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Santa Maria volcano (Guatemala) - Smithsonian / USGS Weekly Volcanic Activity Report for 24 March-30 March 2021 (Continuing Activity)

Wed, 24 Mar 2021, 06:00
06:00 AM | BY: VN
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.
Block avalanches were also observed on the E and S flanks; ashfall was reported in San Marcos (8 km SW) and Loma Linda Palajunoj (6 km WSW) on 25 and 27 March. Minor pyroclastic flows were reported on 28 March.

Source: Instituto Nacional de Sismologia, Vulcanologia, Meteorologia, e Hidrologia (INSIVUMEH)
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From: Global Volcanism Program, 2021. Report on Santa Maria. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 24 March-30 March 2021. Smithsonian Institution and US Geological Survey.

Previous news

Wed, 24 Feb 2021, 06:00
INSIVUMEH reported that during 23 February-2 March explosions at Santa María's Santiaguito lava-dome complex generated ash plumes that rose as high as 1 km above the complex. Collapses of blocky lava from the Caliente dome sent avalanches mainly down the SW flank, often reaching the base of the complex. Minor pyroclastic flows were occasionally generated. ... Read all
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