机译:1977年双震震中区域的持续地震活动,Sierra de Pie de Palo,圣胡安,阿根廷
Univ Nacl San Juan||Inst Nacl Prevent Sism;
Univ San Juan||Univ Nacl San Juan||Inst Nacl Prevent Sism;
Univ San Juan||Univ Nacl San Juan;
Shallow earthquakes; Sierra de Pie de Palo; 1977 hypocentral region; Focal mechanism;