An afterslip is a slipping motion along a fault that occurs over months to years, after an earthquake. Afterslips can either take place as a gradual movement (slow-sip) that doesn't create enough energy to set out seismic waves, or as an earthquake.
References
- Qiu, Qiang; Feng, Lujia; Hermawan, Iwan; Hill, Emma M. (July 2019). "Coseismic and Postseismic Slip of the 2005 M w 8.6 Nias-Simeulue Earthquake: Spatial Overlap and Localized Viscoelastic Flow". Journal of Geophysical Research: Solid Earth. 124 (7): 7445–7460. doi:10.1029/2018JB017263. hdl:10356/137151. ISSN 2169-9313.
- "Earthquake Processes and Effects". earthquake.usgs.gov. Retrieved 2024-10-17.