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Published online 16 June 2008 | Nature | doi:10.1038/news.2008.893
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Japan's monitoring system beaten by shallow quake
Earthquake takes nine lives as destruction arrives ahead of warning.
A magnitude-7.2 earthquake that hit northern Japan on Sunday morning has claimed at least nine lives, left another dozen people missing, and destroyed houses and factories throughout the region.
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In fact,the seismic source is not always same to the epicenter location ，so this systerm will work in most time.
What would be the casualty in the whole area affected by the earthquake (not just the epicenter) if no warning was given? Look what just happened a month ago in the other place. Those who seek faults in the earthquake warning system or even fight against forecasting earthquake should have some reality check!--------Shi V. Liu (SVL@logibio.com; http://im1.biz; http://blog.sina.com.cn/im1)