Seismic swarms and aseismic slip driven by dikes

In addition to static stress changes from earthquakes on nearby faults, seismic sequences can be triggered by stress perturbations due to a number of processes, including magma migration and seismic waves from remote earthquakes.

With Eleonora Rivalta, Luigi Passarelli and Yosuke Aoki, we analyzed a seismic swarm during the 2000 Miyakejima dike intrusion and found evidence of aseismic slip on a complex fault system.

With Jeff McGuire and John Collins, we used a seismic catalog from ocean bottom seismometers in the East Pacific Rise, and detected instances of dynamic earthquake triggering from remote mainshocks.