Thursday, July 06, 2006

Silent quakes may signal big temblors - study

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Death from above
Posted by Ninja T. Penguin
Posted by Alfie
(Reuters) from United States of America.

San Francisco - Locating so-called "silent earthquakes" may help scientists better predict the probability of severe temblors, a Stanford University professor said on Wednesday.

Silent earthquakes - slow-moving events tracked by satellites measuring subtle changes on the earth's surface because they do not broadcast shock waves - appear to build pressure on fault zones, contributing to weak magnitude-two and magnitude-three earthquakes, said Stanford geophysicist Paul Segall.

Locating silent earthquakes could help better understand how small temblor activity develops and that could help scientists better gauge the likelihood of more powerful quakes, Segall said, referring to findings his research team has published that will appear on Thursday in the...
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