Science Blog ZINC PROJECTS
Large earthquakes may broadcast warnings
Date: 17-Dec-07
Author: Stanford University
Like geological ninjas, earthquakes can strike without warning. But there may be a way to detect the footfalls of large earthquakes before they strike, alerting their potential victims a week or more in advance.
A Stanford professor ... has evidence that big temblors emit a burst of ultra-low-frequency electromagnetic radio waves days or even weeks before they hit. The problem is that nobody is paying enough attention.
 Records of vertical-component ground motions that the IRIS / USGS Global Seismographic Network registered of the massive magnitude 9.0 earthquake in Indonesia on December 26, 2004. Courtesy: Richard Aster, New Mexico Tech.
Full story: Large earthquakes may broadcast warnings, but is anyone tuning in to listen
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