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Earth of fire

Actualité volcanique, Articles de fond sur étude de volcan, tectonique, récits et photos de voyage

Publié le par Bernard Duyck
Publié dans : #Actualités volcaniques
 Klyuchevskoy - photo Y.Demyanchuk / Kamchatka.aif.ru 24.07.2017

Klyuchevskoy - photo Y.Demyanchuk / Kamchatka.aif.ru 24.07.2017

In Kamchatka, after Shiveluch "shot" the ashes of Klyuchevskaya volcano.


An explosive episode marked the Sheveluch on July 23 at 17:40 UTC, for 480 minutes; It was accompanied by a plume of ashes rising to 11,500-12,000 meters asl, and strong pyroclastic flows. A cloud of ash drifted in ENE direction over 205 km. Put a brief time in red aviation alert, it returned to the orange level. Tourist organizations are advised not to drive towers in the volcano area.

Volcanic ash advisory for Sheveluch - 24.07.2017 - VAAC Tokyo

Volcanic ash advisory for Sheveluch - 24.07.2017 - VAAC Tokyo

Volcanic ash advisory for Klyuchevskoy- 24.07.2017 - VAAC Tokyo

Volcanic ash advisory for Klyuchevskoy- 24.07.2017 - VAAC Tokyo

In Klyuchevskoy, an explosion took place on 24 July, accompanied by an ash plume reaching 5,500 meters, before drifting towards the ENE for 45 km, towards Ozemaya Bay. The episode lasted over 300 minutes. No ash fall has been reported for the Ust-Kamchatka region.


Sources: Kamchatka.aif.ru & KVERT

Piton de La Fournaise - 23.07.2017 - photo Stephane Michel via Fournaise info

Piton de La Fournaise - 23.07.2017 - photo Stephane Michel via Fournaise info

Status quo at Piton de La Fournaise, despite the fluctuations of the tremor over the past 24 hours; The level observed at 3.30 pm on 23 July is close to that observed between 18 and 20 July.
A volcano-tectonic earthquake was recorded below the top of the volcano, as well as a slight deflation.
The flow of lava is always estimated between 1 and 3 m³ / s.
 
Sources: OVPF & Fournaise-info

Piton de La Fournaise - Evolution of the RSAM (volcanic tremor and eruption intensity indicator) between 00:00 (20h UTC) on July 14th and 15h30 (11h30 UTC) on 23rd July on the seismic station of RVL, located on The southern flank of the volcano. (© OVPF / IPGP)

Piton de La Fournaise - Evolution of the RSAM (volcanic tremor and eruption intensity indicator) between 00:00 (20h UTC) on July 14th and 15h30 (11h30 UTC) on 23rd July on the seismic station of RVL, located on The southern flank of the volcano. (© OVPF / IPGP)

Piton de La Fournaise - Thermal anomaly on 23.07.2017 / 22h20 - Doc. Mirova Modis

Piton de La Fournaise - Thermal anomaly on 23.07.2017 / 22h20 - Doc. Mirova Modis

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