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Ontake-san vulkaan
complexe vulkaan 3063 m / 10,049 ft
Honshu, Japan, 35.89°N / 137.48°E
Current status: normal or dormant (1 out of 5)
Ontake-san webcams / Live-gegevens | Reports
Ontake-san vulkaan boeken
Ontake-san vulkaanuitbarstingen:
27 Sep 2014, 2007, 1979-80, 774 AD
Typical eruption style:
explosive
Laatste aardbevingen in de omgeving
Meest recente satellietbeelden

Sentinel hub | Landsat 8
 

Ontake-san volcano news & activity updates:

Ontake-san volcano (Japan): death toll rises to at least 48

Wednesday Oct 01, 2014 15:21 PM | DOOR: T

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.
It took more than 250 climbers on the mountain, a popular hiking destination, and a sacred place for Japan's religious worshipers, by surprise.
It is unclear whether this eruption is or not a precursor of a possible magmatic eruption in a near to medium future, i.e. caused by fresh magma coming to the surface. While search and rescue operations continue at high intensity, Japan's monitoring scientists are keeping an eye on possible changes that could indicate such a development. On the other hand, it is entirely possible, that the explosion remains a single event with no magmatic eruption following.
Vorig nieuws
In a screen grab from a YouTube video, hikers flee from Ontake on Saturday, Sept. 27, 2014, in Japan.
Sunday, Sep 28, 2014
Yesterday's eruption might have caused more than 30 fatalities, Japanese press reports. Most of them were apparently killed by heart and respiratory failure after inhaling ash when caught in the outer areas of a pyroclastic flow or ash cloud descending the mountain. ... [meer...]
Pyroclastic flow during Ontake volcano's eruption today (Asahi.com)
Saturday, Sep 27, 2014
A large explosive eruption occurred at Japan's second highest volcano today at 11:56 local time. An explosion produced an ash plume that rose approx. 4 km and a large pyroclastic flow that swept down the southwestern flank. ... [meer...]
 

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