ZHANG Ling, ZHU Jian-ya, XU Ping, HE Jun, LIU Yuan-sheng. CHARACTERISTICS OF EARTHQUAKE ACTIVITY IN QINGDAO AND ITS ADJACENT REGION[J]. North China Earthquake Sciences, 2007, 25(2): 33-35.
Citation: ZHANG Ling, ZHU Jian-ya, XU Ping, HE Jun, LIU Yuan-sheng. CHARACTERISTICS OF EARTHQUAKE ACTIVITY IN QINGDAO AND ITS ADJACENT REGION[J]. North China Earthquake Sciences, 2007, 25(2): 33-35.

CHARACTERISTICS OF EARTHQUAKE ACTIVITY IN QINGDAO AND ITS ADJACENT REGION

  • The seismogeological background and seismic activity in Qingdao and its adjacent area are analyzed.Combined the focal mechanism of small earthquakes in the region, the relation between time sequence variation of P and T axes and earthquake activities in adjacent area is studied.The results show that the occurrence of strong earthquakes can cause the variation of P and T axis direction.The variation of P and T axes is synchronous, but the magnitude of P axis change is more obvious.
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