Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 6 July-12 July 2022 (Continuing Activity)
AVO reported ongoing low-level seismicity, steam emissions, and sulfur dioxide emissions at Semisopochnoi, though no explosive activity had been detected since 12 June. The Aviation Color Code was lowered to Yellow and the Volcano Alert Level was lowered to Advisory on 7 July.
mer., 13 juil. 2022, 14:0014:00 PM | AUTEUR : VN
Source: US Geological Survey Alaska Volcano Observatory (AVO)
From: Global Volcanism Program, 2022. Report on Semisopochnoi. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 6 July-12 July 2022. Smithsonian Institution and US Geological Survey.
ven., 8 juil. 2022, 18:42
The Alaska Volcano Observatory (AVO) reduced The Aviation Color Code and Volcano Alert Level to "yellow/advisory", as no ash emissions or explosive eruption at the volcano have been registered since 12 June. ... Read all
mer., 6 juil. 2022, 14:00
Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 29 June-5 July 2022 (Continuing Activity)
AVO reported that low-level eruptive activity at Semisopochnoi's North Cerberus cone likely continued during 29 June-5 July. Seismicity was quiet. Weather clouds often prevented satellite and webcam views; sulfur dioxide emissions were detected in satellite images on 28 and 30 June. ... Read all