The Alaska Volcano Observatory (AVO) raised the Aviation Color Code for Shishaldin volcano to ORANGE and the Alert Level to WATCH on October 17, 2019. Satellite observations indicated that a lava effusion event began on October 13 and is likely continuing. The…
The Alaska Volcano Observatory (AVO) has raised the Aviation Color Code from Yellow to Orange and the Alert Level from Advisory to Watch at Shishaldin volcano on July 24, 2019. The last eruption of this volcano took place in 2015 (VEI 1). Field crews reported an…
The Alaska Volcano Observatory is raising the Aviation Color Code to YELLOW and the Alert Level to ADVISORY at Shishaldin Volcano, the observatory said 21:09 UTC on July 12, 2019. The last eruption of this volcano took place in 2015 (VEI 1). This change is based on…
Due to increased seismic and infrasound activity recorded over the past few weeks at Shishaldin volcano, the Alaska Volcano Observatory (AVO) raised the Aviation Color Code for the volcano to Yellow and the Alert Level to Advisory on Wednesday, December 6, 2017. The…
The Alaska Volcano Observatory raised the Aviation Color Code to ORANGE and Alert Level to WATCH at Shishaldin Volcano on March 28, 2014. Elevated surface temperatures were detected in satellite data beginning on March 18 and have persisted to the present
The Alaska Volcano Observatory reported on January 30 that it raised the Aviation Color Code to YELLOW and the Alert Level to ADVISORY at Shishaldin Volcano.
The decision was based on satellite observations of increased surface temperatures in the summit
