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琼中地震台计算震级与中国地震台网中心测算震级差异的探讨
Discussion about the deviation of measured magnitude of earthquake between the earthquake report of Qiongzhong Seismic Station and that of China Earthquake Networks Center
- DOI:
- 作者:
- 刘阳 周玲 周雯 王赵清 陈祥开 常振宇
- 作者单位:
- 中国海口 570203 海南省地震局
- 关键词:
- 速报；震级；差异
timely prediction, magnitude of earthquake, deviation
- 摘要:
- 震级是大震速报中最重要的参数之一，震级差异的大小直接影响到资料的使用及台站的速报质量。本文根据琼中地震台近8年的记录资料中260例地震进行精确分析，与中国地震台网中心所发布的地震震级进行对比，对震级差异形成的原因进行探讨，初步得出琼中地震台的震级校正值，有利于提高琼中地震台速报地震震级的准确性。
The magnitude of earthquake is one of the most primary parameters in earthquake prediction. The usage and quality of timely prediction are directly affected by its deviation. Based on digital data of 154 earthquakes recorded in Qiongzhong Seismic Station for 8 years, the factors causing magnitude deviation are analyzed by comparing with published by China Earthquake Networks Center and adjusting value is obtained for improving precision of earthquake magnitude in Qiongzhong Seismic Station.
