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Piton de la Fournaise volcano (Reunion Island, France) - Smithsonian / USGS Weekly Volcanic Activity Report for 29 December-4 January 2022 (New Activity / Unrest)

Wed, 29 Dec 2021, 16:25
16:25 PM | BY: VN
OVPF reported that the eruption at Piton de la Fournaise continued during 29 December 2021 to 4 January 2022. Weather clouds often obscured views of the vent, though visual observations were made daily. Low lava fountaining, with material rarely rising just above the crater rim, was visible on 29 December.
A small mound with a vent that had grown at the base of the main cone was producing gas emissions, and lava advanced through a tube. Lava fountaining was slightly more intense during 30 December 2021 to 3 January 2022, with lava more frequently rising above the crater rim. Several breakouts of lava from the tube were noted downstream of the vent.
The lava effusion rate was an estimated 2.3-9 meters per second, with peak rates of 21 meters per second, based on satellite data. Activity at the main cone decreased during 3-4 January. Lava flows within the first 100 m from the cone were an estimated 15 m thick.
The flow field continued to widen but had not significantly lengthened.

Source: Observatoire Volcanologique du Piton de la Fournaise (OVPF)
From: Global Volcanism Program, 2021. Report on Piton de la Fournaise. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 29 December-4 January 2022. Smithsonian Institution and US Geological Survey.

Previous news

Tue, 28 Dec 2021, 01:26
Ground deformation at Piton de la Fournaise volcano (image: OVPF)
No significant change in the activity has occurred during the past 24 hours and the effusive eruption has remained essentially unchanged. ... Read all
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