Neotectonics refers to the study of recent and ongoing movements and deformations of the Earth’s crust, typically occurring in the late Cenozoic era. This field is important for understanding current tectonic activity, the formation of landforms, and assessing seismic hazards.
Reference: Stewart, I. S., & Hancock, P. L. (1994). “Neotectonics.” In: Hancock, P. L. (Ed.), Continental Deformation. Pergamon, pp. 370-409.