| 陕西石泉2003年4月24日ML4.9地震及其烈度衰减 |
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| 引用本文： | 冯希杰,杜文和,袁志祥,韩恒悦,米丰收,范增节,任隽.陕西石泉2003年4月24日ML4.9地震及其烈度衰减[J].西北地震学报,2004,26(4):365-367. |
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| 作者姓名： | 冯希杰 杜文和 袁志祥 韩恒悦 米丰收 范增节 任隽 |
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| 作者单位： | 陕西省地震局,陕西,西安,710068 |
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| 摘 要： | 石泉ML4.9地震为典型的主震余震型。宏观震中位于石泉县中池乡清泥涧一带,处在栗子坝—迎丰—铁佛寺断裂之上,地震等烈度线长轴方向为NW300°,和该断裂的展布方向一致。但本次地震的最大震动速度沿南北方向比东西方向衰减要慢,与烈度等震线所反映的衰减不一致。
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| 关 键 词： | 石泉ML4．9地震 烈度衰减 最大震动速度 |
| 文章编号： | 1000-0844(2004)04-0365-03 |
| 收稿时间： | 2003/6/30 0:00:00 |
| 修稿时间： | 2003年6月30日 |
SHIQUAN ML4.9 EARTHQUAKE IN SHAANXI PROVINCE ON APRIL 24, 2003, AND ITS INTENSITY ATTENUATION |
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| FENG Xi-jie,DU Wen-he,YUAN Zhi-xiang,HAN Heng-yue,MI Feng-shou,FAN Zeng-jie and REN Juan.SHIQUAN ML4.9 EARTHQUAKE IN SHAANXI PROVINCE ON APRIL 24, 2003, AND ITS INTENSITY ATTENUATION[J].Northwestern Seismological Journal,2004,26(4):365-367. |
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| Authors: | FENG Xi-jie DU Wen-he YUAN Zhi-xiang HAN Heng-yue MI Feng-shou FAN Zeng-jie and REN Juan |
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| Institution: | Seismological Bureau of Shaanxi Province, xi''an 710068, China,Seismological Bureau of Shaanxi Province, xi''an 710068, China,Seismological Bureau of Shaanxi Province, xi''an 710068, China,Seismological Bureau of Shaanxi Province, xi''an 710068, China,Seismological Bureau of Shaanxi Province, xi''an 710068, China,Seismological Bureau of Shaanxi Province, xi''an 710068, China and Seismological Bureau of Shaanxi Province, xi''an 710068, China |
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| Abstract: | Shiquan M_L4.9 earthquake on April 24,2003,Shaanxi province,is a typical mainshock-aftershock sequence. The macro epicenter is at Qingnijian, Zhongchixiang,Shiquan County.The meizoseismal region is just on the Liziba-Yingfeng-Tiefosi fault and its long-axis is nearly identical with the fault extended direction. But the attenuation of its biggest velocity of vibration is slower in NS direction than in EW direction, not comforms to the attenuation of intensity isolines. |
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| Keywords: | Shiquan M_L 4 9 earthquake Intensity attenuation Biggest velocity of vibration |
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