Bristol volcano (South Sandwich Islands, UK): activity continues, maybe new cinder cone forming
Wed, 1 Jun 2016, 14:39 14:39 PM | BY: T
Eruptive activity continues at the remote volcano and might have become more intense recently.
Bristol island volcano on 26 May, showing a dark spot in its NW center, possibly a new cinder cone (image: Aqua/MODIS/NASA via South Sandwich Islands Volcano Monitoring Blog)
Satellite images from past days show ash emissions that appear stronger and more regular than earlier on, drifting into northeasterly directions. Also, recent imagery shows a dark patch on the island itself, near the summit, which could be a new cinder cone and/or associated lava flows.
According to the South Sandwich Islands Volcano Monitoring Blog's latest update, the recent satellite images "show some faintly dark lines suggesting the presence of lava flows and also a dark patch just west-northwest of the Mount Sourabaya area."
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Wed, 1 Jun 2016, 06:00
Bristol Island volcano (South Sandwich Islands, UK) - Smithsonian / USGS Weekly Volcanic Activity Report for 1 June-7 June 2016 (New Activity / Unrest)
The Buenos Aires VAAC reported that weather clouds mostly prevented satellite observations of Bristol Island's Mt. Sourabaya during 1-6 June, though a thermal anomaly was detected during 1-2 and 5-6 June. ... Read all
Wed, 25 May 2016, 06:00
Bristol Island volcano (South Sandwich Islands, UK) - Smithsonian / USGS Weekly Volcanic Activity Report for 25 May-31 May 2016 (New Activity / Unrest)
According to NASA's Earth Observatory, a Moderate Resolution Imaging Spectroradiometer (MODIS) satellite image of Bristol Island acquired on 28 May showed an ash plume from Mt. Sourabaya drifting NE. Based on satellite image analysis, the Buenos Aires VAAC reported that during 29-31 May gas plumes with possible minor ash content drifted as far as 185 km N, NNE, and SE at an altitude of 1.5 km (5,000 ft) a.s.l. ... Read all