Early warning system predicted shaking from Oct. 30 quake

A California earthquake early warning system now being tested accurately predicted the ground shaking in San Francisco a few seconds before the city felt the Oct. 30, 2007, magnitude 5.4 quake near San Jose, according to a statewide team of seismologists.

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<p><a href="http://www.physorg.com/news116608100.html">Early warning system predicted shaking from Oct. 30 quake</a></p> <p>A California earthquake early warning system now being tested accurately predicted the ground shaking in San Francisco a few seconds before the city felt the Oct. 30, 2007, magnitude 5.4 quake near San Jose, according to a statewide team of seismologists.</p>