Major quakes can weaken seismic faults far away, scientists say
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Re: Major quakes can weaken seismic faults far away, scientists say
(PhysOrg.com) -- U.S. seismologists have found evidence that the massive 2004 earthquake that triggered killer tsunamis throughout the Indian Ocean weakened at least a portion of California's famed San Andreas Fault. The results, which appear this week in the journal Nature, suggest that the Earth's largest earthquakes can weaken fault zones worldwide and may trigger periods of increased global seismic activity.
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Major quakes can weaken seismic faults far away, scientists say
The major earthquake in Sumatra in 2004 may have weakened California's San Andreas fault 8,000km away.
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Bron: BBC Science and Nature. www.BBC.co.uk