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Scanning the land

Quake data analyses yield an improved model of Southern California’s crust

4:10pm, August 20, 2009

When the ground quakes, scientists as well as everyday folk take notice. By analyzing motions recorded by hundreds of seismometers during dozens of quakes, researchers have compiled a new and improved geological model of Southern California’s crust. The resulting high-resolution model is much like a CT scan of the earth and will enable more accurate estimates of seismic hazards in the region, scientists report.

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