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地震 ›› 2002, Vol. 22 ›› Issue (1): 111-114.

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数字化体应变仪观测值突跳的分析

王梅, 曲同磊, 孔向阳   

  1. 山东省地震局,济南 250014
  • 收稿日期:2001-04-17 修回日期:2001-06-07 出版日期:2002-01-31 发布日期:2021-12-21
  • 作者简介:王梅(1967-),女,山东省青岛人,工程师,主要从事地壳形变分析及预报研究。
  • 基金资助:
    山东省地震局科研合同制项目(2001); 山东省自然科学基金(Y2000E08)

The analysis of the sudden jump of the datarecorded by the digital body-strain meter

WANG Mei, QU Tong-lei, KONG Xiang-yang   

  1. Seismological Bureau of Sh and ong Province, Jinan 250014, China
  • Received:2001-04-17 Revised:2001-06-07 Online:2002-01-31 Published:2021-12-21

摘要: 山东长清台数字化体应变仪观测曲线自1999年以来出现几次形态类似的大幅度突跳,为正确认识这类现象,在长清台做了交直流切换对观测值影响试验,并对水位、气压资料进行综合分析。研究结果表明,水位、气压、电源切换等因素不会引起体应变仪观测曲线的突跳。对比其他类似观测分析推测,这类突跳可能与“慢地震”事件或“岩孔崩落”现象有关。

关键词: 数字化, 体应变, 突跳, 慢地震, 岩孔崩落

Abstract: The observed data of the body-strain meterat Changqing Station in Sh and ong Province, occurred several times of similar sudden jump with large am plitude. Inorder torecognize the phenomena, we conducted a test about the switchover of the alternating cur-rent and direct current, and analyzed synthetically the data of the water level, and atmo-spheric pressure. The results show that all the water level, theatmospheric pressure and the switch of the power supply cannot cause the sudden jump of the observed data. Com-pared with other similar observations, we consider that such jump may be related with the "slow earthquake " eventsor the "bore-hole collapsing ".

Key words: Digital, Body-strain, Sudden jump, Slow earthquake, Bore-hole collapsing

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