Hierarchical interlocked orthogonal faulting in the 2019 Ridgecrest earthquake sequence

• DOI: 10.1126/science.aaz0109
• Publication Date: 2019-10-17T23:09:16Z
• Authors: Zachary E. Ross; Benjamín Idini; Zhe Jia; Oliver L. Stephenson; Minyan Zhong; Xin Wang; Zhongwen Zhan; Mark Simons; Eric J. Fielding; Sang-Ho Yun; Egill Hauksson; Angelyn W. Moore; Zhen Liu; Jungkyo Jung
• Keywords: Sequence (biology); Seismic microzonation

Many ruptures across many scales The period of seismic quiescence in Southern California was rudely interrupted by the Ridgecrest earthquake sequence July 2019. Ross et al. mapped slip sequences during magnitude 6.4 and 7.1 earthquakes that shook region. They found a few larger, but smaller, faults occurred both earthquakes. calls for rethinking hazard, as multifault are not usually considered when assessing risk. Science , this issue p. 346