http://www.stuff.co.nz/national/7979461/Panic-on-Mt-Tongariro-as-volcano-erupts
A teacher who was on Mt Tongariro with a group of 90 students has captured the ‘‘absolutely spectacular’’ eruption of the volcano on video.
GNS Science confirmed the eruption, at the Te Maari crater, happened shortly after 1.20pm. It is the second eruption on the mountain this year; an eruption on August 6 was the first on Tongariro for more than 100 years.
http://tvnz.co.nz/national-news/school-outing-mount-tongariro-turns-terror-5230697
An outing turned into terror for a group of school children visiting Mount Tongariro today.
Ninety children and eight adults from Napier's Tamatea Intermediate were eating their lunch when the Te Maari crater erupted about 1.25pm.
The "shaken" children, rushed back to the school bus which was waiting for them at the end of the track.
Film crew capture Mt Tongariro eruption (1:00)
17:46 Mount Tongariro no longer spewing ash video
15:43 Scientists caught off guard by Mount Tongariro blast video photos
it be ok doing this for years a small thing may get some ash in Hamilton NZ 200 KMs a way can not be very bad as some are in the huts 5 KMs from the top some one will go up in 11 hours time to tell them to get off best to be safe ):-