Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 9 March-15 March 2022 (Continuing Activity)
jeu., 17 mars 2022, 09:54 09:54 AM | AUTEUR : VN
AVO reported that low-level eruptive activity at Semisopochnoi's North Cerberus cone continued during 8-15 March. Seismic tremor and sometimes numerous daily explosions were detected in seismic and regional infrasound data. Minor ash emissions were visible in webcam images during 8-9 and 14-15 March; likely plumes on other days may have been hidden due to clouds.The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch.
Source: US Geological Survey Alaska Volcano Observatory (AVO)
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From: Global Volcanism Program, 2022. Report on Semisopochnoi. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 9 March-15 March 2022. Smithsonian Institution and US Geological Survey.
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mer., 9 mars 2022, 19:00
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