Menyuan Ms6.4 earthquake,Cross-fault level,Deformation anomaly,Tendency anomaly,Qilian Mountain fault zone," /> Regional fault deformation characteristics before and after the Menyuan <em>M</em>s6.4 earthquake
Geodesy and Geodynamics
  ISSN 1674-9847   CN 42-1806/P             RSS | Email Alerts  
        Home  |  About Journal  |  Editorial Board  |  Subscriptions  |  Contacts Us  | 
Geodesy and Geodynamics  2016, Vol. 7 Issue (4): 245-252    DOI: 10.1016/j.geog.2016.04.010
articles Current Issue | Next Issue | Archive | Adv Search Previous Articles  |  Next Articles  
Regional fault deformation characteristics before and after the Menyuan Ms6.4 earthquake
Ning Li, Lingyun Ji, Shuangxu Wang
The Second Monitoring and Application Center, China Earthquake Administration, Xi'an 710054, China
 Download: PDF (1763 KB)   HTML (1 KB)   Export: BibTeX | EndNote (RIS)      Supporting Info
Abstract This study analyzes data regarding cross-fault deformations within the seismogenic zone of the 2016 Qinghai Menyuan Ms6.4 earthquake and its surrounding area. The results showed that the tendency anomaly sites near the epicenter had relatively long anomaly durations prior to the earthquake, while sudden-jumping anomaly sites started to increase in the middle eastern Qilian Mountains approximately a year before the earthquake and continued to increase and migrate towards the vicinity of the epicenter two to six months before the earthquake. Intensive observations a few days after the earthquake indicated that abnormal returns and turns before the earthquake were significant, but all had small amplitudes, and the coseismic effect was generally minor. In addition, the post-seismic tendency analysis of individual cross faults in the Qilian Mountain fault zone revealed an accelerating thrust tendency at all cross-fault sites in the middle Qilian Mountains after the 2008 Wenchuan Ms8.0 earthquake. This indicates that the Wenchuan mega-earthquake exerted a great impact on the dynamic environment of the northeastern margin of the Qinghai-Tibet plate and significantly enhanced the extrusion effect of the Indian plate on the middle Qilian Mountains, generating favorable conditions for the occurrence of Menyuan thrust earthquakes.
E-mail this article Menyuan Ms6.4 earthquake|Cross-fault level|Deformation anomaly|Tendency anomaly|Qilian Mountain fault zone

”. Please open it by linking:" name=neirong>
E-mail Alert
Articles by authors
Key wordsMenyuan Ms6.4 earthquake')" href="#">

Menyuan Ms6.4 earthquake   Cross-fault level   Deformation anomaly   Tendency anomaly   Qilian Mountain fault zone     

Cite this article:   
. Regional fault deformation characteristics before and after the Menyuan Ms6.4 earthquake [J]. Geodesy and Geodynamics, 2016, 7(4): 245-252.
No references of article
No Similar of article
Copyright © 2011 Geodesy and Geodynamics
Support by Beijing Magtech