AVO downgraded the status of Shishaldin Volcano from aviation color code ORANGE to YELLOW and from volcano alert level WATCH to ADVISORY today. No anomalous activity at Shishaldin has been observed in satellite data since weakly elevated surface temperatures were detected on October 16. Low-amplitude seismic tremor continues but is not considered to be indicative of an active eruption.
AVO will continue to monitor Shishaldin with satellite, seismic and infrasound (pressure sensor) data.
November 21, 2015. Shishaldin, Alaska :
54°45’19 » N 163°58’16 » W,
Summit Elevation 9373 ft (2857 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW
Source : AVO.
Photo : Werner, Cindy