNSS receivers has indicated steady movement upward and outward since March 2024.A small lake formed in the summit crater of Mount Spurr in early summer 2024 from melting ice. The …