2022 Chihshang Earthquake
Event Date :
09-06-2022
Location :
Chihshang, Taiwan
Report Date :
03-25-2024
Event Category:
Earthquake
Report Number:
GEER-083
DOI:
doi:10.18118/G65M23
Event Latitude:
23.386320
Event Longitude:
121.338580
Contributors:
GEER team members: Domniki Asimaki (Caltech), H. Benjamin Mason (OSU) (team leads)
Adda Athanasopoulos-Zekkos (UCB), Trevor Carey (UBC), Fernando E. Garcia (UM), Brian
Gray (LCI), Grigorios Lavrentiadis (Caltech), and Chukwuebuka C. Nweke (USC),
NCREE (NARLabs): Chung-Che Chou (Director General), Chiun-Lin Wu (Deputy Director
General), Zheng-Kuan Lee, Wei-Kuang Chang, Kuan-Yu Chen, Shih-Jung Lin, Chi-Hao
Lin, Che-Min Lin
National Chi Nan University: Kuo-lung Wang (Professor), Jun-tin Lin, Yi-hsuan Lee
Summary:
The Chishang events nucleated on the high-angle, west-dipping Central Range Fault (CRF), which is blind in the south, and was not in the official active faults map issued by the Taiwan Geological Survey. The Mw6.9 Chihshang mainshock occurred on 9/18/2022 at 14:44:15.2 (Taiwan Standard Time: GMT+08:00). The event was preceded by a foreshock of Mw6.5 on 9/17/2022 at 21:41:19.1. The U.S. GEER team, arrived in Taipei on 15 and 16 October 2022 and traveled to the affected region on 17 October; it included eight U.S.-based members, and was hosted and accompanied by a team of geologists, geotechnical engineers, and researchers from Taiwan’s National Center for Research on Earthquake Engineering (NRCEE).
File Upload :
| File Title | File Version | File Date | File Type |
|---|---|---|---|
| Full Report | 2 | 04-18-2024 |
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The work of the GEER Association, in general, is based upon work supported in part by the National Science Foundation through the Geotechnical Engineering Program under Grant No. CMMI-1266418. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the NSF. The GEER Association is made possible by the vision and support of the NSF Geotechnical Engineering Program Directors: Dr. Richard Fragaszy and the late Dr. Cliff Astill. GEER members also donate their time, talent, and resources to collect time-sensitive field observations of the effects of extreme events.
