Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 19 January-25 January 2022 (Continuing Activity)
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.
Wed, 26 Jan 2022, 19:4319:43 PM | BY: VN
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)
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.
Wed, 26 Jan 2022, 03:51
The Alaska Volcano Observatory (AVO) surveillance camera's observed continuous low-level ash emissions from the Mount Cerberus occurred yesterday morning. ... Read all
Tue, 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