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Santa Maria volcano (Guatemala) - Smithsonian / USGS Weekly Volcanic Activity Report for 12 May-18 May 2021 (Continuing Activity)

Wed, 12 May 2021, 06:00
06:00 AM | BY: VN
INSIVUMEH reported that on 15 May lahars descended Santa María's Cabello de Ángel (a tributary of Nimá I) drainage, carrying tree trunks, branches, and blocks 1-3 m in diameter. The lahars reached the El Faro estate. The next day lahars descended the Cabello de Ángel and Nimá I drainages carrying blocks up to 1 m in diameter.
The lahars were 25 m wide and 1 m deep, and had a sulfur odor.

Source: Instituto Nacional de Sismologia, Vulcanologia, Meteorologia, e Hidrologia (INSIVUMEH)
From: Global Volcanism Program, 2021. Report on Santa Maria. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 12 May-18 May 2021. Smithsonian Institution and US Geological Survey.

Previous news

Wed, 5 May 2021, 06:00
INSIVUMEH reported that during 4-11 May daily explosions at Santa María's Santiaguito lava-dome complex generated ash plumes that rose as high as 1.1 km above the summit and drifted W, SW, and S. Collapses of blocky lava from Caliente dome sent avalanches down the SE, S, SW, and W flanks, sometimes reaching the base, and causing minor ashfall around the volcano. Ashfall was also reported in San Marcos (8 km SW) and Loma Linda Palajunoj (6 km WSW) during 5-6 and 10-11 May. ... Read all
Wed, 24 Mar 2021, 06:00
INSIVUMEH reported that during 24-30 March weak explosions at Santa María's Santiaguito lava-dome complex generate ash plumes that rose to 2.8-3.4 km (9,000 ft-11,000 ft) a.s.l. and drifted W, NE, SW. Collapses of blocky lava from the Caliente dome sent avalanches on the S and SW flank of the Caliente dome, causing minor ashfall around the volcano. ... Read all
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