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Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 19 January-25 January 2022 (Continuing Activity)

Mi, 26. Jan 2022, 19:43
19:43 PM | VON: VN
AVO reported that low-level eruptive activity at Semisopochnoi's North Cerberus cone continued during 18-25 January. Seismicity was elevated, characterized by periods of tremor and low-frequency earthquakes. Steam emissions were periodically visible in webcam images during 18-19 January and minor explosions were recorded by local seismic and infrasound sensors on 19 January.
Steam and low-level ash emissions were visible in webcam and satellite images during 20-25 January. Daily explosions were recorded during 21-25 January, and elevated surface temperatures were identified in satellite data during 22-23 January. 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 19 January-1 February 2022. Smithsonian Institution and US Geological Survey.

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Mi, 26. Jan 2022, 03:51

Semisopochnoi volcano (Aleutian Islands): low-level activity continues

Tephra from Semisopochnoi volcano partially covered the fresh snow this morning (image: AVO)
The Alaska Volcano Observatory (AVO) surveillance camera's observed continuous low-level ash emissions from the Mount Cerberus occurred yesterday morning. ... Read all
Di, 18. Jan 2022, 14:16

Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 12 January-18 January 2022 (Continuing Activity)

AVO reported that low-level eruptive activity and elevated seismicity at Semisopochnoi's North Cerberus cone continued during 12-18 January. A small explosion was recorded by local seismic and infrasound sensors during 12-13 January. The weather was mostly cloudy, though low-level ash clouds were occasionally visible in webcam images during 12-15 January. ... Read all
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Stratovolcano 1221 m / 4,006 ft
United States, Aleutian Islands, 51.93°N / 179.58°E
Aktueller Status: Schwache Aktivität oder Ausbruchswarnung (3 von 5) Ausbrüche des Semisopochnoi:
2021, 2020, 2019, 2018, 1987
Typische Aktivität
unspecified
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