|Start:||June 26, 2009 ± 2 Hours||Observed|
|Stop:||June 26, 2009 ||Observed|
|Tephra plume: ||
|ColHeight: ||4570 m |
|Eruption Product: || unknown |
On Thursday, June 25, 2009, a small eruption at Cleveland volcano was noted in satellite imagery. An ash plume was seen in satellite images from 1915 UTC (11:15 AKDT). The plume had detached from the volcano and was moving south. The estimated plume height was less than 15,000 feet above sea level.
At 2 p.m. AKDT, AVO raised the Aviation Color Code to ORANGE and the the Alert Level to WATCH, from UNASSIGNED.
On June 27, citing lack of further reports of activity at Cleveland, AVO downgraded Cleveland to color code YELLOW and alert level ADVISORY. With no further reports of activity, Cleveland was lowered again to UNASSIGNED on July 15, 2009.