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  1. No Access

    Article

    Inversion for negative dislocation on elastic block boundaries in the northeastern margin of Qinghai-**zang block and prediction for strong earthquake location

    On the basis of the velocity field results of horizontal crustal movement obtained from GPS measurements during the periods of 1993–1999, 1999–2001 and 2001–2003 in the northeastern margin of Qinghai-**zang bl...

    ** Zhang, Zai-sen Jiang, Qi Wang, Shuang-xu Wang, Dui-xin Cui… in Acta Seismologica Sinica (2005)

  2. No Access

    Article

    Aseismic negative dislocation model and deformation analysis of crustal horizontal movement during 1999–2001 in the northeast margin of Qinghai-**zang block

    Through numerical simulation for GPS data, aseismic negative dislocation model for crustal horizontal movement during 1999–2001 in the northeast margin of Qinghai-**zang block is presented, combined with the s...

    ** Zhang, Zai-sen Jiang, Qi Wang, Shuang-xu Wang… in Acta Seismologica Sinica (2003)

  3. No Access

    Article

    Gravity variation before Kunlun mountain pass western M S=8.1 earthquake

    The relation between the gravity variation features and M S=8.1 earthquake in Qinghai-**zang monitoring area is analyzed preliminarily, by using spatial dynamic variation results of regional gravi...

    Yi-qing Zhu, Shuang-xu Wang, Zai-sen Jiang, Gui-zhi Zhu, Hui Li… in Acta Seismologica Sinica (2003)

  4. No Access

    Article

    Current tectonic deformation and seismogenic characteristics along the northeast margin of Qinghai-**zang block

    Based on the data from repeated precise leveling and across-fault deformation measurements carried out in recent 30 years and the analyzed results from GPS observations made in recent years along the northeast...

    Shuang-xu Wang, Zai-sen Jiang, ** Zhang, Wen-sheng Chen in Acta Seismologica Sinica (2002)

  5. No Access

    Article

    Fault deformation anomaly and intermediate and short-term prediction of the **gtai M s=5.9 earthquake

    The time-space distribution characteristics of fault deformation anomaly in the near-source region and its outlying zone in the seismogenic process of the **gtai M s=5.9 earthquake occurred on Ju...

    Shuang-xu Wang, Zai-sen Jiang, Wen-sheng Chen, ** Zhang… in Acta Seismologica Sinica (2001)

  6. No Access

    Article

    Study on scale dependence of strain value obtained from crustal deformation data

    Using statistic analysis, the scale dependence of crustal strain value from crustal deformation data is studied. We found that there exists obvious correlation between strain value and computational figure sca...

    Zai-sen Jiang, ** Zhang, Wen-sheng Chen, Shuang-xu Wang in Acta Seismologica Sinica (2000)

  7. No Access

    Article

    Dynamic pattern characteristics of fault deformation and gravity field in the development process of Yongdeng M S=5.8 earthquake

    In this paper, the fault deformation abnormality, dynamic evolution features of gravity and vertical deformation field in the seismogenic process of the Yongdeng, Gansu Province earthquake on July 22, 1995 are...

    Zai-Sen Jiang, Yi-Qing Zhu, Qing-Liang Wang, Shuang-Xu Wang… in Acta Seismologica Sinica (1998)

  8. No Access

    Article

    The research on relationship between wavelet transform on vertical deformation and moderate earthquakes in hexi region, Gansu Province

    In this paper, the possibility of wavelet transform applied to compute the vertical deformation is discussed. Both two dimension plane equation of wavelet transform and B-wavelet based on basic spline function ar...

    Yong-Zhi Zhang, Shuang-Xu Wang in Acta Seismologica Sinica (1998)