map of California colored by probability of a magnitude-6.7 earthquake.

The Third Uniform California Earthquake Rupture Forecast is the predominant earthquake forecast model used in California. The black rectangles on the map represent faults and the colors indicate the likelihood of an earthquake greater than magnitude-6.7 in the next 30 years. White rectangles show the San Francisco and Los Angeles regions. Credit: Working Group on California Earthquake Probabilities

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