Japan Earthquake Flashcards
1
Q
Preparation for earthquakes (warning and evacuation, building design, remote sensing and GIS)
A
Authorities send warnings to every mobile phone in the area
People received a text around 25 seconds before the shaking started
System is based on Japan’s collection of 1000 seismographs which is worth around 1 billion USD. The seismographs detect a P wave first and immediately sends out an alert.
2
Q
General info
A
Magnitude of 67.4 7 on the mercalli scale Tsunami of 1.4m No severe injuries, 12 suffered injuries After shock of the 2011 earthquake 22nd November 2016