Flashcards in Tohoku Deck (19)
Date of Event
11th March 2011
70km East of Oshika Peninsula of Tohoku
Type of Plate boundary
Pacific Plate subducted by Eurasian Plate
Why so Destructive?
from shallow focus of only 32km --> allowed crustal material to be shoved up and over sea floor to move upwards by 10s of metres in seconds
Height of Wave
How many fatalities?
damaged or destroyed
Predicted time back to normal
Most important impact
Japans nuclear power industry- 3 meltdowns at Fukishima
Caused contamination of sea, land and forced evacuation of locals
Brave team of emergency workers gave lives to prevent explosions
heavy snow- blocked roads
Earthquake + Tsunami destroyed dam, cut off electrical connections and caused fires.
20km radius around Fukishima Evacuated
4.4 million households left without electricity and 1.5 million without water
Short Term Responses
Displaced given resources
Search and Rescue
NGOs- Redcross $1bn
Set up for the prediction of earthquakes and tsunamis
-Detected Earthquake and issued televised warning just after very rapid P waves hit but before very damaging S waves hit. Gave people a chance to get out the buildings to safety.
-Predicted the tsunami 3 minutes after major earthquakes, giving people 20 minutes to get to safety.