Temperature increase in saturated porous materials under undrained condition leads to thermal pressurization of the pore fluid due to the discrepancy between the thermal expansion coefficients of the pore fluid and of the solid matrix. This increase in the ...

It is suggested that the two primary dynamic weakening mechanisms during seismic slip, are then as follows: (1) Flash heating at highly stressed frictional micro-contacts, and (2) Thermal pressurization of fault-zone pore fluid. Both have characteristics which ...