Piton de la Fournaise volcano (La Réunion): sudden drop in tremor / lava effusion - possible end of eruption

Sun, 18 Oct 2015, 08:36
08:36 AM | BY: T
Images of lava bubbles from the main vent on 12 Oct (OVPF)
Images of lava bubbles from the main vent on 12 Oct (OVPF)
Tremor evolution up until yesterday (OVPF)
Tremor evolution up until yesterday (OVPF)
After a the eruption had intensified considerably during the past week, tremor suddenly dropped this morning at 08:02 local time and only showed sporadic pulses. The lava effusion seemed to have stopped as well. Aerial surveys this morning showed no more lava inside the vent.
Whether this is a temporary pause or a rather sudden (but not uncommon) end of the eruption will be clearer in the near future.
Up until yesterday (17 Oct), the eruption had been increasing, and generated again lava fountains from the main vent up to 40 m tall. The main vent itself had increased to reach approx. 100 m diameter, containing a lava lake which released large bubbles of gas (SO2), generating spectacular lava bubble ejections (images).

Previous news

Fri, 16 Oct 2015, 05:54
Piton de la Fournaise volcano on 13 Oct 2015
The current, remarkably long-lived eruption continues with no signs of weakening. On the contrary, a significant increase in tremor and lava effusion was noted starting 12 Oct, reaching high values comparable to the start of the eruption. The observatory estimated the effusion rate to have risen from 9 to 13.5 cubic meters per second. Read all
Sat, 3 Oct 2015, 07:35
Lava flow field of Piton de la Fournaise's eruption as on 28 Sep 2015(OVPF)
The eruption continues with little changes overall. The lava flow field gradually expands (and thickens) towards the southeast from the vents, with the most distant flow fronts now being around 2600-2700 m away. Read all
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