Based on a decline in activity at Cleveland over the past month, AVO earlier today lowered the Level of Concern Color Code to YELLOW and the Alert Level to ADVISORY. Nothing of note was observed in web camera and satellite views of the volcano over the past day. No significant events were detected in seismic or infrasound (pressure sensor) data.
October 15, 2015. Cleveland, Alaska:
52 ° 49’20 « N 169 ° 56’42« W,
Summit Elevation 5676 ft (1730 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW
Source : AVO
Photo : Lyons, John