Living with volcanoes - Mount Ontake and Merapi Flashcards
How many active volcanoes are there in Japan?
110 according to the definition of the Global Volcanism Programme.
How many plates meet near or on Japan?
4.
Where is Mount Ontake situated and how high is it?
Mount Ontake is around 200km west of Tokyo and it is over 3000m high.
What date and time was the 2014 eruption in Japan?
27th September 2014 just before midday.
Why where people not warned before in Japan?
At the time the volcano was not under any alerts or warnings however some increased earthquake activity had been observed.
What types of hazards where there Mount Ontake? (4 types)
Ash clouds, pyroclastic flows, volcanic bombs and lahars.
How many people died after the Mount Ontake eruption?
63.
What action was taken in Japan? (3 things)
Search and rescue teams sent up to search for survivors, the military were ordered to assist and above the volcano there was a temporary no fly zone.
Where is Merapi and what is it?
Merapi is strato volcano located in Indonesia which is around 3000m high.
When was the VEI 4 eruption in 2010?
26th October to 12th November 2010.
What types of hazards where there for Merapi? (5 types)
Ash cloud, lahars, pyroclastic flows, acid rain (due to sulphur dioxide) and lava bombs.
How many injured, killed and made homeless?
367 deaths, 277. injured and 410,000 refugees.
How many m3 of ash and pyroclastic flow was there and what did this cause at Merapi?
130 million m3 worth of ash and pyroclastic flow lead to infrastructure, crops and livestock being destroyed.
