Eruption at Piton de la Fournaise volcano, Reunion

A new eruption started at Piton de la Fournaise volcano, Reunion at around 23:30 UTC on December 21, 2021. The alert level was raised to 2-1. Trails in the upper part of the summit were closed for the public.

The seismic crisis started at around 21:15 UTC, suggesting magma is rising toward the surface. Just a few minutes before the eruption started, instruments at the volcano recorded rapid ground deformation.

By 23:30 UTC (03:30 LT on December 22), three eruptive fissures opened on the volcano’s southern flank, followed by fourth several hours later.1

At 03:30 UTC on December 22, the most important activity was on the lowest fissure at an altitude of 2 km (1.2 miles).

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