Chris Rollins

My research is in statistical seismology, geodesy, crustal deformation modeling, and seismic hazard. Since joining GNS in 2021, he have been working primarily on the New Zealand National Seismic Hazard Model, including: 1) assembling an integrated New Zealand earthquake catalogue and using it to estimate the magnitude-frequency and depth distributions of earthquakes in various regions; 2) using paleoseismological data to estimate the average recurrence intervals of earthquakes on mapped faults, and the likelihood of surface rupture vs. earthquake magnitude; 3) assembling the inputs for the Puysegur subduction zone model; 4) advising on other inputs to the NSHM including the geodetic deformation model, the Inversion Fault Model (IFM), and the Distributed Seismicity Model (DSM) including its spatial character and earthquake rate variability.