FAQs - Faults
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Whose Fault Is It?
- Where do I need to look to find a fault map of the US? Is one available in GIS format?
- How do I find fault or hazard maps for California?
- Where are the Fault Lines in the United States East of the Rocky Mountains?
- I am trying to locate the nearest active faults to location X, for the purpose of determining the "Near Source Factor" Nv & Na of the '97 UBC. Can you steer me to a web address for this information?
- I am looking to buy land near the location of a large historical earthquake. I am wondering where the fault line runs. What is the seismic activity in the area today? How did the quake change the contours and elevations of the area?
- What is the citation for these data?
- How do I download fault data?
- Are some California faults missing?
- What is the relationship between Quaternary faults and earthquakes?
- Why are there earthquakes but so few Quaternary faults east of the Rocky Mountains?
- Why are there so many earthquakes and Quaternary faults in the Western United States?
- Why are there so many faults with the same name?
- Do the fault colors mean anything?
