Abstract
Abstract: Surface co-seismic gravity changes and displacements caused by the Wenchuan Ms8. 0 earthquake are calculated on the basis of the half-space dislocation theory and two fault models inversed, respectively, by Institute of Geophysics, CEA and USGS. The results show that 1) the dislocation consists of dip slip and right-lateral strike slip; 2) the co-seismic gravity change shows a four-quadrant pattern, which is greatly controlled by the distribution of the vertical displacements, especially in the near-filed; 3) the gravity change is generally less than 10 × 10− 8 ms− 2 in the far-field, but as high as several 100 × 10− 8 ms− 2in the near-filed. These results basically agree with observational results.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
