Fagradalsfjall volcano (Iceland) - Smithsonian / USGS Weekly Volcanic Activity Report for 2 August-8 August 2023 (Continuing Activity)
Wed, 9 Aug 2023, 14:00 | BY: VN
At 1706 on 5 August IMO lowered the Aviation Color Code for Fagradalsfjall to Yellow (the second level on a four-color scale), noting that the eruption had declined during the previous few days and very minor activity at the crater was visible in webcam images. Tremor had decreased during the previous 36 hours and reached background levels by 1500 on 5 August. Gas plumes had typically risen 1-2 km above the vent, though on 1 August plumes rose more than 2.5 km, and according to news articles, a notable amount of fume rose from the vent on 4 August.The crater had become deeper and smaller by 4 August. Activity was last seen on 5 August and a thermal anomaly in the crater was last identified in satellite images on 6 August.
Sources: Icelandic Meteorological Office (IMO), Icelandic National Broadcasting Service (RUV), Icelandic National Broadcasting Service (RUV)
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From: Global Volcanism Program, 2023. Report on Fagradalsfjall. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 2 August-8 August 2023. Smithsonian Institution and US Geological Survey.
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