2 spots left on Iceland Geo Tour 16-30 July 2022

Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 18 May-24 May 2022 (Continuing Activity)

jeu., 26 mai 2022, 09:09
09:09 AM | AUTEUR : VN
AVO reported that low-level eruptive activity at Semisopochnoi's North Cerberus cone continued during 17-24 May. Seismicity continued to be elevated with intermittent tremor and several daily explosions recorded by infrasound and seismic instruments. Low-level ash emissions were visible in clear satellite images and webcam views; clouds sometimes obscured views towards the end of the week.
A sulfur dioxide plume drifted 240 km N during 17-18 May, and sulfur dioxide emissions were detected during 23-24 May. 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 18 May-24 May 2022. Smithsonian Institution and US Geological Survey.

Actualités précédentes

dim., 22 mai 2022, 12:05
Semisopochnoi volcano hypothetical ashcloud forecast. Photo Credit: AVO.
Low-level eruptive activity continues. ... Read all
mer., 18 mai 2022, 17:52
AVO reported that low-level eruptive activity at Semisopochnoi's North Cerberus cone continued during 10-17 May. Seismicity continued to be elevated with intermittent tremor detected by the seismic network. Several daily explosions were recorded in infrasound and seismic data. ... Read all
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