Quake alarms now available for home use.
On Monday, Japan switched on a nationwide advance warning system for earthquakes, giving any person tuned to radio or television seconds of warning before a large quake.
Japan gets nationwide warning of earthquakes
Quake alarms now available for home use.
On Monday, Japan switched on a nationwide advance warning system for earthquakes, giving any person tuned to radio or television seconds of warning before a large quake.
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