Pre-slip

Earthquakes
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Types Mainshock Foreshock Aftershock Blind thrust Doublet Interplate Intraplate Megathrust Remotely triggered Slow Submarine Supershear Tsunami Earthquake swarm
Causes Fault movement Volcanism Induced seismicity
Characteristics Epicenter Epicentral distance Hypocenter Shadow zone Seismic waves P wave S wave
Measurement Seismometer Seismic magnitude scales Seismic intensity scales
Prediction Coordinating Committee for Earthquake Prediction Forecasting
Other topics Shear wave splitting Adams–Williamson equation Flinn–Engdahl regions Earthquake engineering Seismite Seismology
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In seismology, pre-slip is a phenomenon in which part of a hard bonded region underground detaches and begins to slip by slow. It often occurs before a major earthquake occurs at the plate boundary.^[1]^[2]

References

^ Uyead, Seiya; Nahaio, Toshiyasu; Kamogawa, Masashi (2011). "Earthquake precursors and prediction". In Harsh. K Gupta (ed.). Encyclopedia of solid earth geophysics. Springer Science & Business Media.
^ Information on the Tokai Earthquake - JMA