A statistic analysis of the characteristics of recent tectonic stress fields in the East China region was performedusing 143 sets of data of single focal mechan
In order to make a more effective use of the data from regional digital seismograph networks and to promote the study on shear wave splitting and its applicatio
Two near-vertical deep seismic reflection profiles (140km-long, 24-fold) were completed in the1679 Sanhe-Pinggu earthquake (M8.0) region. The profiles ran throu
Mantle xenoliths brought up by Cenozoic volcanic rocks onto the earth's surface may provide direct information about the upper mantle beneath the volcanic r
Based on the extraction and calculation of the short-term seismic precursory information magnitude from the 114 major precursory observations in the North China