Seismic Risk in California is Changing - White Paper

Hail Story Map GraphicThe Impact of New Earthquake Hazard Models for the State

Although much has changed in specific areas across the U.S. in the new U.S. Earthquake Model, some of the most signification changes that affect potential earthquake losses are in California. Recent changes in earthquake hazard science in California are transforming the way we need to think about managing earthquake risk. The Uniform California Earthquake Rupture Forecast (UCERF) is a multi-year project by a consortia of leading scientists known as the Working Group on California Earthquake Probabilities (WGCEP), and offers a consensus-based view of earthquake hazard across California..

The new UCERF3 fault model applies these lessons-learned from recent earthquakes by allowing longer fault ruptures and larger earthquakes to occur along the fault systems in California than had been previously considered impossible in the geologically segmented UCERF2 fault model.

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