A Dynamic-Rupture Model of the 2019 M-w 7.1 Ridgecrest Earthquake Being Compatible with the Observations

Zhang Zhenguo; Zhang Wenqiang; Xin Danhua; Chen Kejie; Chen Xiaofei

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A Dynamic-Rupture Model of the 2019 M-w 7.1 Ridgecrest Earthquake Being Compatible with the Observations

机译：2019 M-W 7.1 RidGecrest地震的动态破裂模型与观察结果兼容

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We explore the 2019 M-w 7.1 Ridgecrest earthquake dynamic rupture on the nonplanar fault with homogeneous dynamic parameters using a layered media model. Our model shows that this event produced an average of 1.9m of right-lateral slip with a maximum slip of similar to 4.2 m at the place near the epicenter, and the variation of fault-plane strike angles from the middle to the southeastern segment appears to have behaved as a "stress barrier," which postponed the rupture. We also compare the synthetics based on our dynamic rupture with the field records and find good agreement with the static Global Positioning System (GPS) coseismic offsets and strong ground motion waveforms. Our work provides a dynamic-rupture interpretation of the M-w 7.1 Ridgecrest earthquake.

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《Seismological research letters》 |2021年第2a期|共7页
作者
Zhang Zhenguo; Zhang Wenqiang; Xin Danhua; Chen Kejie; Chen Xiaofei;
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作者单位

Southern Univ Sci &

Technol Dept Earth &

Space Sci Shenzhen Peoples R China;

Univ Sci &

Technol China Sch Earth &

Space Sci Hefei Peoples R China;

Southern Univ Sci &

Technol Dept Earth &

Space Sci Shenzhen Peoples R China;

Southern Univ Sci &

Technol Dept Earth &

Space Sci Shenzhen Peoples R China;

Southern Univ Sci &

Technol Dept Earth &

Space Sci Shenzhen Peoples R China;

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正文语种 eng
中图分类地震学;
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A Dynamic-Rupture Model of the 2019 M-w 7.1 Ridgecrest Earthquake Being Compatible with the Observations

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