【摘 要】
:
In this paper changes in focal mechanisms, parameters of wave spectra, and stress drops for the MS=5.0 foreshock and MS=6.0 mainshock in February 2001 in Yajian
【机 构】
:
Seismological Bureau of Sichuan Province, Chengdu 610041, China,Seismological Bureau of Sichuan Prov
【出 处】
:
Acta Seismologica Sinica(English Edition)