AVO Great Sitkin YELLOW/ADVISORY – No eruptive activity observed; seismicity remains elevated
Jan 12, 2019 19:51 – Unrest continues at Great Sitkin volcano. Small earthquakes are occurring….
Yellow
AVO Cleveland YELLOW/ADVISORY – Unrest continues. No significant activity observed in seismic or satellite data
Jan 12, 2019 19:51 – No eruptive activity detected or observed in seismic or infrasound…