NHK8 年
The Earthquake Early Warning System for the General Public
The “Earthquake Early Warning (EEW)” system for the general public is a one-of-its-kind system in the world for disaster prevention information, providing warning via TV and radio before ...
NHK3 年
Emergency Warning Broadcast/ Earthquake Early Warning for Security and Safety
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 ...
来自MSN1 个月
Scientists say ShakeAlert warning system 'worked exactly as it should have'
California's ShakeAlert Earthquake Early Warning System (EEW) was put to the test before a major earthquake up in the North Coast Thursday morning, and scientists are saying it did exactly what it ...
来自MSN1 个月
Earthquake in California: How USGS's early warning system estimated a near-accurate magnitude
California was hit by a massive earthquake on Thursday, an event the state has tried to stay alert to for years. The magnitude of the quake was measured at 7.0, according to the National Tsunami ...