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Shishaldin volcano (Fox Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 18 September-24 September 2019 (Continuing Activity)

Wed, 18 Sep 2019, 06:00
06:00 AM | BY: VN
AVO reported that during 18-24 September low-level tremor at Shishaldin continued to be recorded, along with elevated surface temperatures at the summit crater visible in satellite images when views were not obscured by clouds. The data suggested ongoing, slight growth of the scoria cone and lava flows within the summit crater. 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, 2019. Report on Shishaldin. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 18 September-24 September 2019. Smithsonian Institution and US Geological Survey.

Previous news

Wed, 11 Sep 2019, 06:00
Low-level lava fountaining and minor explosive activity within Shishaldin's summit crater was last observed on 17 August and likely continued during 11-17 September; continuous tremor was recorded by the seismic network and elevated surface temperatures were visible in satellite images. The webcam possibly recorded a steam emission on 16 September. The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch. ... Read all
Wed, 4 Sep 2019, 06:00
Low-level lava fountaining and minor explosive activity within Shishaldin's summit crater was last observed on 17 August and likely continued during 4-10 September; continuous tremor was recorded by the seismic network and moderately-elevated surface temperatures were visible in satellite images. Elevated surface temperatures on the upper SE flank suggested that minor amounts of lava spatter may have extended beyond the summit crater; clear webcam images showed no evidence of hot deposits on the upper flank the next day. The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch. ... Read all
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