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Stress Field Changes before the MS8.0 Wenchuan Earthquake
2021
Natural Science
The apparent lack of pre-seismic crustal deformation preceding the 2008 M S 8.0 Wenchuan earthquake has been the subject of debate. In this study, tiltmeter data recorded close to the earthquake epicenter were analysed using spectrum and wavelet analysis. Changes in the stress field before the earthquake were analyzed based on the Benioff creep release and changes in regional Global Navigation Satellite System (GNSS) baselines. The characteristics of far-and near-field seismicity and
doi:10.4236/ns.2021.139036
fatcat:efxzfizkkjajvny3xnwziawsau