| 青海昆仑山口西8.1级地震前的尾波持续时间和地震频次 |
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| 引用本文： | 都昌庭.青海昆仑山口西8.1级地震前的尾波持续时间和地震频次[J].山西地震,2003(2):29-31,36. |
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| 作者姓名： | 都昌庭 |
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| 作者单位： | 青海省地震局,青海,西宁,810001 |
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| 摘 要： | 2001年11月14日青海省昆仑山口西发生了8.1级大地震，震后，分析了青海省大武地震台尾波持续时间、门源地震台记录的地震频次，发现昆仑山口西8.1级地震前大武地震台的尾波持续时间明显存在低值异常、门源地震台观测到的地震频次出现了高值异常。得出青海昆仑山口西8.1级地震前有地震月频次高值异常，地震发生在尾波低值异常期的结论。
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| 关 键 词： | 青海 地震频次 昆仑山口西8．1级地震 2001年 地震记录 |
| 文章编号： | 1000-6265(2003)02-29-03 |
The Coda Duration and the Seismic Frequency before M8.1 Earthquake of West of Kunlun Pass in Qinghai |
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| Du Chang,ting.The Coda Duration and the Seismic Frequency before M8.1 Earthquake of West of Kunlun Pass in Qinghai[J].Earthquake Research in Shanxi,2003(2):29-31,36. |
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| Authors: | Du Chang ting |
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| Abstract: | A large earthquake with M8 1 occurred at the west of Kunlun pass in Qinghai on November 14,2001.After the earthquake,the analysis shows that the low value anomaly of the coda duration of Dawu station appeared,and the high value anomaly of the seismic frequency of Menyuan station before the earthquake.So,the conclusion is obtained that the high value anomaly of the monthly seismic frequence appeared before the M8 1 earthquake,and the M8 1 earthquake occurred in the anomalous time of low coda. |
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| Keywords: | Coda wave Seismic frequency Earthquake of west of Kunlun pass |
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