| 1976年唐山地震前的中源地震前兆研究 |
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| 引用本文： | 邹立晔,王兴梅.1976年唐山地震前的中源地震前兆研究[J].地震地磁观测与研究,2009,30(1):24-29. |
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| 作者姓名： | 邹立晔 王兴梅 |
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| 作者单位： | 中国北京,100045,中国地震台网中心 |
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| 摘 要： | 研究了唐山地震发生前的12年以上h≥33．1km地震的活动特征，得知唐山地震前确实存在中源地震前兆MDE；其最主要的特点是：大地震发生前几年，发生多次h≥60km的中源地震，特别是100km左右或大于100km的中源地震，是可能发生板内大地震的前兆信号。文中还研究了唐山MDE的一些具体特征。
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| 关 键 词： | 中源地震前兆 MDE前兆 地震预报 唐山地震 地震活动性 |
Precursor research of medium-depth earthquake (MDE) before Tangshan earthquake in 1976 |
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| Zou Liye,Wang Xingmei.Precursor research of medium-depth earthquake (MDE) before Tangshan earthquake in 1976[J].Seismological and Geomagnetic Observation and Research,2009,30(1):24-29. |
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| Authors: | Zou Liye Wang Xingmei |
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| Institution: | Zou Liye and Wang Xingmei (China Earthquake Networks Center, Beijing 100045, China) |
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| Abstract: | In this paper, the activity of the earthquakes with h≥33.1 km 12 years before Tangshan earthquake is studied. And obtains the conclusion is that there is indeed the medium-depth earthquake precursor MDE. The most major character is that medium-depth earthquakes with h≥60 km occurred several years before a large inner-plate earthquake; especially the earthquakes, whose depths are about 100 km or deeper than 100 km, are precursor signals of a large earthquake. Some characters of the Tangshan MDE are also studied in this paper. |
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| Keywords: | edium-depth earthquake precursor MDE precursor earthquake prediction Tangshan earthquake seismicity |
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