南北地震带地震活动特征
采用数理统计方法探讨了780 BC至今、100°—110°E、22°—35°N（中国南北地震带）区域的中国大陆5.0级及以上天然地震的分布规律。通过GMT软件绘制了南北地震带上地震震中和断裂分布图像，分析了南北地震带地震时空分布与地震活动性的规律。研究表明，该地区的大震与强震几乎全部发生在断裂带上，地震频次高、震中密集，呈现集群性等特征，地震活动性较高。该地震带中、南段相似，与北段存在显著差异。在南北地震带上，地震的活跃幕与平静幕持续时间，与活跃幕强度有关。研究结果对于了解地震的时空分布特征，认识中国南北地震带的发震规律，地震的孕震发震和地震活动周期有参考意义。...
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| Published in | 地震科学进展 Vol. 49; no. 7; p. 2 |
|---|---|
| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Chinese English |
| Published |
Beijing
Editorial Office of Progress in Earthquake Sciences
01.01.2019
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| Subjects | |
| Online Access | Get full text |
| ISSN | 2096-7780 |
| DOI | 10.3969/j.issn.0253-4975.2019.07.002 |
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| Abstract | 采用数理统计方法探讨了780 BC至今、100°—110°E、22°—35°N（中国南北地震带）区域的中国大陆5.0级及以上天然地震的分布规律。通过GMT软件绘制了南北地震带上地震震中和断裂分布图像，分析了南北地震带地震时空分布与地震活动性的规律。研究表明，该地区的大震与强震几乎全部发生在断裂带上，地震频次高、震中密集，呈现集群性等特征，地震活动性较高。该地震带中、南段相似，与北段存在显著差异。在南北地震带上，地震的活跃幕与平静幕持续时间，与活跃幕强度有关。研究结果对于了解地震的时空分布特征，认识中国南北地震带的发震规律，地震的孕震发震和地震活动周期有参考意义。 |
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| AbstractList | 采用数理统计方法探讨了780 BC至今、100°—110°E、22°—35°N（中国南北地震带）区域的中国大陆5.0级及以上天然地震的分布规律。通过GMT软件绘制了南北地震带上地震震中和断裂分布图像，分析了南北地震带地震时空分布与地震活动性的规律。研究表明，该地区的大震与强震几乎全部发生在断裂带上，地震频次高、震中密集，呈现集群性等特征，地震活动性较高。该地震带中、南段相似，与北段存在显著差异。在南北地震带上，地震的活跃幕与平静幕持续时间，与活跃幕强度有关。研究结果对于了解地震的时空分布特征，认识中国南北地震带的发震规律，地震的孕震发震和地震活动周期有参考意义。 |
| Author | 于恒达 唐新功 杨士达 胡家文 况春利 任子钧 |
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| SubjectTerms | Earthquakes Seismic activity Seismic zones Spatial distribution |
| Title | 南北地震带地震活动特征 |
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