California-Nevada Fault Maps

This webpage has been replaced by a new version and will be phased out in the future. Please use our new Real-time Earthquake Map to access the latest earthquake information and event details. The links to the World, US, and CA/NV maps that were in the navigation on the left side of the page have been replaced by the links at the top of the new Map. The Real-time Earthquake Map User Guide describes how to use the map and all its features.
Earthquake index map
Advanced National Seismic System Home Page CA Geological Survey Homepage US Geological Survey Homepage 115-33 115-34 115-35 115-36 115-37 115-38 115-39 115-40 115-41 116-33 116-34 116-35 116-36 116-37 116-38 116-39 116-40 116-41 117-33 117-34 117-35 117-36 117-37 117-38 117-39 117-40 117-41 118-33 118-34 118-35 118-36 118-37 118-38 118-39 118-40 118-41 119-33 119-34 119-35 119-36 119-37 119-38 119-39 119-40 119-41 120-33 120-34 120-35 120-36 120-37 120-38 120-39 120-40 120-41 121-33 121-34 121-35 121-36 121-37 121-38 121-39 121-40 121-41 122-33 122-34 122-35 122-36 122-37 122-38 122-39 122-40 122-41 123-33 123-34 123-35 123-36 123-37 123-38 123-39 123-40 123-41 124-33 124-34 124-35 124-36 124-37 124-38 124-39 124-40 124-41 125-33 125-34 125-35 125-36 125-37 125-38 125-39 125-40 125-41

Instructions

Tips

  • Red lines are known faults (orange lines are unnamed faults).
  • Thin grey lines are roads.
  • Magnitude = ? for new earthquakes until a magnitude is determined (takes 4-5 minutes).
  • Earthquakes can appear near a fault without having occurred on that fault. To associate an earthquake with a fault requires viewing both of them in three-dimensions.
  • Maps show events recorded in the past 7 days.
  • Maps are updated whenever a new earthquake has been located. Try to reload this page if you do not have the most current map.

Earthquake Lists

Special Regional Maps

Additional Maps and Info

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