USGS Fault Map

Local KMZ
Click “Load qfaults.kmz” and pick the file you downloaded

When the fault last moved

Last 150 years
Last 15,000 years
Last 130,000 years
Last few million years

Colors come from the KMZ layers when available.

How to use this page

1. Put this HTML file and your qfaults.kmz in the same folder (optional but handy).

2. Click the blue Load qfaults.kmz button and choose the file.

3. Wait a few seconds — the faults will appear on the map.

You can also open this page with a local server:

python -m http.server 8080

Then go to http://localhost:8080/usgs-fault-map.html