Piton de la Fournaise volcano (La Réunion) eruption update: decreasing lava output

Tue, 25 Aug 2015, 15:27
15:27 PM | BY: T
Tremor amplitude of Piton de la Fournaise during the first 12 hours of the eruption (OVPF)
Tremor amplitude of Piton de la Fournaise during the first 12 hours of the eruption (OVPF)
The eruption that started yesterday continues, but only one of several fissures (east of the Rivals crater), that opened last night remains active over a length of 100 m. A small cone has been built at its upper end, approx. 140 m east of Rivals crater. Strombolian activity occurs from this vent, while 3 other vents lower on the fissure continue to produce lava fountains and feed a lava flow that slowly advances towards the Grandes Pentes.
The volcano observatory reports that both tremor and lava effusion rates have been dropping, first rapidly after the first, most intense two hours last night and more slowly since.

Short chronology of the eruption so far:
At 18:50, a long fissure starts to open near Piton Rivals southwest of Dolomieu crater.
The fissure gradually opens up sections further upslope, at 18:59 and 20:09 local time.
Another fissure opens between 21:15-21:30 in a different area of the Enclos, northwest of Dolomieu under Bory crater. This fissure only emits a small and short-lived lava flow.
After 22:00, the initially high tremor & effusion rate (with relatively tall fountains) drops by a factor or 4, and has now stabilized in a slowly decreasing trend.

Previous news

Mon, 24 Aug 2015, 15:48
Lava fountain and lava flow from the new eruption of Piton de la Fournaise today
A new eruption started at the volcano this evening. Following a brief seismic crisis that triggered an eruption alarm, an eruptive fissure opened south of Dolomieu crater at 18:50 local time. ... Read all
Wed, 19 Aug 2015, 06:00
On 24 August OVPDLF reported continued deformation and an increase in seismicity at Piton de la Fournaise during the previous several days, and a significant increase in seismicity that morning. Sulfur dioxide gas emissions increased at 1600, and at 1711 the seismic and deformation network indicated a magmatic intrusion. Lava fountains were visible at 1850 from a fissure on the S flank of Dolomieu Crater, at about 2000 m elevation, near Rivals Crater. ... Read all
Show more

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version

More on VolcanoDiscovery

Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.
Home | Travel | Destinations | Volcanoes | Photos | Earthquakes | About | Glossary | News | Contact | Privacy | Imprint | EN | DE | EL | ES | FR | IT | RU
Follow us:Follow us on facebookFollow us on InstagramFollow us on TwitterVisit our Youtube channel