Mount Ontake Flashcards
Where is it?
central Japan
When was it?
September 27th 2014
What type of volcano was it?
strato volcano
What caused the eruption?
subduction of pacific and Philippine plates under Eurasian
causing a build up of pressure released in a phreatic e
explosion
What came out of the vents?
jet of water ash (plume rose 11km) rock volcanic bombs pyroclastic flows
How many died?
57 (most holding phones)
How many injured? What were the injuries?
70
bruises and cuts
bone fractures on back
How many trapped?
over 250 (some were on neighbouring peaks)
How much ash was deposited?
20 to 50cm
Where did people go for medical help?
town of Kiso
How many troops/police/firefighters involved in rescue?
What did they do?
over 1000
carried bodies down mountain
What did military helicopters do?
lift survivors
What was wrong with the safe zones?
not properly maintained
What did the monitoring before hand show?
minor tremors
no signs of a major eruption
What does the Japanese Government’s new program involve?
real-time warnings on phones