Japan has the most sophisticated earthquake detection network in the world — a system of 4,235 seismometers can detect the very first waves from a quake, before estimating its focus, magnitude and seismic intensity.
Phone alerts are then sent out, giving people precious seconds to prepare...
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Water leaks have been found at Onagawa nuclear plant in Miyagi prefecture in Japan after a new 7.4-magnitude earthquake jolted the northeastern area.
Tohoku Electric, the operator of the plant, said on Friday that water leaked out of the spent fuel pools of reactors number 1and 2...