Ontake-san volcano news & activity updates:
Ontake-san volcano (Honshu, Japan) activity update
Friday Nov 14, 2014 07:48 AM | BY: T
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.
The Alert Level remained at 3 (on a scale of 1-5).
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). ... [more]
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). [more]
Saturday, Oct 04, 2014
The volcano continues to emit plumes of steam and possibly some ash Tokyo VAAC reports. ... [more]
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. ... [more]
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. ... [more]