Semisopochnoi volcano (Aleutian Islands): Volcanic Alert Level lowered to Yellow
Thu, 17 Jun 2021, 18:1118:11 PM | BY: MARTIN
The Alaska Volcano Observatory (AVO) decided to lower the alert level for the volcano to "yellow", as the seismic activity has continued at low levels accompanied by no ash emissions or explosions since 30 May.
Satellite view of Semisopochnoi volcano on 8 June (image: Sentinel 2)
Satellite views over the past few weeks have detected elevated surface temperatures and sulfur dioxide emissions were observed on several occasions.
Source: Alaska Volcano Observatory volcano activity update 17 June 2021
Tue, 1 Jun 2021, 12:56