| 兴海6．6级地震前后地震波的变化 |
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| 引用本文： | 都昌庭,徐兰芬,等.兴海6．6级地震前后地震波的变化[J].高原地震,2001,13(1):38-44. |
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| 作者姓名： | 都昌庭 徐兰芬 等 |
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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： | 2000年9月12日在青海省海南州兴海县西南发生了6．6级地震。震后发现，青海省6个专业台站的地震波速比在震前出现了下降－低值－发震的过程。波速比空间分布在兴海地震前形成了一个椭圆形的异常分布区，异常波速比的地震占总地震的73％。另外，在武台的尾波持续时间在兴海地震前显示出了较为完整的异常过程。
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| 关 键 词： | 兴海地震 波速比 尾波持续时间 震源机制解 |
VARIATION OF SEISMIC WAVE BEFORE AND AFTER XINGHAI EARTHQUAKE WITH Ms 6.6 |
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| WTHZDU Chang-ting,XU Lan-fen,ZHAO Yong-hai WTBX.VARIATION OF SEISMIC WAVE BEFORE AND AFTER XINGHAI EARTHQUAKE WITH Ms 6.6[J].Plateau Earthquake Research,2001,13(1):38-44. |
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| Authors: | WTHZ]DU Chang-ting XU Lan-fen ZHAO Yong-hai [WTBX] |
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| Institution: | WT5HZ]DU Chang-ting,XU Lan-fen,ZHAO Yong-hai [WT5BX] |
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| Abstract: | WT5BZ]There occurred an earthquake with M s6.6 in Xinghai county in Qinghai province on Sept. 12,2000.The authors have found that V P/V S was in a drop-low-occur process in six professional stations before the earthquake.Spatial distribution of V P/V S formed an ellipse area,and the earthquakes of anomaly V P/V S were 73% of the total.The coda wave duration of Dawu was a complete anomaly process before the event. |
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| Keywords: | Xinghai earthquake V P/V S Coda wave duration |
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