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Rincon de la Vieja volcano (Costa Rica) - Smithsonian / USGS Weekly Volcanic Activity Report for 5 January-11 January 2022 (Continuing Activity)

Wed, 5 Jan 2022, 15:42
15:42 PM | BY: VN
OVSICORI-UNA reported that multiple eruptive events were recorded at Rincón de la Vieja on 5 January, though most of them were small. A notable explosion at 1833 ejected incandescent material above the crater rim that was visible in webcam images for about 30 seconds. Darkness obscured views of a plume and no ash was visible in satellite images.
Residents reported hearing a loud explosion and sounds indicating active lahars; lahars in the Penjamo and Azufrado rivers reached residential areas within 50 minutes of the event. An eruptive event was recorded at 1858 on 10 January, though cloud cover prevented visual confirmation.

Source: Observatorio Vulcanologico y Sismologico de Costa Rica-Universidad Nacional (OVSICORI-UNA)
From: Global Volcanism Program, 2022. Report on Rincon de la Vieja. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 5 January-11 January 2022. Smithsonian Institution and US Geological Survey.

Previous news

Wed, 29 Dec 2021, 16:26
OVSICORI-UNA reported that at 1437 on 1 January a small eruption at Rincón de la Vieja produced a plume that rose 50 m above the crater rim. A small eruption was recorded by the seismic network at 0431 on 4 January, though weather clouds prevented visual confirmation. The amplitude of the seismic signal was similar to those recorded for events occurring in the previous few weeks. ... Read all
Wed, 22 Dec 2021, 13:44
OVSICORI-UNA reported that at 1015 on 25 December a small eruption at Rincón de la Vieja was recorded for about four minutes but not visually observed due to weather clouds. Rains after the event and continuing early on 26 December washed the acidic sediment deposited from the volcano downstream in the Pénjamo, Azul, and Azufrada drainages, into the aquatic ecosystem. Phreatic events were recorded at 1402 and 1630 on 28 December though weather conditions prevented visual confirmation. ... Read all
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