Hydraulic Conditions for Stick‐Slip Tremor Beneath an Alpine Glacier
Journal: Geophysical Research Letters
Year: 2022

Abstract Accumulating evidence suggests that glacier basal motion can produce seismogenic stick‐slip events caused by frictional resistance at the ice‐bed interface. Frequent and subsequent failure of multiple stick‐slip patches may constitute sliding tremor in seismic recordings. We show that during stick‐slip tremor at the base of an Alpine glacier, the released seismic moment increases by an order of magnitude. The tremor emerges during melt‐intensive days and is associated with water pressur