July’s Nature Geoscience cover photo: The southern San Andreas fault terminates in a stepover zone — several small faults that separate major fault segments — beneath the Salton Sea. Analysis of movements on the stepover zone faults indicates that periodic flooding of the palaeo-Salton Sea during the late Holocene could have triggered earthquakes on the San Andreas fault. The image shows a large obsidian boulder that rests on the slope of Red Hill at the southeast edge of the Salton Sea, California, USA. The salt-encrusted shoreline of the Salton Sea is visible in the distance. See “Loading of the San Andreas fault by flood-induced rupture of faults beneath the Salton Sea”, by Brothers et al., p. 486-492. Photo by Jenny E. Ross.
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July’s Nature Geoscience cover photo: The southern San Andreas fault terminates in a stepover zone — several small faults that separate major fault segments — beneath the Salton Sea. Analysis of movements on the stepover zone faults indicates that periodic flooding of the palaeo-Salton Sea during the late Holocene could have triggered earthquakes on the San Andreas fault. The image shows a large obsidian boulder that rests on the slope of Red Hill at the southeast edge of the Salton Sea, California, USA. The salt-encrusted shoreline of the Salton Sea is visible in the distance. See “Loading of the San Andreas fault by flood-induced rupture of faults beneath the Salton Sea”, by Brothers et al., p. 486-492. Photo by Jenny E. Ross.

Fuente: nature.com

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