Hundreds of fractures reactivated by the 2019 Ridgecrest Earthquakes were imaged by satellite radars
Автор: SCEC
Загружено: 2021-03-18
Просмотров: 579
A wealth of remote sensing data, collected before and after the 2019 Ridgecrest earthquakes, revealed hundreds of small-offset fractures surrounding the main ruptures. Most of these fractures appear to slip in the direction of the prevailing tectonic stress, but many also appeared to slip backwards (retrograde) as reported in Science by Xu et al. (2020). Guided by these satellite measurements of fault deformation, SCEC researchers from Scripps Institution of Oceanography and San Diego State University took to the field and found evidence for a fault damage zone that is critical to the understanding of how faults can appear to slip backward. For more details: https://www.scec.org/article/671.
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