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Fuego volcano (Guatemala) - Smithsonian / USGS Weekly Volcanic Activity Report for 20 March-26 March 2019 (Continuing Activity)

mer., 20 mars 2019, 06:00
06:00 AM | AUTEUR : VN
On 22 March INSIVUMEH reported that activity at Fuego had increased during the previous few days. There were 15-20 explosions per hour producing ash plumes that rose as high as 1.3 km above the summit and drifted 20-30 km E, SE, S, SW, and W. Ashfall was reported in communities downwind including La Rochela, Ceylán, San Andrés Osuna, Las Palmas, Siquinalá, and Santa Lucia Cotzumalguapa (23 km SW).
Shock waves vibrated residential structures within 20 km. The explosions also caused avalanches of material from the crater that traveled down the Seca (W), Ceniza (SSW), Taniluyá (SW), Trinidad (S), Las Lajas (SE), and Honda ravines. In the evening on 21 March and early morning hours of 22 March lava fountains rose 350 m above the summit.



During 23-26 March explosions occurred at a rate of 15-25 per hour, generating ash plumes that rose as high as 1.2 km and drifted 15-20 km W, S, and SE. Explosions sometimes vibrated nearby residences. Incandescent material was ejected 200-300 m high and caused avalanches of material that traveled down Seca, Taniluyá, Ceniza, Trinidad, Las Lajas, and Honda ravines, sometimes reaching vegetated areas.
Ashfall as reported in areas downwind including Panimache I (8 km SW), Morelia (8 km SW), Santa Sofia (12 km SE), La Rochela, and San Andrés Osuna.

Source: Instituto Nacional de Sismologia, Vulcanologia, Meteorologia, e Hidrologia (INSIVUMEH)
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From: Global Volcanism Program, 2019. Report on Fuego. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 20 March-26 March 2019. Smithsonian Institution and US Geological Survey.

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