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Back-propagating supershear rupture in the 2016 M_w 7.1 Romanche transform fault earthquake

from Nature Geoscience

Back-propagating supershear rupture in the 2016 Mw 7.1 Romanche transform fault earthquake Nature Geoscience How an earthquake rupture propagates strongly influences the potentially destructive ground shaking. Complex ruptures often involve slip along multiple faults, which masks information on the frictional behaviour of fault zones. Geometrically smooth ocean transform fault plate boundaries offer a favourable environment to study fault dynamics, because strain is accommodated along a single, wide fault zone that offsets the homogeneous geology. Here we present an analysis of the 2016 Mw 7.1 earthquake on the Romanche fracture zone in the equatorial Atlantic, using data from both nearby seafloor seismometers and global seismic networks. READ MORE

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