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Santa Maria volcano (Guatemala) - Smithsonian / USGS Weekly Volcanic Activity Report for 7 October-13 October 2020 (Continuing Activity)

Wed, 7 Oct 2020, 06:00
06:00 AM | BY: VN
INSIVUMEH reported that during 7-13 October lava extrusion at Santa María's Santiaguito lava-dome complex generated block-and-ash flows that descended the W, SW, S, and SE flanks, sometimes reaching the base of Caliente cone. Explosions generated ash plumes that rose as high as 1 km above the summit and drifted as far as 10 km NW, W, and SW. The lava dome was incandescent most nights, sometimes for prolonged periods of time.

Source: Instituto Nacional de Sismologia, Vulcanologia, Meteorologia, e Hidrologia (INSIVUMEH)
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From: Global Volcanism Program, 2020. Report on Santa Maria. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 7 October-13 October 2020. Smithsonian Institution and US Geological Survey.

Previous news

Mon, 21 Sep 2020, 07:37
Pyroclastic flow and phoenix cloud from Santiaguito volcano on 15 September (image: INSIVUMEH)
The activity of the volcano has remained essentially unchanged at elevated levels during the previous months characterized by pyroclastic flows and new period of extrusion of the dome blocks. ... Read all
Wed, 26 Aug 2020, 06:00
INSIVUMEH reported that during 26 August-1 September explosions at Santa María's Santiaguito lava-dome complex generated ash plumes that rose as high as 1 km above the crater and drifted as far as 1 km W and SW. Block avalanches descended multiple flanks of Caliente cone; some reached the base of the cone and were sometimes accompanied by small pyroclastic flows. The lava dome was incandescent most nights, sometimes for prolonged periods of time. ... Read all
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