....从震源机制解来看,尽管多数较强余震显示出逆冲的性质,但在断裂带的北部余震仍有一部分显示出明显的走滑性质.震源机制解显示北川-映秀断裂(BYF)的南部发生的余震主要为逆冲型地震,和主震的滑移状态一致;在BYF断层的北部余震同样以逆冲状态为主,这和主震在该区域的破裂性质有...
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形成于中晚元古代的彭灌杂岩体构造侵位于映秀断裂和茂汶断裂之间。
Pengguan complex formed in Meso-and Neoproterozoic was at tectonic emplacement between the Yinxiu fault and the Maowen fault.
形成于中——晚元古代的彭灌杂岩体构造侵位于映秀断裂和茂汶断裂之间。
Pengguan complex formed in Meso-and Neoproterozoic was in tectonic emplacement between the Yinxiu fault and the Maowen fault.
汶川地震; 映秀-北川断裂; 活动分段特征; 地震震级; 强震复发周期;
Wenchuan earthquake; Yingxiu-Beichuan fault; activity segmentation; assessment of earthquake magnitude; recurrence interval of strong earthquake;
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