Semisopochnoi (United States) - Report for 17 November-23 November 2021

AVO reported that eruptive activity at Semisopochnoi's North Cerberus crater continued during 17-23 November.
Daily minor explosions were detected in seismic and infrasound data.
Small ash plumes rising no higher than 3 km (10,000 ft) a.s.l.
likely continued to be emitted, though weather clouds obscured satellite and webcam views of the volcano on most days.
The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch.

Source: US Geological Survey Alaska Volcano Observatory (AVO)

Fonte/Source: Global Volcanism Program/Smithsonian Institution

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