Recent earthquakes highlight the importance of being prepared. Smartphones now have built-in earthquake detection systems ...

The system can usually provide up to a minute's warning but the M7.1 earthquake originated much nearer the city than usual. The ground began to shake almost immediately after the alarm was triggered.

Shinkansen can stop significantly faster and more safely when an earthquake strikes thanks to a new tremor detection and alarm system, according to railway operators and engineers. The time it ...

NHK provides two types of emergency broadcasts: Emergency Warning Broadcasting (EWB) system and Earthquake Early Warning (EEW) system. In addition to an activation signal for receivers ...

did issue a news story based on the alarm notice. The federal body said work it was doing to revise and update information about where the historic quake struck had caused computer systems to ...