How Earthquake Early Warning Systems Work
September 30, 2013 | National Geographic
National Geographic has an article that explains how an earthquake early warning system can work and the benefits that it can bring to an urban area.
First Earthquake Early Warning Method in 1909 Iran
September 5, 2013 | Seismological Society of America
The Seismological Society of America has published: Early Earthquake Detection and Warning Alarm System in Iran by a Telegraph Operator: A 116-Year-Old Disaster Prevention Attempt.
Earthquake Warning System Video
September 18, 2013 | ABC News
An early warning system is available to give citizens a few seconds notice by smartphone before the seismic waves arrive. The system needs $23 million to launch and $12 million per year to operate.