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Diaporama
On-take volcan
volcan complexe 3063 m / 10,049 ft
Honshu, Japon, 35.89°N / 137.48°E
Condition actuelle: normal / en sommeil (1 sur 5)
On-take webcams / données en temps réel | Reports
On-take livres
Eruptions du volcan On-take:
1979-80, 774 AD
Style éruptif tipique:
explosive
Derniers séismes proches
Derniers images satellite

Sentinel hub | Landsat 8
 

Ontake-san volcano news & activity updates:

Ontake-san volcano (Honshu, Japan) activity update: steaming, low seismic activity

Thursday Dec 18, 2014 16:02 PM | AUTEUR : TOMPFEIFFER

White steam plumes were observed during the past week. JMA reports seismic activity remained low, but maintains alert level 3, as sudden phreatic explosions could occur again.
Actualités précédentes
Friday, Nov 14, 2014
JMA reported that cloud cover often prevented visual observations of Ontakesan during 5-11 November; white plumes rose 200-300 m above the crater rim and drifted NE, E, and SE. ... [details]
Friday, Nov 07, 2014
White plumes rose 100-300 m above the crater rim and drifted NE and SE during 29-30 October and 4 November. The Alert Level remained at 3 (on a scale of 1-5). ... [details]
Friday, Oct 24, 2014
The volcano continues to produce white steam plumes rising a few 100 m above the crater. According to press articles, 7 people are still missing from the 27 Sep eruption, but search and rescue operations are being suspended until springtime because of the winterly conditions. The Alert Level remained at 3 (on a scale of 1-5). [details]
Saturday, Oct 04, 2014
The volcano continues to emit plumes of steam and possibly some ash Tokyo VAAC reports. ... [details]
Wednesday, Oct 01, 2014
The death toll from Saturday's powerful, and deadly explosion of the volcano has now climbed to 48, press reports. The eruption was a sudden, unexpected (and unpredictable) phreatic explosion, i.e. caused by sudden evaporation of overheated water in the hydrothermal system of the volcano. ... [details]

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