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地震 ›› 1999, Vol. 19 ›› Issue (2): 142-148.

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怀来台震前超低频电场与地震关系研究①

关华平1), 张宏魁2), 鲁跃2), 余素荣1), 陈智勇3)   

  1. 1)中国北京 100036 中国地震局分析预报中心;
    2)中国北京 100039 北京市地震局;
    3)中国河北 102800 廊坊市地震局
  • 收稿日期:1998-04-27 修回日期:1998-05-27 出版日期:1999-04-30 发布日期:2022-09-19
  • 作者简介:关华平,男, 1943年 10月出生,副研究员,主要从事地震预报研究工作。
  • 基金资助:
    ①中国地震局“九五”科研攻关项目(95-01-05-01-04),地震科学联合基金会资助项目 (95039)

STUDY OF ELECTROMAGNETIC RADIATION MEASURED AT HUAILAI STATION HEBEI PROVINCE AND ITS CORRELATION TO EARTHQUAKE

Guan Huaping1), Zhang Hongkui2), Lu Yue2), Yu Surong1), Chen Zhiyong3)   

  1. 1)Center for Analysis and Prediction, CSB, Beijing 100036, China;
    2)Seismological Bureau of Beijing Municipality, Beijing, 100039, China;
    3)Seismological Bureau of Langfang City, Langfang 065000, China
  • Received:1998-04-27 Revised:1998-05-27 Online:1999-04-30 Published:2022-09-19

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摘要： 用河北省怀来电磁辐射观测台连续 11年观测资料,分析了张北 -尚义 6. 2级地震前超低频电场资料的变化,研究了 300 km范围内 Ms 5. 0以上地震和 200 km 范围内 Ms 4. 0以上地震前记录的超低频电场的变化。 结果表明,异常信息量、异常起始时间及持续时间与震中距、震级有关,异常信息在地震发生前达最大值。

关键词: 电磁辐射, 异常, 震中距, 超低频电场

Abstract: Ultra-low frequency EM radiation continuously recorded data for 11 years at Huailai station, Hebei Province are analyzed. The anomalous changeprior to Zhangbei-Shang yi earthquake (Ms 6.2), and those prior to earthquakes with Ms≥ 5. 0, with an epicentral dis-tance of less than 300 km are studied. The result shows that the amount of the anomalous change, the starting time and duration, have close relation to the epicentral distance and magnitude of an earthquake. The anomalous change reaches the maximum value prior to earthquakes.

Key words: Electromagnetic radiation, Anomaly, Epicentral distance, Ultra-low frequency electric field