| 甘06井水位潮汐参数的震前中期异常 |
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| 引用本文： | 唐九安,白亚平.甘06井水位潮汐参数的震前中期异常[J].地震,1993(6):21-28. |
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| 作者姓名： | 唐九安 白亚平 |
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| 作者单位： | 兰州地震研究所
(唐九安，白亚平，杨淑英)，兰州地震研究所(周菊芳) |
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| 摘 要： | 本文介绍了甘０６井１９８６－１９９１年期间潮汐参数的计算结果，分析了该井水位和潮汐参数在共和、景泰地震前的中期异常显示。结果表明，该井下水位月均值及其差分值于１９８９年２月至１９９０年２月期间明显异常，自１９８９年起，该井的潮汐因子有明显增大趋势，测井所在区域的构造应力场也明显增强。
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| 关 键 词： | 井水位 潮汐参数 地震 地震前兆 |
PRE-EARTHQUAKE MEDIUM-TERM ANOMALY OF THE TIDE PARAMETERS OF WATER LEVEL IN CAN 06 WELL |
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| Tang Jiuan Bai YapingYang Shuying Zhou Jufang.PRE-EARTHQUAKE MEDIUM-TERM ANOMALY OF THE TIDE PARAMETERS OF WATER LEVEL IN CAN 06 WELL[J].Earthquake,1993(6):21-28. |
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| Authors: | Tang Jiuan Bai YapingYang Shuying Zhou Jufang |
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| Abstract: | In this paper, the results of harmonic analysis of water level in Gan 6 well from 1986 to 1991 are introduced, the medium-term anomaly of the water level and the tide parameters in the well before the Gonghe earthquake (Ms = 6, Sept. 26, 1990, Qinghai Province) and the Jingtai earthquake (Ms = 6, Oct. 20, 1990, Gansu Province) have been studied. The results show that anomaly of the water level and its differential value of the well from February, 1989 to February, 1990 is obvious. Since 1989, the tide factor of the water level and the regional tectonic stress field near the Gan 6. well has been clearly enhanced. |
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| Keywords: | tide parameters of water level Nakai's detection harmonic analy- sis Gonghe Jingtai earthquake Pre-earthquake medium-term anomaly |
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