At what depth do earthquakes occur?

Earthquakes occur in the crust or upper mantle, which ranges from the earth's surface to about 700 kilometers deep (about 500 miles).

What are the chances an earthquake could hit your favorite locations? Make a One-Step Earthquake Forecast here.
To see locations of current major earthquakes, go the Hazards Viewer and click on one of the Earth globes on the right hand side.
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