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USGS: Earthquake warning system feasible
San Francisco (UPI) Dec 14, 2009 The U.S. Geological Survey says its research has determined an earthquake early warning system for use in California is feasible. USGS scientists said earthquake early warning systems, already successfully deployed in Mexico, Japan and Taiwan, can detect an earthquake in progress and provide notice of seconds to tens of seconds prior to actual ground shaking. After a three-year USGS-funded earthquake early warning study was completed in August, a second USGS-funded project was launched to integrate the previously tested methods into a single prototype warning system. When completed, the pilot system -- called the California Integrated Seismic Network ShakeAlert System -- will provide warning to a small group of test users, including emergency response groups, utilities, and transportation agencies. While in the testing phase, the system will not provide public alerts. The USGS said its ShakeAlert system will detect strong shaking at an earthquake's epicenter and transmit alerts ahead of the damaging earthquake waves. Potential applications include stopping elevators at the nearest floor, slowing or halting trains, monitoring critical systems and alerting people to move to safer locations. In warning systems deployed abroad, alerts are distributed via TV and radio networks, the Internet, cell phones and pagers. The research is being presented in San Francisco this week during a meeting of the American Geophysical Union. Share This Article With Planet Earth
Related Links Bringing Order To A World Of Disasters When the Earth Quakes A world of storm and tempest
New Way To Monitor Faults May Help Predict EarthquakesWashington DC (SPX) Oct 14, 2009 Scientists at the Carnegie Institution have found a way to monitor the strength of geologic faults deep in the Earth. This finding could prove to be a boon for earthquake prediction by pinpointing those faults that are likely to fail and produce earthquakes. Until now, scientists had no method for detecting changes in fault strength, which is not measureable at the Earth's surface. ... read more |
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