New fissure eruption at Piton de la Fournaise, Reunion


A brand new fissure eruption began at Piton de la Fournaise, defend volcano situated on the japanese aspect of Réunion island within the Indian Ocean. That is its third eruption of the yr. The 2 earlier occurred in April 2018. The alert degree is at 2-2.

The eruption started at 01:30 UTC on July 13, after steadily rising seismicity registered since 22:00 UTC, July 12.

Based on the Piton de la Fournaise Volcano Observatory (OVPF), 4 fissures, roughly 1 km (zero.62 miles) lengthy, opened on the northern flank of the volcano, contained in the central caldera of the volcano.

The eruption of Piton de la Fournaise on July 13, 2018. Credit score: OVPF

Since this space is uninhabited, the eruption poses no hazard for the inhabitants. 

The Sainte-Rose Coupé path is at the moment closed to pedestrian site visitors from the Piton Partage due to an actual and impending hazard of collapse.

Entry to the volcano is prohibited till additional discover.

Picture credit score: OVPF

Picture credit score: OVPF 

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Picture credit score: OVPF 

Geological abstract

The large Piton de la Fournaise basaltic defend volcano on the French island of Réunion within the western Indian Ocean is without doubt one of the world’s most lively volcanoes. A lot of its greater than 530 000-year historical past overlapped with eruptions of the deeply dissected Piton des Neiges defend volcano to the NW.

Three calderas shaped at about 250 000, 65 000, and fewer than 5 000 years in the past by progressive eastward slumping of the volcano. Quite a few pyroclastic cones dot the ground of the calderas and their outer flanks.

Most historic eruptions have originated from the summit and flanks of Dolomieu, a 400-m-high (1 312 toes) lava defend that has grown throughout the youngest caldera, which is eight km (26 247 toes) huge and breached to beneath sea degree on the japanese aspect.

Greater than 150 eruptions, most of which have produced fluid basaltic lava flows, have occurred because the 17th century. Solely six eruptions, in 1708, 1774, 1776, 1800, 1977, and 1986, have originated from fissures on the outer flanks of the caldera. The Piton de la Fournaise Volcano Observatory, one in every of a number of operated by the Institut de Physique du Globe de Paris (IPGP), screens this very lively volcano. (GVP)

Featured picture credit score: OVPF

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