+Fault lines are deep fractures within the [Earth](/wiki/earth)'s crust. Here, [tectonic plates](/wiki/tectonic_plates) meet and grind, accumulating and releasing energy that can trigger powerful tremors.
+## See also
+- [Earthquake](/wiki/earthquake)
+- [Plate Tectonics](/wiki/plate_tectonics)
+- [Geology](/wiki/geology)
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