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SAN FRANCISCO (AP) - Scientists on Tuesday unveiled what they described as the most detailed computer simulations of the catastrophic 1906 San Francisco earthquake.
The virtual models use three-dimensional geologic maps constructed by the U.S. Geological Survey last year to recreate a comprehensive portrait of how hard and how long the ground shook.
"It's so incredibly exciting to see these waves sweeping across," said seismologist Mary Lou Zoback of the USGS in Menlo Park.
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