Earth and Planetary Science
EPS Geophysics

JAN 2010 - Tremor-tide correlations on the deep San Andreas fault

EPS graduate student Amanda Thomas, BSL Researcher Bob Nadeau and EPS faculty member Roland Bürgmann identify a robust correlation between extremely small, tidally induced shear stress parallel to the San Andreas fault and non-volcanic tremor activity near Parkfield, California. In their recently published article in Nature (Reprint), they suggest that this tremor represents shear failure on a critically stressed fault in the presence of near-lithostatic pore pressure. UC Berkeley News Release.