宁夏地震窗开窗指标及其预测效能检验

Seismic Windowing Index and Its Prediction Efficiency Test of Ningxia

本文应用传统地震学图像方法系统地研究了宁夏3个地震窗口,银川窗、同心窗和固原窗的开窗指标、异常特征、预测效能检验及其地震窗与中强以上地震对应关系。建议在日常会商跟踪异常工作中,同心地震窗在实际预测中应用效果较好,应重点考虑;银川地震窗效果一般,需跟踪分析;固原地震窗效果差,只作参考。

In this paper, the traditional seismological image method is used to systematically study the win-dowing index, anomaly characteristics, prediction efficiency test and the corresponding relation-ship between the Windows and the earthquakes above the medium-strong in Ningxia. It is sug-gested that Tongxin seismic window has a good application effect in practical prediction in daily consultation and tracking abnormal work. Yinchuan seismic window effect is general, tracking analysis;Guyuan seismic window effect is poor, only for reference.