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

Zhenguo,Zhang1,2; Wenqiang,Zhang3; Danhua,Xin1; Kejie,Chen1; Xiaofei,Chen1

2020-12-16

10.1785/0220200258

SEISMOLOGICAL RESEARCH LETTERS   影响因子和分区

0895-0695

1938-2057

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.

SCI ; EI

英语

第一 ; 通讯

National Natural Science Foundation of China[41922024,41790465] ; Shenzhen Key Laboratory of Deep Offshore Oil and Gas Exploration Technology[ZDSYS20190902093007855]

Geochemistry & Geophysics

Geochemistry & Geophysics

WOS:000631817400003

Seismological Society of America (SSA)

20211310128296

Earthquake effects ; Global positioning system

Earthquake Measurements and Analysis:484.1

GEOSCIENCES

人工提交

1.Department of Earth and Space Sciences, Southern University of Science and Technology, Shenzhen, China
2.Shenzhen Key Laboratory of Deep Offshore Oil and Gas Exploration Technology, Southern University of Science and Technology, Shenzhen, China
3.School of Earth and Space Sciences, University of Science and Technology of China, Hefei, China

Zhenguo,Zhang,Wenqiang,Zhang,Danhua,Xin,et al. A Dynamic-Rupture Model of the 2019 Mw 7.1 Ridgecrest Earthquake Being Compatible with the Observations[J]. SEISMOLOGICAL RESEARCH LETTERS,2020,92(2A):870-876.

Zhenguo,Zhang,Wenqiang,Zhang,Danhua,Xin,Kejie,Chen,&Xiaofei,Chen.(2020).A Dynamic-Rupture Model of the 2019 Mw 7.1 Ridgecrest Earthquake Being Compatible with the Observations.SEISMOLOGICAL RESEARCH LETTERS,92(2A),870-876.

Zhenguo,Zhang,et al."A Dynamic-Rupture Model of the 2019 Mw 7.1 Ridgecrest Earthquake Being Compatible with the Observations".SEISMOLOGICAL RESEARCH LETTERS 92.2A(2020):870-876.