研究历史地震事件是认识地震活动规律、分析发震构造的重要途径之一。1568年5月25日(隆庆二年四月十九日申时),在西安东北高陵地区发生一次强烈地震,造成各类建筑物倒塌毁坏"尽如平地","人畜伤亡甚众"。此前的地震...研究历史地震事件是认识地震活动规律、分析发震构造的重要途径之一。1568年5月25日(隆庆二年四月十九日申时),在西安东北高陵地区发生一次强烈地震,造成各类建筑物倒塌毁坏"尽如平地","人畜伤亡甚众"。此前的地震目录将这次地震命名为陕西西安东北地震,震级为6级,极震区烈度为Ⅸ。文中通过对历史地震资料的再考证及野外调查,认为该次地震的极震区位于在泾河以北的泾阳县东南的永乐镇、高庄镇北部至高陵县及其东南姬家乡、张卜乡一带,并命名为陕西高陵地震,烈度为Ⅸ+(Ⅸ~Ⅹ)度,估算其震级可达7级。同时,对震害进行了细致分析并重绘制了该地震的等震线图,得到其极震区的位置,同时发现其等震线长轴为NWW向,与渭南-泾阳断裂相吻合。该断裂为全新世活动正断层,沿断裂地貌保留了部分断错阶地陡坎,断层剖面中可见砂土液化、张性构造裂缝等新活动遗迹,最晚活动时间为(180±30) a BP至(1 600±30) a BP之间。文中分析认为1568年陕西高陵7级地震的发震构造为渭南-泾阳断裂,该断裂与渭南塬前断裂、华山山前断裂共同构成渭河盆地东南缘的重要边界活动断裂带。展开更多
The Qin tombs in Yi’er company is situated in Gaoling county of Shaanxi province and on the left bank of Weishui River From Mar to Nov,2002,Yangling Archaeology team,organiszed by Shaanxi Archaeology Institute,excava...The Qin tombs in Yi’er company is situated in Gaoling county of Shaanxi province and on the left bank of Weishui River From Mar to Nov,2002,Yangling Archaeology team,organiszed by Shaanxi Archaeology Institute,excavated the cemetery The 51 Qin tombs can be categorized into 3 types Type A,amount to 13 are rectangular pits,Type B, add up to 33, are rectangular pits with second-platform,Type C,only 5,are the cave-chamber tombs The excavetion finds out 205 relics of pottery bronze, iron, jade and mud Its time is from the early to the later of the Warring State Periods size of Yi’er cemetery may be a "cens cemetery"-a cemetery of common people The find of Yi’er cemetery is useful to establish the time when Qin people migrate eastwards and also supply precise materials for the research of the development of Qin tombs and Qin culture at the middle Guanzhong Region The mud relics is common at Yi’er cemetery It is important to learn about the development of sculpture from the Warring State Periods to Qin展开更多
文摘研究历史地震事件是认识地震活动规律、分析发震构造的重要途径之一。1568年5月25日(隆庆二年四月十九日申时),在西安东北高陵地区发生一次强烈地震,造成各类建筑物倒塌毁坏"尽如平地","人畜伤亡甚众"。此前的地震目录将这次地震命名为陕西西安东北地震,震级为6级,极震区烈度为Ⅸ。文中通过对历史地震资料的再考证及野外调查,认为该次地震的极震区位于在泾河以北的泾阳县东南的永乐镇、高庄镇北部至高陵县及其东南姬家乡、张卜乡一带,并命名为陕西高陵地震,烈度为Ⅸ+(Ⅸ~Ⅹ)度,估算其震级可达7级。同时,对震害进行了细致分析并重绘制了该地震的等震线图,得到其极震区的位置,同时发现其等震线长轴为NWW向,与渭南-泾阳断裂相吻合。该断裂为全新世活动正断层,沿断裂地貌保留了部分断错阶地陡坎,断层剖面中可见砂土液化、张性构造裂缝等新活动遗迹,最晚活动时间为(180±30) a BP至(1 600±30) a BP之间。文中分析认为1568年陕西高陵7级地震的发震构造为渭南-泾阳断裂,该断裂与渭南塬前断裂、华山山前断裂共同构成渭河盆地东南缘的重要边界活动断裂带。
文摘The Qin tombs in Yi’er company is situated in Gaoling county of Shaanxi province and on the left bank of Weishui River From Mar to Nov,2002,Yangling Archaeology team,organiszed by Shaanxi Archaeology Institute,excavated the cemetery The 51 Qin tombs can be categorized into 3 types Type A,amount to 13 are rectangular pits,Type B, add up to 33, are rectangular pits with second-platform,Type C,only 5,are the cave-chamber tombs The excavetion finds out 205 relics of pottery bronze, iron, jade and mud Its time is from the early to the later of the Warring State Periods size of Yi’er cemetery may be a "cens cemetery"-a cemetery of common people The find of Yi’er cemetery is useful to establish the time when Qin people migrate eastwards and also supply precise materials for the research of the development of Qin tombs and Qin culture at the middle Guanzhong Region The mud relics is common at Yi’er cemetery It is important to learn about the development of sculpture from the Warring State Periods to Qin